ia64/xen-unstable

changeset 4112:db5a30a327e6

bitkeeper revision 1.1236.25.8 (4233549cSYOSn-8TjPjFtQTvJB0ECA)

Update to Linux 2.6.11.
Signed-off-by: Christian Limpach <chris@xensource.com>
author cl349@firebug.cl.cam.ac.uk
date Sat Mar 12 20:44:12 2005 +0000 (2005-03-12)
parents c7af9ee33283 1b23a3ae5792
children 1d420c415398
files .rootkeys linux-2.4.29-xen-sparse/include/asm-xen/pgtable-2level.h linux-2.6.10-xen-sparse/arch/xen/Kconfig linux-2.6.10-xen-sparse/arch/xen/Kconfig.drivers linux-2.6.10-xen-sparse/arch/xen/Makefile linux-2.6.10-xen-sparse/arch/xen/boot/Makefile linux-2.6.10-xen-sparse/arch/xen/configs/xen0_defconfig linux-2.6.10-xen-sparse/arch/xen/configs/xenU_defconfig linux-2.6.10-xen-sparse/arch/xen/i386/Kconfig linux-2.6.10-xen-sparse/arch/xen/i386/Makefile linux-2.6.10-xen-sparse/arch/xen/i386/kernel/Makefile linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/Makefile linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/common.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/mtrr/Makefile linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/mtrr/main.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/entry.S linux-2.6.10-xen-sparse/arch/xen/i386/kernel/head.S linux-2.6.10-xen-sparse/arch/xen/i386/kernel/i386_ksyms.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/ioport.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/ldt.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/microcode.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/pci-dma.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/process.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/setup.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/signal.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/time.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/timers/Makefile linux-2.6.10-xen-sparse/arch/xen/i386/kernel/timers/timer_tsc.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/traps.c linux-2.6.10-xen-sparse/arch/xen/i386/kernel/vsyscall.S linux-2.6.10-xen-sparse/arch/xen/i386/kernel/vsyscall.lds linux-2.6.10-xen-sparse/arch/xen/i386/mm/Makefile linux-2.6.10-xen-sparse/arch/xen/i386/mm/fault.c linux-2.6.10-xen-sparse/arch/xen/i386/mm/highmem.c linux-2.6.10-xen-sparse/arch/xen/i386/mm/hypervisor.c linux-2.6.10-xen-sparse/arch/xen/i386/mm/init.c linux-2.6.10-xen-sparse/arch/xen/i386/mm/ioremap.c linux-2.6.10-xen-sparse/arch/xen/i386/mm/pageattr.c linux-2.6.10-xen-sparse/arch/xen/i386/mm/pgtable.c linux-2.6.10-xen-sparse/arch/xen/i386/pci/Makefile linux-2.6.10-xen-sparse/arch/xen/i386/pci/direct.c linux-2.6.10-xen-sparse/arch/xen/i386/pci/irq.c linux-2.6.10-xen-sparse/arch/xen/kernel/Makefile linux-2.6.10-xen-sparse/arch/xen/kernel/ctrl_if.c linux-2.6.10-xen-sparse/arch/xen/kernel/devmem.c linux-2.6.10-xen-sparse/arch/xen/kernel/evtchn.c linux-2.6.10-xen-sparse/arch/xen/kernel/fixup.c linux-2.6.10-xen-sparse/arch/xen/kernel/gnttab.c linux-2.6.10-xen-sparse/arch/xen/kernel/reboot.c linux-2.6.10-xen-sparse/arch/xen/kernel/skbuff.c linux-2.6.10-xen-sparse/arch/xen/kernel/xen_proc.c linux-2.6.10-xen-sparse/drivers/Makefile linux-2.6.10-xen-sparse/drivers/char/mem.c linux-2.6.10-xen-sparse/drivers/char/tty_io.c linux-2.6.10-xen-sparse/drivers/xen/Makefile linux-2.6.10-xen-sparse/drivers/xen/balloon/Makefile linux-2.6.10-xen-sparse/drivers/xen/balloon/balloon.c linux-2.6.10-xen-sparse/drivers/xen/blkback/Makefile linux-2.6.10-xen-sparse/drivers/xen/blkback/blkback.c linux-2.6.10-xen-sparse/drivers/xen/blkback/common.h linux-2.6.10-xen-sparse/drivers/xen/blkback/control.c linux-2.6.10-xen-sparse/drivers/xen/blkback/interface.c linux-2.6.10-xen-sparse/drivers/xen/blkback/vbd.c linux-2.6.10-xen-sparse/drivers/xen/blkfront/Kconfig linux-2.6.10-xen-sparse/drivers/xen/blkfront/Makefile linux-2.6.10-xen-sparse/drivers/xen/blkfront/blkfront.c linux-2.6.10-xen-sparse/drivers/xen/blkfront/block.h linux-2.6.10-xen-sparse/drivers/xen/blkfront/vbd.c linux-2.6.10-xen-sparse/drivers/xen/console/Makefile linux-2.6.10-xen-sparse/drivers/xen/console/console.c linux-2.6.10-xen-sparse/drivers/xen/evtchn/Makefile linux-2.6.10-xen-sparse/drivers/xen/evtchn/evtchn.c linux-2.6.10-xen-sparse/drivers/xen/netback/Makefile linux-2.6.10-xen-sparse/drivers/xen/netback/common.h linux-2.6.10-xen-sparse/drivers/xen/netback/control.c linux-2.6.10-xen-sparse/drivers/xen/netback/interface.c linux-2.6.10-xen-sparse/drivers/xen/netback/netback.c linux-2.6.10-xen-sparse/drivers/xen/netfront/Kconfig linux-2.6.10-xen-sparse/drivers/xen/netfront/Makefile linux-2.6.10-xen-sparse/drivers/xen/netfront/netfront.c linux-2.6.10-xen-sparse/drivers/xen/privcmd/Makefile linux-2.6.10-xen-sparse/drivers/xen/privcmd/privcmd.c linux-2.6.10-xen-sparse/include/asm-generic/pgtable.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/desc.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/dma-mapping.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/fixmap.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/floppy.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/highmem.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/io.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/mach-xen/irq_vectors.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/mach-xen/setup_arch_post.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/mach-xen/setup_arch_pre.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/mmu_context.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/page.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/param.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/pci.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/pgalloc.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/pgtable-2level-defs.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/pgtable-2level.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/pgtable.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/processor.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/ptrace.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/segment.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/setup.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/synch_bitops.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/system.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/tlbflush.h linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/vga.h linux-2.6.10-xen-sparse/include/asm-xen/balloon.h linux-2.6.10-xen-sparse/include/asm-xen/ctrl_if.h linux-2.6.10-xen-sparse/include/asm-xen/evtchn.h linux-2.6.10-xen-sparse/include/asm-xen/foreign_page.h linux-2.6.10-xen-sparse/include/asm-xen/gnttab.h linux-2.6.10-xen-sparse/include/asm-xen/hypervisor.h linux-2.6.10-xen-sparse/include/asm-xen/linux-public/privcmd.h linux-2.6.10-xen-sparse/include/asm-xen/linux-public/suspend.h linux-2.6.10-xen-sparse/include/asm-xen/multicall.h linux-2.6.10-xen-sparse/include/asm-xen/queues.h linux-2.6.10-xen-sparse/include/asm-xen/xen_proc.h linux-2.6.10-xen-sparse/include/linux/gfp.h linux-2.6.10-xen-sparse/include/linux/highmem.h linux-2.6.10-xen-sparse/include/linux/irq.h linux-2.6.10-xen-sparse/include/linux/skbuff.h linux-2.6.10-xen-sparse/kernel/irq/manage.c linux-2.6.10-xen-sparse/mkbuildtree linux-2.6.10-xen-sparse/mm/highmem.c linux-2.6.10-xen-sparse/mm/memory.c linux-2.6.10-xen-sparse/mm/page_alloc.c linux-2.6.10-xen-sparse/net/core/skbuff.c linux-2.6.11-xen-sparse/arch/xen/Kconfig linux-2.6.11-xen-sparse/arch/xen/Kconfig.drivers linux-2.6.11-xen-sparse/arch/xen/Makefile linux-2.6.11-xen-sparse/arch/xen/boot/Makefile linux-2.6.11-xen-sparse/arch/xen/configs/xen0_defconfig linux-2.6.11-xen-sparse/arch/xen/configs/xenU_defconfig linux-2.6.11-xen-sparse/arch/xen/i386/Kconfig linux-2.6.11-xen-sparse/arch/xen/i386/Makefile linux-2.6.11-xen-sparse/arch/xen/i386/kernel/Makefile linux-2.6.11-xen-sparse/arch/xen/i386/kernel/cpu/Makefile linux-2.6.11-xen-sparse/arch/xen/i386/kernel/cpu/common.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/cpu/mtrr/Makefile linux-2.6.11-xen-sparse/arch/xen/i386/kernel/cpu/mtrr/main.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/entry.S linux-2.6.11-xen-sparse/arch/xen/i386/kernel/head.S linux-2.6.11-xen-sparse/arch/xen/i386/kernel/i386_ksyms.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/ioport.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/ldt.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/microcode.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/pci-dma.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/process.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/setup.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/signal.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/time.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/timers/Makefile linux-2.6.11-xen-sparse/arch/xen/i386/kernel/timers/timer_tsc.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/traps.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/vsyscall.S linux-2.6.11-xen-sparse/arch/xen/i386/kernel/vsyscall.lds linux-2.6.11-xen-sparse/arch/xen/i386/mm/Makefile linux-2.6.11-xen-sparse/arch/xen/i386/mm/fault.c linux-2.6.11-xen-sparse/arch/xen/i386/mm/highmem.c linux-2.6.11-xen-sparse/arch/xen/i386/mm/hypervisor.c linux-2.6.11-xen-sparse/arch/xen/i386/mm/init.c linux-2.6.11-xen-sparse/arch/xen/i386/mm/ioremap.c linux-2.6.11-xen-sparse/arch/xen/i386/mm/pageattr.c linux-2.6.11-xen-sparse/arch/xen/i386/mm/pgtable.c linux-2.6.11-xen-sparse/arch/xen/i386/pci/Makefile linux-2.6.11-xen-sparse/arch/xen/i386/pci/direct.c linux-2.6.11-xen-sparse/arch/xen/i386/pci/irq.c linux-2.6.11-xen-sparse/arch/xen/kernel/Makefile linux-2.6.11-xen-sparse/arch/xen/kernel/ctrl_if.c linux-2.6.11-xen-sparse/arch/xen/kernel/devmem.c linux-2.6.11-xen-sparse/arch/xen/kernel/evtchn.c linux-2.6.11-xen-sparse/arch/xen/kernel/fixup.c linux-2.6.11-xen-sparse/arch/xen/kernel/gnttab.c linux-2.6.11-xen-sparse/arch/xen/kernel/reboot.c linux-2.6.11-xen-sparse/arch/xen/kernel/skbuff.c linux-2.6.11-xen-sparse/arch/xen/kernel/xen_proc.c linux-2.6.11-xen-sparse/drivers/Makefile linux-2.6.11-xen-sparse/drivers/char/mem.c linux-2.6.11-xen-sparse/drivers/char/tty_io.c linux-2.6.11-xen-sparse/drivers/xen/Makefile linux-2.6.11-xen-sparse/drivers/xen/balloon/Makefile linux-2.6.11-xen-sparse/drivers/xen/balloon/balloon.c linux-2.6.11-xen-sparse/drivers/xen/blkback/Makefile linux-2.6.11-xen-sparse/drivers/xen/blkback/blkback.c linux-2.6.11-xen-sparse/drivers/xen/blkback/common.h linux-2.6.11-xen-sparse/drivers/xen/blkback/control.c linux-2.6.11-xen-sparse/drivers/xen/blkback/interface.c linux-2.6.11-xen-sparse/drivers/xen/blkback/vbd.c linux-2.6.11-xen-sparse/drivers/xen/blkfront/Kconfig linux-2.6.11-xen-sparse/drivers/xen/blkfront/Makefile linux-2.6.11-xen-sparse/drivers/xen/blkfront/blkfront.c linux-2.6.11-xen-sparse/drivers/xen/blkfront/block.h linux-2.6.11-xen-sparse/drivers/xen/blkfront/vbd.c linux-2.6.11-xen-sparse/drivers/xen/console/Makefile linux-2.6.11-xen-sparse/drivers/xen/console/console.c linux-2.6.11-xen-sparse/drivers/xen/evtchn/Makefile linux-2.6.11-xen-sparse/drivers/xen/evtchn/evtchn.c linux-2.6.11-xen-sparse/drivers/xen/netback/Makefile linux-2.6.11-xen-sparse/drivers/xen/netback/common.h linux-2.6.11-xen-sparse/drivers/xen/netback/control.c linux-2.6.11-xen-sparse/drivers/xen/netback/interface.c linux-2.6.11-xen-sparse/drivers/xen/netback/netback.c linux-2.6.11-xen-sparse/drivers/xen/netfront/Kconfig linux-2.6.11-xen-sparse/drivers/xen/netfront/Makefile linux-2.6.11-xen-sparse/drivers/xen/netfront/netfront.c linux-2.6.11-xen-sparse/drivers/xen/privcmd/Makefile linux-2.6.11-xen-sparse/drivers/xen/privcmd/privcmd.c linux-2.6.11-xen-sparse/include/asm-generic/pgtable.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/desc.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/dma-mapping.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/fixmap.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/floppy.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/highmem.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/io.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/mach-xen/irq_vectors.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/mach-xen/setup_arch_post.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/mach-xen/setup_arch_pre.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/mmu_context.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/page.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/param.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/pci.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/pgalloc.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/pgtable-2level-defs.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/pgtable-2level.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/pgtable.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/processor.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/ptrace.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/segment.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/setup.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/synch_bitops.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/system.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/tlbflush.h linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/vga.h linux-2.6.11-xen-sparse/include/asm-xen/balloon.h linux-2.6.11-xen-sparse/include/asm-xen/ctrl_if.h linux-2.6.11-xen-sparse/include/asm-xen/evtchn.h linux-2.6.11-xen-sparse/include/asm-xen/foreign_page.h linux-2.6.11-xen-sparse/include/asm-xen/gnttab.h linux-2.6.11-xen-sparse/include/asm-xen/hypervisor.h linux-2.6.11-xen-sparse/include/asm-xen/linux-public/privcmd.h linux-2.6.11-xen-sparse/include/asm-xen/linux-public/suspend.h linux-2.6.11-xen-sparse/include/asm-xen/multicall.h linux-2.6.11-xen-sparse/include/asm-xen/queues.h linux-2.6.11-xen-sparse/include/asm-xen/xen_proc.h linux-2.6.11-xen-sparse/include/linux/gfp.h linux-2.6.11-xen-sparse/include/linux/highmem.h linux-2.6.11-xen-sparse/include/linux/irq.h linux-2.6.11-xen-sparse/kernel/irq/manage.c linux-2.6.11-xen-sparse/mkbuildtree linux-2.6.11-xen-sparse/mm/highmem.c linux-2.6.11-xen-sparse/mm/memory.c linux-2.6.11-xen-sparse/mm/page_alloc.c patches/linux-2.6.10/agpgart.patch patches/linux-2.6.11/agpgart.patch
line diff
     1.1 --- a/.rootkeys	Sat Mar 12 14:48:18 2005 +0000
     1.2 +++ b/.rootkeys	Sat Mar 12 20:44:12 2005 +0000
     1.3 @@ -134,151 +134,149 @@ 409ba2e7akOFqQUg6Qyg2s28xcXiMg linux-2.4
     1.4  3e5a4e683HKVU-sxtagrDasRB8eBVw linux-2.4.29-xen-sparse/mm/swapfile.c
     1.5  41180721bNns9Na7w1nJ0ZVt8bhUNA linux-2.4.29-xen-sparse/mm/vmalloc.c
     1.6  41505c57WAd5l1rlfCLNSCpx9J13vA linux-2.4.29-xen-sparse/net/core/skbuff.c
     1.7 -40f562372u3A7_kfbYYixPHJJxYUxA linux-2.6.10-xen-sparse/arch/xen/Kconfig
     1.8 -40f56237utH41NPukqHksuNf29IC9A linux-2.6.10-xen-sparse/arch/xen/Kconfig.drivers
     1.9 -40f56237penAAlWVBVDpeQZNFIg8CA linux-2.6.10-xen-sparse/arch/xen/Makefile
    1.10 -40f56237JTc60m1FRlUxkUaGSQKrNw linux-2.6.10-xen-sparse/arch/xen/boot/Makefile
    1.11 -40f56237hRxbacU_3PdoAl6DjZ3Jnw linux-2.6.10-xen-sparse/arch/xen/configs/xen0_defconfig
    1.12 -40f56237wubfjJKlfIzZlI3ZM2VgGA linux-2.6.10-xen-sparse/arch/xen/configs/xenU_defconfig
    1.13 -40f56237Mta0yHNaMS_qtM2rge0qYA linux-2.6.10-xen-sparse/arch/xen/i386/Kconfig
    1.14 -40f56238u2CJdXNpjsZgHBxeVyY-2g linux-2.6.10-xen-sparse/arch/xen/i386/Makefile
    1.15 -40f56238eczveJ86k_4hNxCLRQIF-g linux-2.6.10-xen-sparse/arch/xen/i386/kernel/Makefile
    1.16 -40f56238rXVTJQKbBuXXLH52qEArcg linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/Makefile
    1.17 -40f562385s4lr6Zg92gExe7UQ4A76Q linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/common.c
    1.18 -41ab440bnpxZdWShZrGgM9pPaz5rmA linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/mtrr/Makefile
    1.19 -41ab440bBKWz-aEOEojU4PAMXe3Ppg linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/mtrr/main.c
    1.20 -40f56238XDtHSijkAFlbv1PT8Bhw_Q linux-2.6.10-xen-sparse/arch/xen/i386/kernel/entry.S
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   1.170 +41d54a76YMCA67S8J-TBT3J62Wx6yA linux-2.6.11-xen-sparse/arch/xen/i386/kernel/microcode.c
   1.171 +4107adf1cNtsuOxOB4T6paAoY2R2PA linux-2.6.11-xen-sparse/arch/xen/i386/kernel/pci-dma.c
   1.172 +40f56238a8iOVDEoostsbun_sy2i4g linux-2.6.11-xen-sparse/arch/xen/i386/kernel/process.c
   1.173 +40f56238YQIJoYG2ehDGEcdTgLmGbg linux-2.6.11-xen-sparse/arch/xen/i386/kernel/setup.c
   1.174 +40f56238nWMQg7CKbyTy0KJNvCzbtg linux-2.6.11-xen-sparse/arch/xen/i386/kernel/signal.c
   1.175 +40f56238qVGkpO_ycnQA8k03kQzAgA linux-2.6.11-xen-sparse/arch/xen/i386/kernel/time.c
   1.176 +40f56238NzTgeO63RGoxHrW5NQeO3Q linux-2.6.11-xen-sparse/arch/xen/i386/kernel/timers/Makefile
   1.177 +40f56238BMqG5PuSHufpjbvp_helBw linux-2.6.11-xen-sparse/arch/xen/i386/kernel/timers/timer_tsc.c
   1.178 +40f562389xNa78YBZciUibQjyRU_Lg linux-2.6.11-xen-sparse/arch/xen/i386/kernel/traps.c
   1.179 +40f56238JypKAUG01ZojFwH7qnZ5uA linux-2.6.11-xen-sparse/arch/xen/i386/kernel/vsyscall.S
   1.180 +40f56238wi6AdNQjm0RT57bSkwb6hg linux-2.6.11-xen-sparse/arch/xen/i386/kernel/vsyscall.lds
   1.181 +40f56238a3w6-byOzexIlMgni76Lcg linux-2.6.11-xen-sparse/arch/xen/i386/mm/Makefile
   1.182 +40f56238ILx8xlbywNbzTdv5Zr4xXQ linux-2.6.11-xen-sparse/arch/xen/i386/mm/fault.c
   1.183 +4118cc35CbY8rfGVspF5O-7EkXBEAA linux-2.6.11-xen-sparse/arch/xen/i386/mm/highmem.c
   1.184 +40f562383SKvDStdtrvzr5fyCbW4rw linux-2.6.11-xen-sparse/arch/xen/i386/mm/hypervisor.c
   1.185 +40f56239xcNylAxuGsQHwi1AyMLV8w linux-2.6.11-xen-sparse/arch/xen/i386/mm/init.c
   1.186 +41062ab7CjxC1UBaFhOMWWdhHkIUyg linux-2.6.11-xen-sparse/arch/xen/i386/mm/ioremap.c
   1.187 +413b5ab8LIowAnQrEmaOJSdmqm96jQ linux-2.6.11-xen-sparse/arch/xen/i386/mm/pageattr.c
   1.188 +40f5623906UYHv1rsVUeRc0tFT0dWw linux-2.6.11-xen-sparse/arch/xen/i386/mm/pgtable.c
   1.189 +4107adf12ndy94MidCaivDibJ3pPAg linux-2.6.11-xen-sparse/arch/xen/i386/pci/Makefile
   1.190 +4107adf1WcCgkhsdLTRGX52cOG1vJg linux-2.6.11-xen-sparse/arch/xen/i386/pci/direct.c
   1.191 +4107adf1s5u6249DNPUViX1YNagbUQ linux-2.6.11-xen-sparse/arch/xen/i386/pci/irq.c
   1.192 +40f56239zOksGg_H4XD4ye6iZNtoZA linux-2.6.11-xen-sparse/arch/xen/kernel/Makefile
   1.193 +40f56239bvOjuuuViZ0XMlNiREFC0A linux-2.6.11-xen-sparse/arch/xen/kernel/ctrl_if.c
   1.194 +41ab6fa06JdF7jxUsuDcjN3UhuIAxg linux-2.6.11-xen-sparse/arch/xen/kernel/devmem.c
   1.195 +40f56238xFQe9T7M_U_FItM-bZIpLw linux-2.6.11-xen-sparse/arch/xen/kernel/evtchn.c
   1.196 +4110f478aeQWllIN7J4kouAHiAqrPw linux-2.6.11-xen-sparse/arch/xen/kernel/fixup.c
   1.197 +412dfae9eA3_6e6bCGUtg1mj8b56fQ linux-2.6.11-xen-sparse/arch/xen/kernel/gnttab.c
   1.198 +40f562392LBhwmOxVPsYdkYXMxI_ZQ linux-2.6.11-xen-sparse/arch/xen/kernel/reboot.c
   1.199 +414c113396tK1HTVeUalm3u-1DF16g linux-2.6.11-xen-sparse/arch/xen/kernel/skbuff.c
   1.200 +3f68905c5eiA-lBMQSvXLMWS1ikDEA linux-2.6.11-xen-sparse/arch/xen/kernel/xen_proc.c
   1.201 +41261688yS8eAyy-7kzG4KBs0xbYCA linux-2.6.11-xen-sparse/drivers/Makefile
   1.202 +4108f5c1WfTIrs0HZFeV39sttekCTw linux-2.6.11-xen-sparse/drivers/char/mem.c
   1.203 +4111308bZAIzwf_Kzu6x1TZYZ3E0_Q linux-2.6.11-xen-sparse/drivers/char/tty_io.c
   1.204 +40f56239Dp_vMTgz8TEbvo1hjHGc3w linux-2.6.11-xen-sparse/drivers/xen/Makefile
   1.205 +41768fbcncpBQf8s2l2-CwoSNIZ9uA linux-2.6.11-xen-sparse/drivers/xen/balloon/Makefile
   1.206 +3e6377f8i5e9eGz7Pw6fQuhuTQ7DQg linux-2.6.11-xen-sparse/drivers/xen/balloon/balloon.c
   1.207 +410d0893otFGghmv4dUXDUBBdY5aIA linux-2.6.11-xen-sparse/drivers/xen/blkback/Makefile
   1.208 +4087cf0d1XgMkooTZAiJS6NrcpLQNQ linux-2.6.11-xen-sparse/drivers/xen/blkback/blkback.c
   1.209 +4087cf0dZadZ8r6CEt4fNN350Yle3A linux-2.6.11-xen-sparse/drivers/xen/blkback/common.h
   1.210 +4087cf0dxlh29iw0w-9rxOCEGCjPcw linux-2.6.11-xen-sparse/drivers/xen/blkback/control.c
   1.211 +4087cf0dbuoH20fMjNZjcgrRK-1msQ linux-2.6.11-xen-sparse/drivers/xen/blkback/interface.c
   1.212 +4087cf0dk97tacDzxfByWV7JifUYqA linux-2.6.11-xen-sparse/drivers/xen/blkback/vbd.c
   1.213 +40f56239Sfle6wGv5FS0wjS_HI150A linux-2.6.11-xen-sparse/drivers/xen/blkfront/Kconfig
   1.214 +40f562395atl9x4suKGhPkjqLOXESg linux-2.6.11-xen-sparse/drivers/xen/blkfront/Makefile
   1.215 +40f56239-JNIaTzlviVJohVdoYOUpw linux-2.6.11-xen-sparse/drivers/xen/blkfront/blkfront.c
   1.216 +40f56239y9naBTXe40Pi2J_z3p-d1g linux-2.6.11-xen-sparse/drivers/xen/blkfront/block.h
   1.217 +40f56239BVfPsXBiWQitXgDRtOsiqg linux-2.6.11-xen-sparse/drivers/xen/blkfront/vbd.c
   1.218 +40f56239fsLjvtD8YBRAWphps4FDjg linux-2.6.11-xen-sparse/drivers/xen/console/Makefile
   1.219 +3e5a4e651TH-SXHoufurnWjgl5bfOA linux-2.6.11-xen-sparse/drivers/xen/console/console.c
   1.220 +40f56239KYxO0YabhPzCTeUuln-lnA linux-2.6.11-xen-sparse/drivers/xen/evtchn/Makefile
   1.221 +40f56239DoibTX6R-ZYd3QTXAB8_TA linux-2.6.11-xen-sparse/drivers/xen/evtchn/evtchn.c
   1.222 +410a9817HEVJvred5Oy_uKH3HFJC5Q linux-2.6.11-xen-sparse/drivers/xen/netback/Makefile
   1.223 +4097ba831lpGeLlPg-bfV8XarVVuoQ linux-2.6.11-xen-sparse/drivers/xen/netback/common.h
   1.224 +4097ba83wvv8yi5P5xugCUBAdb6O-A linux-2.6.11-xen-sparse/drivers/xen/netback/control.c
   1.225 +4097ba83byY5bTSugJGZ1exTxIcMKw linux-2.6.11-xen-sparse/drivers/xen/netback/interface.c
   1.226 +4087cf0dGmSbFhFZyIZBJzvqxY-qBw linux-2.6.11-xen-sparse/drivers/xen/netback/netback.c
   1.227 +40f56239lrg_Ob0BJ8WBFS1zeg2CYw linux-2.6.11-xen-sparse/drivers/xen/netfront/Kconfig
   1.228 +40f56239Wd4k_ycG_mFsSO1r5xKdtQ linux-2.6.11-xen-sparse/drivers/xen/netfront/Makefile
   1.229 +405853f6nbeazrNyEWNHBuoSg2PiPA linux-2.6.11-xen-sparse/drivers/xen/netfront/netfront.c
   1.230 +4108f5c1ppFXVpQzCOAZ6xXYubsjKA linux-2.6.11-xen-sparse/drivers/xen/privcmd/Makefile
   1.231 +3e5a4e65IUfzzMu2kZFlGEB8-rpTaA linux-2.6.11-xen-sparse/drivers/xen/privcmd/privcmd.c
   1.232 +412f47e4RKD-R5IS5gEXvcT8L4v8gA linux-2.6.11-xen-sparse/include/asm-generic/pgtable.h
   1.233 +40f56239YAjS52QG2FIAQpHDZAdGHg linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/desc.h
   1.234 +4107adf1E5O4ztGHNGMzCCNhcvqNow linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/dma-mapping.h
   1.235 +40f5623akIoBsQ3KxSB2kufkbgONXQ linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/fixmap.h
   1.236 +41979925z1MsKU1SfuuheM1IFDQ_bA linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/floppy.h
   1.237 +4118b6a418gnL6AZsTdglC92YGqYTg linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/highmem.h
   1.238 +40f5623aJVXQwpJMOLE99XgvGsfQ8Q linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/io.h
   1.239 +40f5623aKXkBBxgpLx2NcvkncQ1Yyw linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/mach-xen/irq_vectors.h
   1.240 +40f5623aDMCsWOFO0jktZ4e8sjwvEg linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/mach-xen/setup_arch_post.h
   1.241 +40f5623arsFXkGdPvIqvFi3yFXGR0Q linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/mach-xen/setup_arch_pre.h
   1.242 +4120f807GCO0uqsLqdZj9csxR1Wthw linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/mmu_context.h
   1.243 +40f5623adgjZq9nAgCt0IXdWl7udSA linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/page.h
   1.244 +40f5623a54NuG-7qHihGYmw4wWQnMA linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/param.h
   1.245 +41137cc1kkvg0cg7uxddcEfjL7L67w linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/pci.h
   1.246 +40f5623atCokYc2uCysSJ8jFO8TEsw linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/pgalloc.h
   1.247 +412e01beTwiaC8sYY4XJP8PxLST5CA linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/pgtable-2level-defs.h
   1.248 +40f5623aEToIXouJgO-ao5d5pcEt1w linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/pgtable-2level.h
   1.249 +40f5623aCCXRPlGpNthVXstGz9ZV3A linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/pgtable.h
   1.250 +40f5623aPCkQQfPtJSooGdhcatrvnQ linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/processor.h
   1.251 +412ea0afQL2CAI-f522TbLjLPMibPQ linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/ptrace.h
   1.252 +40f5623bzLvxr7WoJIxVf2OH4rCBJg linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/segment.h
   1.253 +40f5623bG_LzgG6-qwk292nTc5Wabw linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/setup.h
   1.254 +40f5623bgzm_9vwxpzJswlAxg298Gg linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/synch_bitops.h
   1.255 +40f5623bVdKP7Dt7qm8twu3NcnGNbA linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/system.h
   1.256 +40f5623bc8LKPRO09wY5dGDnY_YCpw linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/tlbflush.h
   1.257 +41062ab7uFxnCq-KtPeAm-aV8CicgA linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/vga.h
   1.258 +41af4017PDMuSmMWtSRU5UC9Vylw5g linux-2.6.11-xen-sparse/include/asm-xen/balloon.h
   1.259 +40f5623bYNP7tHE2zX6YQxp9Zq2utQ linux-2.6.11-xen-sparse/include/asm-xen/ctrl_if.h
   1.260 +40f5623b3Eqs8pAc5WpPX8_jTzV2qw linux-2.6.11-xen-sparse/include/asm-xen/evtchn.h
   1.261 +419b4e9367PjTEvdjwavWN12BeBBXg linux-2.6.11-xen-sparse/include/asm-xen/foreign_page.h
   1.262 +412dfaeazclyNDM0cpnp60Yo4xulpQ linux-2.6.11-xen-sparse/include/asm-xen/gnttab.h
   1.263 +40f5623aGPlsm0u1LTO-NVZ6AGzNRQ linux-2.6.11-xen-sparse/include/asm-xen/hypervisor.h
   1.264 +3f108af1ylCIm82H052FVTfXACBHrw linux-2.6.11-xen-sparse/include/asm-xen/linux-public/privcmd.h
   1.265 +3fa8e3f0kBLeE4To2vpdi3cpJbIkbQ linux-2.6.11-xen-sparse/include/asm-xen/linux-public/suspend.h
   1.266 +40f5623cndVUFlkxpf7Lfx7xu8madQ linux-2.6.11-xen-sparse/include/asm-xen/multicall.h
   1.267 +4122466356eIBnC9ot44WSVVIFyhQA linux-2.6.11-xen-sparse/include/asm-xen/queues.h
   1.268 +3f689063BoW-HWV3auUJ-OqXfcGArw linux-2.6.11-xen-sparse/include/asm-xen/xen_proc.h
   1.269 +419b4e93z2S0gR17XTy8wg09JEwAhg linux-2.6.11-xen-sparse/include/linux/gfp.h
   1.270 +42305f545Vc5SLCUewZ2-n-P9JJhEQ linux-2.6.11-xen-sparse/include/linux/highmem.h
   1.271 +419dfc609zbti8rqL60tL2dHXQ_rvQ linux-2.6.11-xen-sparse/include/linux/irq.h
   1.272 +419dfc6awx7w88wk6cG9P3mPidX6LQ linux-2.6.11-xen-sparse/kernel/irq/manage.c
   1.273 +40f56a0ddHCSs3501MY4hRf22tctOw linux-2.6.11-xen-sparse/mkbuildtree
   1.274 +42305f54Q6xJ1bXcQJlCQq1m-e2C8g linux-2.6.11-xen-sparse/mm/highmem.c
   1.275 +412f46c0LJuKAgSPGoC0Z1DEkLfuLA linux-2.6.11-xen-sparse/mm/memory.c
   1.276 +410a94a4KT6I6X0LVc7djB39tRDp4g linux-2.6.11-xen-sparse/mm/page_alloc.c
   1.277  413cb1e4zst25MDYjg63Y-NGC5_pLg netbsd-2.0-xen-sparse/Makefile
   1.278  413cb1e5c_Mkxf_X0zimEhTKI_l4DA netbsd-2.0-xen-sparse/mkbuildtree
   1.279  413cb1e5kY_Zil7-b0kI6hvCIxBEYg netbsd-2.0-xen-sparse/nbconfig-xen
   1.280 @@ -317,7 +315,7 @@ 413cb3b5F56TvQWAmO5TsuzhtzLFPQ netbsd-2.
   1.281  422e4430vKaHLOOGS7X-SUUe3EBCgw netbsd-2.0-xen-sparse/sys/miscfs/kernfs/kernfs.h
   1.282  422e4430-gOD358H8nGGnNWes08Nng netbsd-2.0-xen-sparse/sys/miscfs/kernfs/kernfs_vnops.c
   1.283  413cb3b53nyOv1OIeDSsCXhBFDXvJA netbsd-2.0-xen-sparse/sys/nfs/files.nfs
   1.284 -413aa1d0oNP8HXLvfPuMe6cSroUfSA patches/linux-2.6.10/agpgart.patch
   1.285 +413aa1d0oNP8HXLvfPuMe6cSroUfSA patches/linux-2.6.11/agpgart.patch
   1.286  3f776bd1Hy9rn69ntXBhPReUFw9IEA tools/Makefile
   1.287  40e1b09db5mN69Ijj0X_Eol-S7dXiw tools/Rules.mk
   1.288  4209033eUwhDBJ_bxejiv5c6gjXS4A tools/blktap/Makefile
     2.1 --- a/linux-2.4.29-xen-sparse/include/asm-xen/pgtable-2level.h	Sat Mar 12 14:48:18 2005 +0000
     2.2 +++ b/linux-2.4.29-xen-sparse/include/asm-xen/pgtable-2level.h	Sat Mar 12 20:44:12 2005 +0000
     2.3 @@ -36,7 +36,7 @@ static inline int pgd_present(pgd_t pgd)
     2.4  
     2.5  #define set_pte(pteptr, pteval) queue_l1_entry_update(pteptr, (pteval).pte_low)
     2.6  #define set_pte_atomic(pteptr, pteval) queue_l1_entry_update(pteptr, (pteval).pte_low)
     2.7 -#define set_pmd(pmdptr, pmdval) queue_l2_entry_update((pmdptr), (pmdval).pmd)
     2.8 +#define set_pmd(pmdptr, pmdval) queue_l2_entry_update((pmdptr), (pmdval))
     2.9  #define set_pgd(pgdptr, pgdval) ((void)0)
    2.10  
    2.11  #define pgd_page(pgd) \
     3.1 --- a/linux-2.6.10-xen-sparse/arch/xen/Kconfig	Sat Mar 12 14:48:18 2005 +0000
     3.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     3.3 @@ -1,174 +0,0 @@
     3.4 -#
     3.5 -# For a description of the syntax of this configuration file,
     3.6 -# see Documentation/kbuild/kconfig-language.txt.
     3.7 -#
     3.8 -
     3.9 -mainmenu "Linux Kernel Configuration"
    3.10 -
    3.11 -config XEN
    3.12 -	bool
    3.13 -	default y
    3.14 -	help
    3.15 -	  This is the Linux Xen port.
    3.16 -
    3.17 -config ARCH_XEN
    3.18 -	bool
    3.19 -	default y
    3.20 -
    3.21 -
    3.22 -config NO_IDLE_HZ
    3.23 -	bool
    3.24 -	default y
    3.25 -
    3.26 -
    3.27 -menu "XEN"
    3.28 -
    3.29 -config XEN_PRIVILEGED_GUEST
    3.30 -	bool "Privileged Guest (domain 0)"
    3.31 -	default n
    3.32 -	select XEN_PHYSDEV_ACCESS
    3.33 -	help
    3.34 -	  Support for privileged operation (domain 0)
    3.35 -
    3.36 -config XEN_PHYSDEV_ACCESS
    3.37 -	bool "Physical device access"
    3.38 -	default XEN_PRIVILEGED_GUEST
    3.39 -	help
    3.40 -	  Assume access is available to physical hardware devices
    3.41 -	  (e.g., hard drives, network cards). This allows you to configure
    3.42 -	  such devices and also includes some low-level support that is
    3.43 -	  otherwise not compiled into the kernel.
    3.44 -
    3.45 -config XEN_BLKDEV_BACKEND
    3.46 -	bool "Block-device backend driver"
    3.47 -	depends on XEN_PHYSDEV_ACCESS
    3.48 -	default y
    3.49 -	help
    3.50 -	  The block-device backend driver allows the kernel to export its
    3.51 -	  block devices to other guests via a high-performance shared-memory
    3.52 -	  interface.
    3.53 -
    3.54 -config XEN_BLKDEV_TAP_BE
    3.55 -        bool "Block Tap support for backend driver (DANGEROUS)"
    3.56 -        depends on XEN_BLKDEV_BACKEND
    3.57 -        default n
    3.58 -        help
    3.59 -          If you intend to use the block tap driver, the backend domain will
    3.60 -          not know the domain id of the real frontend, and so will not be able
    3.61 -          to map its data pages.  This modifies the backend to attempt to map
    3.62 -          from both the tap domain and the real frontend.  This presents a
    3.63 -          security risk, and so should ONLY be used for development
    3.64 -          with the blktap.  This option will be removed as the block drivers are
    3.65 -          modified to use grant tables.
    3.66 -
    3.67 -config XEN_NETDEV_BACKEND
    3.68 -	bool "Network-device backend driver"
    3.69 -	depends on XEN_PHYSDEV_ACCESS
    3.70 -	default y
    3.71 -	help
    3.72 -	  The network-device backend driver allows the kernel to export its
    3.73 -	  network devices to other guests via a high-performance shared-memory
    3.74 -	  interface.
    3.75 -
    3.76 -config XEN_BLKDEV_FRONTEND
    3.77 -	bool "Block-device frontend driver"
    3.78 -	default y
    3.79 -	help
    3.80 -	  The block-device frontend driver allows the kernel to access block
    3.81 -	  devices mounted within another guest OS. Unless you are building a
    3.82 -	  dedicated device-driver domain, or your master control domain
    3.83 -	  (domain 0), then you almost certainly want to say Y here.
    3.84 -
    3.85 -config XEN_NETDEV_FRONTEND
    3.86 -	bool "Network-device frontend driver"
    3.87 -	default y
    3.88 -	help
    3.89 -	  The network-device frontend driver allows the kernel to access
    3.90 -	  network interfaces within another guest OS. Unless you are building a
    3.91 -	  dedicated device-driver domain, or your master control domain
    3.92 -	  (domain 0), then you almost certainly want to say Y here.
    3.93 -
    3.94 -config XEN_NETDEV_FRONTEND_PIPELINED_TRANSMITTER
    3.95 -	bool "Pipelined transmitter (DANGEROUS)"
    3.96 -	depends on XEN_NETDEV_FRONTEND
    3.97 -	default n
    3.98 -	help
    3.99 -	  The driver will assume that the backend is pipelining packets for
   3.100 -	  transmission: whenever packets are pending in the remote backend,
   3.101 -	  the driver will not send asynchronous notifications when it queues
   3.102 -	  additional packets for transmission.
   3.103 -	  If the backend is a dumb domain, such as a transparent Ethernet
   3.104 -	  bridge with no local IP interface, it is safe to say Y here to get
   3.105 -	  slightly lower network overhead.
   3.106 -	  If the backend has a local IP interface; or may be doing smart things
   3.107 -	  like reassembling packets to perform firewall filtering; or if you
   3.108 -	  are unsure; or if you experience network hangs when this option is
   3.109 -	  enabled; then you must say N here.
   3.110 -
   3.111 -config XEN_BLKDEV_TAP
   3.112 -	bool "Block device tap driver"
   3.113 -	default n
   3.114 -	help
   3.115 -	  This driver allows a VM to interact on block device channels
   3.116 -	  to other VMs.  Block messages may be passed through or redirected
   3.117 -	  to a character device, allowing device prototyping in application
   3.118 -	  space.  Odds are that you want to say N here.
   3.119 -
   3.120 -config XEN_WRITABLE_PAGETABLES
   3.121 -	bool
   3.122 -	default y
   3.123 -
   3.124 -config XEN_SCRUB_PAGES
   3.125 -	bool "Scrub memory before freeing it to Xen"
   3.126 -	default y
   3.127 -	help
   3.128 -	  Erase memory contents before freeing it back to Xen's global
   3.129 -	  pool. This ensures that any secrets contained within that
   3.130 -	  memory (e.g., private keys) cannot be found by other guests that
   3.131 -	  may be running on the machine. Most people will want to say Y here.
   3.132 -	  If security is not a concern then you may increase performance by
   3.133 -	  saying N.
   3.134 -
   3.135 -choice
   3.136 -	prompt "Processor Type"
   3.137 -	default X86
   3.138 -
   3.139 -config X86
   3.140 -	bool "X86"
   3.141 -	help
   3.142 -	  Choose this option if your computer is a X86 architecture.
   3.143 -
   3.144 -config X86_64
   3.145 -	bool "X86_64"
   3.146 -	help
   3.147 -	  Choose this option if your computer is a X86 architecture.
   3.148 -
   3.149 -endchoice
   3.150 -
   3.151 -endmenu
   3.152 -
   3.153 -config HAVE_ARCH_DEV_ALLOC_SKB
   3.154 -	bool
   3.155 -	default y
   3.156 -
   3.157 -source "init/Kconfig"
   3.158 -
   3.159 -if X86
   3.160 -source "arch/xen/i386/Kconfig"
   3.161 -endif
   3.162 -
   3.163 -menu "Executable file formats"
   3.164 -
   3.165 -source "fs/Kconfig.binfmt"
   3.166 -
   3.167 -endmenu
   3.168 -
   3.169 -source "arch/xen/Kconfig.drivers"
   3.170 -
   3.171 -source "fs/Kconfig"
   3.172 -
   3.173 -source "security/Kconfig"
   3.174 -
   3.175 -source "crypto/Kconfig"
   3.176 -
   3.177 -source "lib/Kconfig"
     4.1 --- a/linux-2.6.10-xen-sparse/arch/xen/Kconfig.drivers	Sat Mar 12 14:48:18 2005 +0000
     4.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     4.3 @@ -1,55 +0,0 @@
     4.4 -# arch/xen/Kconfig.drivers
     4.5 -
     4.6 -menu "Device Drivers"
     4.7 -
     4.8 -source "drivers/base/Kconfig"
     4.9 -
    4.10 -if XEN_PHYSDEV_ACCESS
    4.11 -source "drivers/mtd/Kconfig"
    4.12 -source "drivers/parport/Kconfig"
    4.13 -source "drivers/pnp/Kconfig"
    4.14 -endif
    4.15 -
    4.16 -source "drivers/block/Kconfig"
    4.17 -
    4.18 -if XEN_PHYSDEV_ACCESS
    4.19 -source "drivers/ide/Kconfig"
    4.20 -endif
    4.21 -
    4.22 -source "drivers/scsi/Kconfig"
    4.23 -
    4.24 -if XEN_PHYSDEV_ACCESS
    4.25 -source "drivers/cdrom/Kconfig"
    4.26 -endif
    4.27 -
    4.28 -source "drivers/md/Kconfig"
    4.29 -
    4.30 -if XEN_PHYSDEV_ACCESS
    4.31 -source "drivers/message/fusion/Kconfig"
    4.32 -source "drivers/ieee1394/Kconfig"
    4.33 -source "drivers/message/i2o/Kconfig"
    4.34 -endif
    4.35 -
    4.36 -source "net/Kconfig"
    4.37 -
    4.38 -if XEN_PHYSDEV_ACCESS
    4.39 -source "drivers/isdn/Kconfig"
    4.40 -source "drivers/telephony/Kconfig"
    4.41 -source "drivers/input/Kconfig"
    4.42 -source "drivers/char/Kconfig"
    4.43 -source "drivers/i2c/Kconfig"
    4.44 -source "drivers/w1/Kconfig"
    4.45 -source "drivers/misc/Kconfig"
    4.46 -source "drivers/media/Kconfig"
    4.47 -source "drivers/video/Kconfig"
    4.48 -source "sound/Kconfig"
    4.49 -source "drivers/usb/Kconfig"
    4.50 -endif
    4.51 -
    4.52 -if !XEN_PHYSDEV_ACCESS
    4.53 -config UNIX98_PTYS
    4.54 -	bool
    4.55 -	default y
    4.56 -endif
    4.57 -
    4.58 -endmenu
     5.1 --- a/linux-2.6.10-xen-sparse/arch/xen/Makefile	Sat Mar 12 14:48:18 2005 +0000
     5.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     5.3 @@ -1,70 +0,0 @@
     5.4 -#
     5.5 -# xen/Makefile
     5.6 -#
     5.7 -# This file is included by the global makefile so that you can add your own
     5.8 -# architecture-specific flags and dependencies. Remember to do have actions
     5.9 -# for "archclean" cleaning up for this architecture.
    5.10 -#
    5.11 -# This file is subject to the terms and conditions of the GNU General Public
    5.12 -# License.  See the file "COPYING" in the main directory of this archive
    5.13 -# for more details.
    5.14 -#
    5.15 -# Copyright (C) 2004 by Christian Limpach
    5.16 -#
    5.17 -
    5.18 -XENARCH	:= $(subst ",,$(CONFIG_XENARCH))
    5.19 -
    5.20 -# pick up headers from include/asm-xen/asm in preference over include/asm
    5.21 -NOSTDINC_FLAGS  = -nostdinc -iwithprefix include/asm-xen -Iinclude/asm-xen -iwithprefix include
    5.22 -
    5.23 -# make uname return the processor arch
    5.24 -UTS_MACHINE := $(XENARCH)
    5.25 -
    5.26 -core-y	+= arch/xen/kernel/
    5.27 -
    5.28 -include/.asm-ignore: include/asm
    5.29 -	@rm -f include/.asm-ignore
    5.30 -	@mv include/asm include/.asm-ignore
    5.31 -	@echo '  SYMLINK include/asm -> include/asm-$(XENARCH)'
    5.32 -	$(Q)if [ ! -d include ]; then mkdir -p include; fi;
    5.33 -	@ln -fsn asm-$(XENARCH) include/asm
    5.34 -
    5.35 -include/asm-xen/asm:
    5.36 -	@echo '  SYMLINK $@ -> include/asm-xen/asm-$(XENARCH)'
    5.37 -	@ln -fsn asm-$(XENARCH) $@
    5.38 -
    5.39 -arch/xen/arch:
    5.40 -	@rm -f $@
    5.41 -	@ln -fsn $(XENARCH) $@
    5.42 -
    5.43 -prepare: include/.asm-ignore include/asm-xen/asm \
    5.44 -	arch/xen/arch ;
    5.45 -
    5.46 -all: vmlinuz
    5.47 -
    5.48 -vmlinuz: vmlinux
    5.49 -	$(Q)$(MAKE) $(build)=arch/xen/boot vmlinuz
    5.50 -
    5.51 -XINSTALL_NAME ?= $(KERNELRELEASE)
    5.52 -install: vmlinuz
    5.53 -	mkdir -p $(INSTALL_PATH)/boot
    5.54 -	install -m0644 vmlinuz $(INSTALL_PATH)/boot/vmlinuz-$(XINSTALL_NAME)$(INSTALL_SUFFIX)
    5.55 -	install -m0644 vmlinux $(INSTALL_PATH)/boot/vmlinux-syms-$(XINSTALL_NAME)$(INSTALL_SUFFIX)
    5.56 -	install -m0664 .config $(INSTALL_PATH)/boot/config-$(XINSTALL_NAME)$(INSTALL_SUFFIX)
    5.57 -	install -m0664 System.map $(INSTALL_PATH)/boot/System.map-$(XINSTALL_NAME)$(INSTALL_SUFFIX)
    5.58 -	mkdir -p $(INSTALL_PATH)/usr/include/xen/linux
    5.59 -	install -m0644 include/asm-xen/linux-public/*.h $(INSTALL_PATH)/usr/include/xen/linux
    5.60 -
    5.61 -archclean:
    5.62 -	@if [ -e arch/xen/arch ]; then $(MAKE) $(clean)=arch/xen/arch; fi;
    5.63 -	@rm -f arch/xen/arch include/.asm-ignore include/asm-xen/asm
    5.64 -	@rm -f vmlinux-stripped vmlinuz
    5.65 -
    5.66 -define archhelp
    5.67 -  echo  '* vmlinuz	- Compressed kernel image'
    5.68 -  echo  '  install	- Install kernel image and config file'
    5.69 -endef
    5.70 -
    5.71 -ifneq ($(XENARCH),)
    5.72 -include	$(srctree)/arch/xen/$(XENARCH)/Makefile
    5.73 -endif
     6.1 --- a/linux-2.6.10-xen-sparse/arch/xen/boot/Makefile	Sat Mar 12 14:48:18 2005 +0000
     6.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     6.3 @@ -1,8 +0,0 @@
     6.4 -
     6.5 -OBJCOPYFLAGS := -g --strip-unneeded
     6.6 -
     6.7 -vmlinuz: vmlinux-stripped FORCE
     6.8 -	$(call if_changed,gzip)
     6.9 -
    6.10 -vmlinux-stripped: vmlinux FORCE
    6.11 -	$(call if_changed,objcopy)
     7.1 --- a/linux-2.6.10-xen-sparse/arch/xen/configs/xen0_defconfig	Sat Mar 12 14:48:18 2005 +0000
     7.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     7.3 @@ -1,1078 +0,0 @@
     7.4 -#
     7.5 -# Automatically generated make config: don't edit
     7.6 -# Linux kernel version: 2.6.10-xen0
     7.7 -# Mon Feb 21 13:46:38 2005
     7.8 -#
     7.9 -CONFIG_XEN=y
    7.10 -CONFIG_ARCH_XEN=y
    7.11 -CONFIG_NO_IDLE_HZ=y
    7.12 -
    7.13 -#
    7.14 -# XEN
    7.15 -#
    7.16 -CONFIG_XEN_PRIVILEGED_GUEST=y
    7.17 -CONFIG_XEN_PHYSDEV_ACCESS=y
    7.18 -CONFIG_XEN_BLKDEV_BACKEND=y
    7.19 -# CONFIG_XEN_BLKDEV_TAP_BE is not set
    7.20 -CONFIG_XEN_NETDEV_BACKEND=y
    7.21 -CONFIG_XEN_BLKDEV_FRONTEND=y
    7.22 -CONFIG_XEN_NETDEV_FRONTEND=y
    7.23 -# CONFIG_XEN_NETDEV_FRONTEND_PIPELINED_TRANSMITTER is not set
    7.24 -# CONFIG_XEN_BLKDEV_TAP is not set
    7.25 -CONFIG_XEN_WRITABLE_PAGETABLES=y
    7.26 -CONFIG_XEN_SCRUB_PAGES=y
    7.27 -CONFIG_X86=y
    7.28 -# CONFIG_X86_64 is not set
    7.29 -CONFIG_HAVE_ARCH_DEV_ALLOC_SKB=y
    7.30 -
    7.31 -#
    7.32 -# Code maturity level options
    7.33 -#
    7.34 -CONFIG_EXPERIMENTAL=y
    7.35 -# CONFIG_CLEAN_COMPILE is not set
    7.36 -CONFIG_BROKEN=y
    7.37 -CONFIG_BROKEN_ON_SMP=y
    7.38 -CONFIG_LOCK_KERNEL=y
    7.39 -
    7.40 -#
    7.41 -# General setup
    7.42 -#
    7.43 -CONFIG_LOCALVERSION=""
    7.44 -CONFIG_SWAP=y
    7.45 -CONFIG_SYSVIPC=y
    7.46 -# CONFIG_POSIX_MQUEUE is not set
    7.47 -# CONFIG_BSD_PROCESS_ACCT is not set
    7.48 -CONFIG_SYSCTL=y
    7.49 -# CONFIG_AUDIT is not set
    7.50 -CONFIG_LOG_BUF_SHIFT=14
    7.51 -CONFIG_HOTPLUG=y
    7.52 -CONFIG_KOBJECT_UEVENT=y
    7.53 -# CONFIG_IKCONFIG is not set
    7.54 -# CONFIG_EMBEDDED is not set
    7.55 -CONFIG_KALLSYMS=y
    7.56 -# CONFIG_KALLSYMS_EXTRA_PASS is not set
    7.57 -CONFIG_FUTEX=y
    7.58 -CONFIG_EPOLL=y
    7.59 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
    7.60 -CONFIG_SHMEM=y
    7.61 -CONFIG_CC_ALIGN_FUNCTIONS=0
    7.62 -CONFIG_CC_ALIGN_LABELS=0
    7.63 -CONFIG_CC_ALIGN_LOOPS=0
    7.64 -CONFIG_CC_ALIGN_JUMPS=0
    7.65 -# CONFIG_TINY_SHMEM is not set
    7.66 -
    7.67 -#
    7.68 -# Loadable module support
    7.69 -#
    7.70 -CONFIG_MODULES=y
    7.71 -CONFIG_MODULE_UNLOAD=y
    7.72 -# CONFIG_MODULE_FORCE_UNLOAD is not set
    7.73 -CONFIG_OBSOLETE_MODPARM=y
    7.74 -# CONFIG_MODVERSIONS is not set
    7.75 -# CONFIG_MODULE_SRCVERSION_ALL is not set
    7.76 -CONFIG_KMOD=y
    7.77 -
    7.78 -#
    7.79 -# X86 Processor Configuration
    7.80 -#
    7.81 -CONFIG_XENARCH="i386"
    7.82 -CONFIG_MMU=y
    7.83 -CONFIG_UID16=y
    7.84 -CONFIG_GENERIC_ISA_DMA=y
    7.85 -CONFIG_GENERIC_IOMAP=y
    7.86 -# CONFIG_M386 is not set
    7.87 -# CONFIG_M486 is not set
    7.88 -# CONFIG_M586 is not set
    7.89 -# CONFIG_M586TSC is not set
    7.90 -# CONFIG_M586MMX is not set
    7.91 -# CONFIG_M686 is not set
    7.92 -# CONFIG_MPENTIUMII is not set
    7.93 -# CONFIG_MPENTIUMIII is not set
    7.94 -# CONFIG_MPENTIUMM is not set
    7.95 -CONFIG_MPENTIUM4=y
    7.96 -# CONFIG_MK6 is not set
    7.97 -# CONFIG_MK7 is not set
    7.98 -# CONFIG_MK8 is not set
    7.99 -# CONFIG_MCRUSOE is not set
   7.100 -# CONFIG_MEFFICEON is not set
   7.101 -# CONFIG_MWINCHIPC6 is not set
   7.102 -# CONFIG_MWINCHIP2 is not set
   7.103 -# CONFIG_MWINCHIP3D is not set
   7.104 -# CONFIG_MCYRIXIII is not set
   7.105 -# CONFIG_MVIAC3_2 is not set
   7.106 -# CONFIG_X86_GENERIC is not set
   7.107 -CONFIG_X86_CMPXCHG=y
   7.108 -CONFIG_X86_XADD=y
   7.109 -CONFIG_X86_L1_CACHE_SHIFT=7
   7.110 -CONFIG_RWSEM_XCHGADD_ALGORITHM=y
   7.111 -CONFIG_X86_WP_WORKS_OK=y
   7.112 -CONFIG_X86_INVLPG=y
   7.113 -CONFIG_X86_BSWAP=y
   7.114 -CONFIG_X86_POPAD_OK=y
   7.115 -CONFIG_X86_GOOD_APIC=y
   7.116 -CONFIG_X86_INTEL_USERCOPY=y
   7.117 -CONFIG_X86_USE_PPRO_CHECKSUM=y
   7.118 -# CONFIG_HPET_TIMER is not set
   7.119 -# CONFIG_HPET_EMULATE_RTC is not set
   7.120 -# CONFIG_SMP is not set
   7.121 -CONFIG_PREEMPT=y
   7.122 -CONFIG_MICROCODE=y
   7.123 -CONFIG_X86_CPUID=y
   7.124 -
   7.125 -#
   7.126 -# Firmware Drivers
   7.127 -#
   7.128 -# CONFIG_EDD is not set
   7.129 -CONFIG_NOHIGHMEM=y
   7.130 -# CONFIG_HIGHMEM4G is not set
   7.131 -CONFIG_MTRR=y
   7.132 -CONFIG_HAVE_DEC_LOCK=y
   7.133 -# CONFIG_REGPARM is not set
   7.134 -
   7.135 -#
   7.136 -# Bus options (PCI, PCMCIA, EISA, MCA, ISA)
   7.137 -#
   7.138 -CONFIG_PCI=y
   7.139 -CONFIG_PCI_DIRECT=y
   7.140 -CONFIG_PCI_LEGACY_PROC=y
   7.141 -# CONFIG_PCI_NAMES is not set
   7.142 -CONFIG_ISA=y
   7.143 -# CONFIG_EISA is not set
   7.144 -# CONFIG_MCA is not set
   7.145 -# CONFIG_SCx200 is not set
   7.146 -
   7.147 -#
   7.148 -# PCCARD (PCMCIA/CardBus) support
   7.149 -#
   7.150 -# CONFIG_PCCARD is not set
   7.151 -
   7.152 -#
   7.153 -# PC-card bridges
   7.154 -#
   7.155 -CONFIG_PCMCIA_PROBE=y
   7.156 -
   7.157 -#
   7.158 -# PCI Hotplug Support
   7.159 -#
   7.160 -# CONFIG_HOTPLUG_PCI is not set
   7.161 -
   7.162 -#
   7.163 -# Kernel hacking
   7.164 -#
   7.165 -# CONFIG_DEBUG_KERNEL is not set
   7.166 -CONFIG_EARLY_PRINTK=y
   7.167 -# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
   7.168 -# CONFIG_FRAME_POINTER is not set
   7.169 -# CONFIG_4KSTACKS is not set
   7.170 -CONFIG_GENERIC_HARDIRQS=y
   7.171 -CONFIG_GENERIC_IRQ_PROBE=y
   7.172 -CONFIG_X86_BIOS_REBOOT=y
   7.173 -CONFIG_PC=y
   7.174 -
   7.175 -#
   7.176 -# Executable file formats
   7.177 -#
   7.178 -CONFIG_BINFMT_ELF=y
   7.179 -# CONFIG_BINFMT_AOUT is not set
   7.180 -# CONFIG_BINFMT_MISC is not set
   7.181 -
   7.182 -#
   7.183 -# Device Drivers
   7.184 -#
   7.185 -
   7.186 -#
   7.187 -# Generic Driver Options
   7.188 -#
   7.189 -# CONFIG_STANDALONE is not set
   7.190 -CONFIG_PREVENT_FIRMWARE_BUILD=y
   7.191 -# CONFIG_FW_LOADER is not set
   7.192 -
   7.193 -#
   7.194 -# Memory Technology Devices (MTD)
   7.195 -#
   7.196 -# CONFIG_MTD is not set
   7.197 -
   7.198 -#
   7.199 -# Parallel port support
   7.200 -#
   7.201 -# CONFIG_PARPORT is not set
   7.202 -
   7.203 -#
   7.204 -# Plug and Play support
   7.205 -#
   7.206 -# CONFIG_PNP is not set
   7.207 -
   7.208 -#
   7.209 -# Block devices
   7.210 -#
   7.211 -CONFIG_BLK_DEV_FD=y
   7.212 -# CONFIG_BLK_DEV_XD is not set
   7.213 -# CONFIG_BLK_CPQ_DA is not set
   7.214 -CONFIG_BLK_CPQ_CISS_DA=y
   7.215 -# CONFIG_CISS_SCSI_TAPE is not set
   7.216 -# CONFIG_BLK_DEV_DAC960 is not set
   7.217 -# CONFIG_BLK_DEV_UMEM is not set
   7.218 -CONFIG_BLK_DEV_LOOP=y
   7.219 -# CONFIG_BLK_DEV_CRYPTOLOOP is not set
   7.220 -# CONFIG_BLK_DEV_NBD is not set
   7.221 -# CONFIG_BLK_DEV_SX8 is not set
   7.222 -CONFIG_BLK_DEV_RAM=y
   7.223 -CONFIG_BLK_DEV_RAM_COUNT=16
   7.224 -CONFIG_BLK_DEV_RAM_SIZE=4096
   7.225 -CONFIG_BLK_DEV_INITRD=y
   7.226 -CONFIG_INITRAMFS_SOURCE=""
   7.227 -# CONFIG_LBD is not set
   7.228 -# CONFIG_CDROM_PKTCDVD is not set
   7.229 -
   7.230 -#
   7.231 -# IO Schedulers
   7.232 -#
   7.233 -CONFIG_IOSCHED_NOOP=y
   7.234 -CONFIG_IOSCHED_AS=y
   7.235 -CONFIG_IOSCHED_DEADLINE=y
   7.236 -CONFIG_IOSCHED_CFQ=y
   7.237 -
   7.238 -#
   7.239 -# ATA/ATAPI/MFM/RLL support
   7.240 -#
   7.241 -CONFIG_IDE=y
   7.242 -CONFIG_BLK_DEV_IDE=y
   7.243 -
   7.244 -#
   7.245 -# Please see Documentation/ide.txt for help/info on IDE drives
   7.246 -#
   7.247 -# CONFIG_BLK_DEV_IDE_SATA is not set
   7.248 -# CONFIG_BLK_DEV_HD_IDE is not set
   7.249 -CONFIG_BLK_DEV_IDEDISK=y
   7.250 -# CONFIG_IDEDISK_MULTI_MODE is not set
   7.251 -CONFIG_BLK_DEV_IDECD=y
   7.252 -# CONFIG_BLK_DEV_IDETAPE is not set
   7.253 -# CONFIG_BLK_DEV_IDEFLOPPY is not set
   7.254 -# CONFIG_BLK_DEV_IDESCSI is not set
   7.255 -# CONFIG_IDE_TASK_IOCTL is not set
   7.256 -
   7.257 -#
   7.258 -# IDE chipset support/bugfixes
   7.259 -#
   7.260 -CONFIG_IDE_GENERIC=y
   7.261 -# CONFIG_BLK_DEV_CMD640 is not set
   7.262 -CONFIG_BLK_DEV_IDEPCI=y
   7.263 -# CONFIG_IDEPCI_SHARE_IRQ is not set
   7.264 -# CONFIG_BLK_DEV_OFFBOARD is not set
   7.265 -CONFIG_BLK_DEV_GENERIC=y
   7.266 -# CONFIG_BLK_DEV_OPTI621 is not set
   7.267 -# CONFIG_BLK_DEV_RZ1000 is not set
   7.268 -CONFIG_BLK_DEV_IDEDMA_PCI=y
   7.269 -# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
   7.270 -CONFIG_IDEDMA_PCI_AUTO=y
   7.271 -# CONFIG_IDEDMA_ONLYDISK is not set
   7.272 -# CONFIG_BLK_DEV_AEC62XX is not set
   7.273 -# CONFIG_BLK_DEV_ALI15X3 is not set
   7.274 -# CONFIG_BLK_DEV_AMD74XX is not set
   7.275 -# CONFIG_BLK_DEV_ATIIXP is not set
   7.276 -# CONFIG_BLK_DEV_CMD64X is not set
   7.277 -# CONFIG_BLK_DEV_TRIFLEX is not set
   7.278 -# CONFIG_BLK_DEV_CY82C693 is not set
   7.279 -# CONFIG_BLK_DEV_CS5520 is not set
   7.280 -# CONFIG_BLK_DEV_CS5530 is not set
   7.281 -# CONFIG_BLK_DEV_HPT34X is not set
   7.282 -# CONFIG_BLK_DEV_HPT366 is not set
   7.283 -# CONFIG_BLK_DEV_SC1200 is not set
   7.284 -CONFIG_BLK_DEV_PIIX=y
   7.285 -# CONFIG_BLK_DEV_NS87415 is not set
   7.286 -# CONFIG_BLK_DEV_PDC202XX_OLD is not set
   7.287 -# CONFIG_BLK_DEV_PDC202XX_NEW is not set
   7.288 -CONFIG_BLK_DEV_SVWKS=y
   7.289 -# CONFIG_BLK_DEV_SIIMAGE is not set
   7.290 -# CONFIG_BLK_DEV_SIS5513 is not set
   7.291 -# CONFIG_BLK_DEV_SLC90E66 is not set
   7.292 -# CONFIG_BLK_DEV_TRM290 is not set
   7.293 -# CONFIG_BLK_DEV_VIA82CXXX is not set
   7.294 -# CONFIG_IDE_ARM is not set
   7.295 -# CONFIG_IDE_CHIPSETS is not set
   7.296 -CONFIG_BLK_DEV_IDEDMA=y
   7.297 -# CONFIG_IDEDMA_IVB is not set
   7.298 -CONFIG_IDEDMA_AUTO=y
   7.299 -# CONFIG_BLK_DEV_HD is not set
   7.300 -
   7.301 -#
   7.302 -# SCSI device support
   7.303 -#
   7.304 -CONFIG_SCSI=y
   7.305 -CONFIG_SCSI_PROC_FS=y
   7.306 -
   7.307 -#
   7.308 -# SCSI support type (disk, tape, CD-ROM)
   7.309 -#
   7.310 -CONFIG_BLK_DEV_SD=y
   7.311 -# CONFIG_CHR_DEV_ST is not set
   7.312 -# CONFIG_CHR_DEV_OSST is not set
   7.313 -# CONFIG_BLK_DEV_SR is not set
   7.314 -# CONFIG_CHR_DEV_SG is not set
   7.315 -
   7.316 -#
   7.317 -# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
   7.318 -#
   7.319 -# CONFIG_SCSI_MULTI_LUN is not set
   7.320 -# CONFIG_SCSI_CONSTANTS is not set
   7.321 -# CONFIG_SCSI_LOGGING is not set
   7.322 -
   7.323 -#
   7.324 -# SCSI Transport Attributes
   7.325 -#
   7.326 -# CONFIG_SCSI_SPI_ATTRS is not set
   7.327 -# CONFIG_SCSI_FC_ATTRS is not set
   7.328 -
   7.329 -#
   7.330 -# SCSI low-level drivers
   7.331 -#
   7.332 -CONFIG_BLK_DEV_3W_XXXX_RAID=y
   7.333 -# CONFIG_SCSI_3W_9XXX is not set
   7.334 -# CONFIG_SCSI_7000FASST is not set
   7.335 -# CONFIG_SCSI_ACARD is not set
   7.336 -# CONFIG_SCSI_AHA152X is not set
   7.337 -# CONFIG_SCSI_AHA1542 is not set
   7.338 -CONFIG_SCSI_AACRAID=y
   7.339 -CONFIG_SCSI_AIC7XXX=y
   7.340 -CONFIG_AIC7XXX_CMDS_PER_DEVICE=32
   7.341 -CONFIG_AIC7XXX_RESET_DELAY_MS=15000
   7.342 -CONFIG_AIC7XXX_DEBUG_ENABLE=y
   7.343 -CONFIG_AIC7XXX_DEBUG_MASK=0
   7.344 -CONFIG_AIC7XXX_REG_PRETTY_PRINT=y
   7.345 -# CONFIG_SCSI_AIC7XXX_OLD is not set
   7.346 -CONFIG_SCSI_AIC79XX=y
   7.347 -CONFIG_AIC79XX_CMDS_PER_DEVICE=32
   7.348 -CONFIG_AIC79XX_RESET_DELAY_MS=15000
   7.349 -# CONFIG_AIC79XX_ENABLE_RD_STRM is not set
   7.350 -CONFIG_AIC79XX_DEBUG_ENABLE=y
   7.351 -CONFIG_AIC79XX_DEBUG_MASK=0
   7.352 -CONFIG_AIC79XX_REG_PRETTY_PRINT=y
   7.353 -# CONFIG_SCSI_DPT_I2O is not set
   7.354 -# CONFIG_SCSI_ADVANSYS is not set
   7.355 -# CONFIG_SCSI_IN2000 is not set
   7.356 -# CONFIG_MEGARAID_NEWGEN is not set
   7.357 -# CONFIG_MEGARAID_LEGACY is not set
   7.358 -CONFIG_SCSI_SATA=y
   7.359 -# CONFIG_SCSI_SATA_AHCI is not set
   7.360 -# CONFIG_SCSI_SATA_SVW is not set
   7.361 -CONFIG_SCSI_ATA_PIIX=y
   7.362 -# CONFIG_SCSI_SATA_NV is not set
   7.363 -CONFIG_SCSI_SATA_PROMISE=y
   7.364 -CONFIG_SCSI_SATA_SX4=y
   7.365 -CONFIG_SCSI_SATA_SIL=y
   7.366 -# CONFIG_SCSI_SATA_SIS is not set
   7.367 -# CONFIG_SCSI_SATA_ULI is not set
   7.368 -# CONFIG_SCSI_SATA_VIA is not set
   7.369 -# CONFIG_SCSI_SATA_VITESSE is not set
   7.370 -CONFIG_SCSI_BUSLOGIC=y
   7.371 -# CONFIG_SCSI_OMIT_FLASHPOINT is not set
   7.372 -# CONFIG_SCSI_CPQFCTS is not set
   7.373 -# CONFIG_SCSI_DMX3191D is not set
   7.374 -# CONFIG_SCSI_DTC3280 is not set
   7.375 -# CONFIG_SCSI_EATA is not set
   7.376 -# CONFIG_SCSI_EATA_PIO is not set
   7.377 -# CONFIG_SCSI_FUTURE_DOMAIN is not set
   7.378 -# CONFIG_SCSI_GDTH is not set
   7.379 -# CONFIG_SCSI_GENERIC_NCR5380 is not set
   7.380 -# CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set
   7.381 -# CONFIG_SCSI_IPS is not set
   7.382 -# CONFIG_SCSI_INITIO is not set
   7.383 -# CONFIG_SCSI_INIA100 is not set
   7.384 -# CONFIG_SCSI_NCR53C406A is not set
   7.385 -# CONFIG_SCSI_SYM53C8XX_2 is not set
   7.386 -# CONFIG_SCSI_IPR is not set
   7.387 -# CONFIG_SCSI_PAS16 is not set
   7.388 -# CONFIG_SCSI_PCI2000 is not set
   7.389 -# CONFIG_SCSI_PCI2220I is not set
   7.390 -# CONFIG_SCSI_PSI240I is not set
   7.391 -# CONFIG_SCSI_QLOGIC_FAS is not set
   7.392 -# CONFIG_SCSI_QLOGIC_ISP is not set
   7.393 -# CONFIG_SCSI_QLOGIC_FC is not set
   7.394 -# CONFIG_SCSI_QLOGIC_1280 is not set
   7.395 -CONFIG_SCSI_QLA2XXX=y
   7.396 -# CONFIG_SCSI_QLA21XX is not set
   7.397 -# CONFIG_SCSI_QLA22XX is not set
   7.398 -# CONFIG_SCSI_QLA2300 is not set
   7.399 -# CONFIG_SCSI_QLA2322 is not set
   7.400 -# CONFIG_SCSI_QLA6312 is not set
   7.401 -# CONFIG_SCSI_QLA6322 is not set
   7.402 -# CONFIG_SCSI_SEAGATE is not set
   7.403 -# CONFIG_SCSI_SYM53C416 is not set
   7.404 -# CONFIG_SCSI_DC395x is not set
   7.405 -# CONFIG_SCSI_DC390T is not set
   7.406 -# CONFIG_SCSI_T128 is not set
   7.407 -# CONFIG_SCSI_U14_34F is not set
   7.408 -# CONFIG_SCSI_ULTRASTOR is not set
   7.409 -# CONFIG_SCSI_NSP32 is not set
   7.410 -# CONFIG_SCSI_DEBUG is not set
   7.411 -
   7.412 -#
   7.413 -# Old CD-ROM drivers (not SCSI, not IDE)
   7.414 -#
   7.415 -# CONFIG_CD_NO_IDESCSI is not set
   7.416 -
   7.417 -#
   7.418 -# Multi-device support (RAID and LVM)
   7.419 -#
   7.420 -CONFIG_MD=y
   7.421 -CONFIG_BLK_DEV_MD=y
   7.422 -# CONFIG_MD_LINEAR is not set
   7.423 -CONFIG_MD_RAID0=y
   7.424 -CONFIG_MD_RAID1=y
   7.425 -# CONFIG_MD_RAID10 is not set
   7.426 -CONFIG_MD_RAID5=y
   7.427 -# CONFIG_MD_RAID6 is not set
   7.428 -# CONFIG_MD_MULTIPATH is not set
   7.429 -# CONFIG_MD_FAULTY is not set
   7.430 -CONFIG_BLK_DEV_DM=y
   7.431 -# CONFIG_DM_CRYPT is not set
   7.432 -CONFIG_DM_SNAPSHOT=y
   7.433 -CONFIG_DM_MIRROR=y
   7.434 -# CONFIG_DM_ZERO is not set
   7.435 -
   7.436 -#
   7.437 -# Fusion MPT device support
   7.438 -#
   7.439 -# CONFIG_FUSION is not set
   7.440 -
   7.441 -#
   7.442 -# IEEE 1394 (FireWire) support
   7.443 -#
   7.444 -# CONFIG_IEEE1394 is not set
   7.445 -
   7.446 -#
   7.447 -# I2O device support
   7.448 -#
   7.449 -# CONFIG_I2O is not set
   7.450 -
   7.451 -#
   7.452 -# Networking support
   7.453 -#
   7.454 -CONFIG_NET=y
   7.455 -
   7.456 -#
   7.457 -# Networking options
   7.458 -#
   7.459 -CONFIG_PACKET=y
   7.460 -# CONFIG_PACKET_MMAP is not set
   7.461 -# CONFIG_NETLINK_DEV is not set
   7.462 -CONFIG_UNIX=y
   7.463 -# CONFIG_NET_KEY is not set
   7.464 -CONFIG_INET=y
   7.465 -# CONFIG_IP_MULTICAST is not set
   7.466 -# CONFIG_IP_ADVANCED_ROUTER is not set
   7.467 -CONFIG_IP_PNP=y
   7.468 -CONFIG_IP_PNP_DHCP=y
   7.469 -# CONFIG_IP_PNP_BOOTP is not set
   7.470 -# CONFIG_IP_PNP_RARP is not set
   7.471 -# CONFIG_NET_IPIP is not set
   7.472 -# CONFIG_NET_IPGRE is not set
   7.473 -# CONFIG_ARPD is not set
   7.474 -# CONFIG_SYN_COOKIES is not set
   7.475 -# CONFIG_INET_AH is not set
   7.476 -# CONFIG_INET_ESP is not set
   7.477 -# CONFIG_INET_IPCOMP is not set
   7.478 -# CONFIG_INET_TUNNEL is not set
   7.479 -CONFIG_IP_TCPDIAG=y
   7.480 -# CONFIG_IP_TCPDIAG_IPV6 is not set
   7.481 -
   7.482 -#
   7.483 -# IP: Virtual Server Configuration
   7.484 -#
   7.485 -# CONFIG_IP_VS is not set
   7.486 -# CONFIG_IPV6 is not set
   7.487 -CONFIG_NETFILTER=y
   7.488 -# CONFIG_NETFILTER_DEBUG is not set
   7.489 -CONFIG_BRIDGE_NETFILTER=y
   7.490 -
   7.491 -#
   7.492 -# IP: Netfilter Configuration
   7.493 -#
   7.494 -CONFIG_IP_NF_CONNTRACK=m
   7.495 -CONFIG_IP_NF_CT_ACCT=y
   7.496 -# CONFIG_IP_NF_CONNTRACK_MARK is not set
   7.497 -# CONFIG_IP_NF_CT_PROTO_SCTP is not set
   7.498 -CONFIG_IP_NF_FTP=m
   7.499 -# CONFIG_IP_NF_IRC is not set
   7.500 -# CONFIG_IP_NF_TFTP is not set
   7.501 -# CONFIG_IP_NF_AMANDA is not set
   7.502 -# CONFIG_IP_NF_QUEUE is not set
   7.503 -CONFIG_IP_NF_IPTABLES=m
   7.504 -# CONFIG_IP_NF_MATCH_LIMIT is not set
   7.505 -CONFIG_IP_NF_MATCH_IPRANGE=m
   7.506 -# CONFIG_IP_NF_MATCH_MAC is not set
   7.507 -# CONFIG_IP_NF_MATCH_PKTTYPE is not set
   7.508 -# CONFIG_IP_NF_MATCH_MARK is not set
   7.509 -# CONFIG_IP_NF_MATCH_MULTIPORT is not set
   7.510 -# CONFIG_IP_NF_MATCH_TOS is not set
   7.511 -# CONFIG_IP_NF_MATCH_RECENT is not set
   7.512 -# CONFIG_IP_NF_MATCH_ECN is not set
   7.513 -# CONFIG_IP_NF_MATCH_DSCP is not set
   7.514 -# CONFIG_IP_NF_MATCH_AH_ESP is not set
   7.515 -# CONFIG_IP_NF_MATCH_LENGTH is not set
   7.516 -# CONFIG_IP_NF_MATCH_TTL is not set
   7.517 -# CONFIG_IP_NF_MATCH_TCPMSS is not set
   7.518 -# CONFIG_IP_NF_MATCH_HELPER is not set
   7.519 -# CONFIG_IP_NF_MATCH_STATE is not set
   7.520 -# CONFIG_IP_NF_MATCH_CONNTRACK is not set
   7.521 -# CONFIG_IP_NF_MATCH_OWNER is not set
   7.522 -# CONFIG_IP_NF_MATCH_PHYSDEV is not set
   7.523 -# CONFIG_IP_NF_MATCH_ADDRTYPE is not set
   7.524 -# CONFIG_IP_NF_MATCH_REALM is not set
   7.525 -# CONFIG_IP_NF_MATCH_SCTP is not set
   7.526 -# CONFIG_IP_NF_MATCH_COMMENT is not set
   7.527 -# CONFIG_IP_NF_MATCH_HASHLIMIT is not set
   7.528 -CONFIG_IP_NF_FILTER=m
   7.529 -CONFIG_IP_NF_TARGET_REJECT=m
   7.530 -# CONFIG_IP_NF_TARGET_LOG is not set
   7.531 -# CONFIG_IP_NF_TARGET_ULOG is not set
   7.532 -# CONFIG_IP_NF_TARGET_TCPMSS is not set
   7.533 -CONFIG_IP_NF_NAT=m
   7.534 -CONFIG_IP_NF_NAT_NEEDED=y
   7.535 -CONFIG_IP_NF_TARGET_MASQUERADE=m
   7.536 -# CONFIG_IP_NF_TARGET_REDIRECT is not set
   7.537 -# CONFIG_IP_NF_TARGET_NETMAP is not set
   7.538 -# CONFIG_IP_NF_TARGET_SAME is not set
   7.539 -# CONFIG_IP_NF_NAT_LOCAL is not set
   7.540 -# CONFIG_IP_NF_NAT_SNMP_BASIC is not set
   7.541 -CONFIG_IP_NF_NAT_FTP=m
   7.542 -# CONFIG_IP_NF_MANGLE is not set
   7.543 -# CONFIG_IP_NF_RAW is not set
   7.544 -# CONFIG_IP_NF_ARPTABLES is not set
   7.545 -# CONFIG_IP_NF_COMPAT_IPCHAINS is not set
   7.546 -# CONFIG_IP_NF_COMPAT_IPFWADM is not set
   7.547 -
   7.548 -#
   7.549 -# Bridge: Netfilter Configuration
   7.550 -#
   7.551 -# CONFIG_BRIDGE_NF_EBTABLES is not set
   7.552 -
   7.553 -#
   7.554 -# SCTP Configuration (EXPERIMENTAL)
   7.555 -#
   7.556 -# CONFIG_IP_SCTP is not set
   7.557 -# CONFIG_ATM is not set
   7.558 -CONFIG_BRIDGE=y
   7.559 -# CONFIG_VLAN_8021Q is not set
   7.560 -# CONFIG_DECNET is not set
   7.561 -# CONFIG_LLC2 is not set
   7.562 -# CONFIG_IPX is not set
   7.563 -# CONFIG_ATALK is not set
   7.564 -# CONFIG_X25 is not set
   7.565 -# CONFIG_LAPB is not set
   7.566 -# CONFIG_NET_DIVERT is not set
   7.567 -# CONFIG_ECONET is not set
   7.568 -# CONFIG_WAN_ROUTER is not set
   7.569 -
   7.570 -#
   7.571 -# QoS and/or fair queueing
   7.572 -#
   7.573 -# CONFIG_NET_SCHED is not set
   7.574 -# CONFIG_NET_CLS_ROUTE is not set
   7.575 -
   7.576 -#
   7.577 -# Network testing
   7.578 -#
   7.579 -# CONFIG_NET_PKTGEN is not set
   7.580 -# CONFIG_NETPOLL is not set
   7.581 -# CONFIG_NET_POLL_CONTROLLER is not set
   7.582 -# CONFIG_HAMRADIO is not set
   7.583 -# CONFIG_IRDA is not set
   7.584 -# CONFIG_BT is not set
   7.585 -CONFIG_NETDEVICES=y
   7.586 -# CONFIG_DUMMY is not set
   7.587 -# CONFIG_BONDING is not set
   7.588 -# CONFIG_EQUALIZER is not set
   7.589 -# CONFIG_TUN is not set
   7.590 -
   7.591 -#
   7.592 -# ARCnet devices
   7.593 -#
   7.594 -# CONFIG_ARCNET is not set
   7.595 -
   7.596 -#
   7.597 -# Ethernet (10 or 100Mbit)
   7.598 -#
   7.599 -CONFIG_NET_ETHERNET=y
   7.600 -CONFIG_MII=y
   7.601 -# CONFIG_HAPPYMEAL is not set
   7.602 -# CONFIG_SUNGEM is not set
   7.603 -CONFIG_NET_VENDOR_3COM=y
   7.604 -# CONFIG_EL1 is not set
   7.605 -# CONFIG_EL2 is not set
   7.606 -# CONFIG_ELPLUS is not set
   7.607 -# CONFIG_EL16 is not set
   7.608 -# CONFIG_EL3 is not set
   7.609 -# CONFIG_3C515 is not set
   7.610 -CONFIG_VORTEX=y
   7.611 -# CONFIG_TYPHOON is not set
   7.612 -# CONFIG_LANCE is not set
   7.613 -# CONFIG_NET_VENDOR_SMC is not set
   7.614 -# CONFIG_NET_VENDOR_RACAL is not set
   7.615 -
   7.616 -#
   7.617 -# Tulip family network device support
   7.618 -#
   7.619 -CONFIG_NET_TULIP=y
   7.620 -# CONFIG_DE2104X is not set
   7.621 -CONFIG_TULIP=y
   7.622 -# CONFIG_TULIP_MWI is not set
   7.623 -# CONFIG_TULIP_MMIO is not set
   7.624 -# CONFIG_TULIP_NAPI is not set
   7.625 -# CONFIG_DE4X5 is not set
   7.626 -# CONFIG_WINBOND_840 is not set
   7.627 -# CONFIG_DM9102 is not set
   7.628 -# CONFIG_AT1700 is not set
   7.629 -# CONFIG_DEPCA is not set
   7.630 -# CONFIG_HP100 is not set
   7.631 -# CONFIG_NET_ISA is not set
   7.632 -CONFIG_NET_PCI=y
   7.633 -CONFIG_PCNET32=y
   7.634 -# CONFIG_AMD8111_ETH is not set
   7.635 -# CONFIG_ADAPTEC_STARFIRE is not set
   7.636 -# CONFIG_AC3200 is not set
   7.637 -# CONFIG_APRICOT is not set
   7.638 -# CONFIG_B44 is not set
   7.639 -# CONFIG_FORCEDETH is not set
   7.640 -# CONFIG_CS89x0 is not set
   7.641 -# CONFIG_DGRS is not set
   7.642 -# CONFIG_EEPRO100 is not set
   7.643 -CONFIG_E100=y
   7.644 -# CONFIG_E100_NAPI is not set
   7.645 -# CONFIG_FEALNX is not set
   7.646 -# CONFIG_NATSEMI is not set
   7.647 -CONFIG_NE2K_PCI=y
   7.648 -# CONFIG_8139CP is not set
   7.649 -CONFIG_8139TOO=y
   7.650 -CONFIG_8139TOO_PIO=y
   7.651 -# CONFIG_8139TOO_TUNE_TWISTER is not set
   7.652 -# CONFIG_8139TOO_8129 is not set
   7.653 -# CONFIG_8139_OLD_RX_RESET is not set
   7.654 -# CONFIG_SIS900 is not set
   7.655 -# CONFIG_EPIC100 is not set
   7.656 -# CONFIG_SUNDANCE is not set
   7.657 -# CONFIG_TLAN is not set
   7.658 -CONFIG_VIA_RHINE=y
   7.659 -# CONFIG_VIA_RHINE_MMIO is not set
   7.660 -# CONFIG_NET_POCKET is not set
   7.661 -
   7.662 -#
   7.663 -# Ethernet (1000 Mbit)
   7.664 -#
   7.665 -CONFIG_ACENIC=y
   7.666 -# CONFIG_ACENIC_OMIT_TIGON_I is not set
   7.667 -# CONFIG_DL2K is not set
   7.668 -CONFIG_E1000=y
   7.669 -# CONFIG_E1000_NAPI is not set
   7.670 -# CONFIG_NS83820 is not set
   7.671 -# CONFIG_HAMACHI is not set
   7.672 -# CONFIG_YELLOWFIN is not set
   7.673 -# CONFIG_R8169 is not set
   7.674 -# CONFIG_SK98LIN is not set
   7.675 -# CONFIG_VIA_VELOCITY is not set
   7.676 -CONFIG_TIGON3=y
   7.677 -
   7.678 -#
   7.679 -# Ethernet (10000 Mbit)
   7.680 -#
   7.681 -# CONFIG_IXGB is not set
   7.682 -# CONFIG_S2IO is not set
   7.683 -
   7.684 -#
   7.685 -# Token Ring devices
   7.686 -#
   7.687 -# CONFIG_TR is not set
   7.688 -
   7.689 -#
   7.690 -# Wireless LAN (non-hamradio)
   7.691 -#
   7.692 -# CONFIG_NET_RADIO is not set
   7.693 -
   7.694 -#
   7.695 -# Wan interfaces
   7.696 -#
   7.697 -# CONFIG_WAN is not set
   7.698 -# CONFIG_FDDI is not set
   7.699 -# CONFIG_HIPPI is not set
   7.700 -# CONFIG_PPP is not set
   7.701 -# CONFIG_SLIP is not set
   7.702 -# CONFIG_NET_FC is not set
   7.703 -# CONFIG_SHAPER is not set
   7.704 -# CONFIG_NETCONSOLE is not set
   7.705 -
   7.706 -#
   7.707 -# ISDN subsystem
   7.708 -#
   7.709 -# CONFIG_ISDN is not set
   7.710 -
   7.711 -#
   7.712 -# Telephony Support
   7.713 -#
   7.714 -# CONFIG_PHONE is not set
   7.715 -
   7.716 -#
   7.717 -# Input device support
   7.718 -#
   7.719 -CONFIG_INPUT=y
   7.720 -
   7.721 -#
   7.722 -# Userland interfaces
   7.723 -#
   7.724 -CONFIG_INPUT_MOUSEDEV=y
   7.725 -CONFIG_INPUT_MOUSEDEV_PSAUX=y
   7.726 -CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
   7.727 -CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
   7.728 -# CONFIG_INPUT_JOYDEV is not set
   7.729 -# CONFIG_INPUT_TSDEV is not set
   7.730 -# CONFIG_INPUT_EVDEV is not set
   7.731 -# CONFIG_INPUT_EVBUG is not set
   7.732 -
   7.733 -#
   7.734 -# Input I/O drivers
   7.735 -#
   7.736 -# CONFIG_GAMEPORT is not set
   7.737 -CONFIG_SOUND_GAMEPORT=y
   7.738 -CONFIG_SERIO=y
   7.739 -CONFIG_SERIO_I8042=y
   7.740 -CONFIG_SERIO_SERPORT=y
   7.741 -# CONFIG_SERIO_CT82C710 is not set
   7.742 -# CONFIG_SERIO_PCIPS2 is not set
   7.743 -# CONFIG_SERIO_RAW is not set
   7.744 -
   7.745 -#
   7.746 -# Input Device Drivers
   7.747 -#
   7.748 -CONFIG_INPUT_KEYBOARD=y
   7.749 -CONFIG_KEYBOARD_ATKBD=y
   7.750 -# CONFIG_KEYBOARD_SUNKBD is not set
   7.751 -# CONFIG_KEYBOARD_LKKBD is not set
   7.752 -# CONFIG_KEYBOARD_XTKBD is not set
   7.753 -# CONFIG_KEYBOARD_NEWTON is not set
   7.754 -CONFIG_INPUT_MOUSE=y
   7.755 -CONFIG_MOUSE_PS2=y
   7.756 -# CONFIG_MOUSE_SERIAL is not set
   7.757 -# CONFIG_MOUSE_INPORT is not set
   7.758 -# CONFIG_MOUSE_LOGIBM is not set
   7.759 -# CONFIG_MOUSE_PC110PAD is not set
   7.760 -# CONFIG_MOUSE_VSXXXAA is not set
   7.761 -# CONFIG_INPUT_JOYSTICK is not set
   7.762 -# CONFIG_INPUT_TOUCHSCREEN is not set
   7.763 -# CONFIG_INPUT_MISC is not set
   7.764 -
   7.765 -#
   7.766 -# Character devices
   7.767 -#
   7.768 -CONFIG_VT=y
   7.769 -CONFIG_VT_CONSOLE=y
   7.770 -CONFIG_HW_CONSOLE=y
   7.771 -# CONFIG_SERIAL_NONSTANDARD is not set
   7.772 -
   7.773 -#
   7.774 -# Serial drivers
   7.775 -#
   7.776 -# CONFIG_SERIAL_8250 is not set
   7.777 -
   7.778 -#
   7.779 -# Non-8250 serial port support
   7.780 -#
   7.781 -CONFIG_UNIX98_PTYS=y
   7.782 -CONFIG_LEGACY_PTYS=y
   7.783 -CONFIG_LEGACY_PTY_COUNT=256
   7.784 -
   7.785 -#
   7.786 -# IPMI
   7.787 -#
   7.788 -# CONFIG_IPMI_HANDLER is not set
   7.789 -
   7.790 -#
   7.791 -# Watchdog Cards
   7.792 -#
   7.793 -# CONFIG_WATCHDOG is not set
   7.794 -# CONFIG_HW_RANDOM is not set
   7.795 -# CONFIG_NVRAM is not set
   7.796 -# CONFIG_RTC is not set
   7.797 -# CONFIG_GEN_RTC is not set
   7.798 -# CONFIG_DTLK is not set
   7.799 -# CONFIG_R3964 is not set
   7.800 -# CONFIG_APPLICOM is not set
   7.801 -# CONFIG_SONYPI is not set
   7.802 -
   7.803 -#
   7.804 -# Ftape, the floppy tape device driver
   7.805 -#
   7.806 -# CONFIG_FTAPE is not set
   7.807 -CONFIG_AGP=m
   7.808 -CONFIG_AGP_ALI=m
   7.809 -CONFIG_AGP_ATI=m
   7.810 -CONFIG_AGP_AMD=m
   7.811 -CONFIG_AGP_AMD64=m
   7.812 -CONFIG_AGP_INTEL=m
   7.813 -CONFIG_AGP_INTEL_MCH=m
   7.814 -CONFIG_AGP_NVIDIA=m
   7.815 -CONFIG_AGP_SIS=m
   7.816 -CONFIG_AGP_SWORKS=m
   7.817 -CONFIG_AGP_VIA=m
   7.818 -# CONFIG_AGP_EFFICEON is not set
   7.819 -CONFIG_DRM=y
   7.820 -CONFIG_DRM_TDFX=m
   7.821 -# CONFIG_DRM_GAMMA is not set
   7.822 -CONFIG_DRM_R128=m
   7.823 -CONFIG_DRM_RADEON=m
   7.824 -CONFIG_DRM_I810=m
   7.825 -CONFIG_DRM_I830=m
   7.826 -CONFIG_DRM_I915=m
   7.827 -CONFIG_DRM_MGA=m
   7.828 -CONFIG_DRM_SIS=m
   7.829 -# CONFIG_MWAVE is not set
   7.830 -# CONFIG_RAW_DRIVER is not set
   7.831 -# CONFIG_HANGCHECK_TIMER is not set
   7.832 -
   7.833 -#
   7.834 -# I2C support
   7.835 -#
   7.836 -# CONFIG_I2C is not set
   7.837 -
   7.838 -#
   7.839 -# Dallas's 1-wire bus
   7.840 -#
   7.841 -# CONFIG_W1 is not set
   7.842 -
   7.843 -#
   7.844 -# Misc devices
   7.845 -#
   7.846 -# CONFIG_IBM_ASM is not set
   7.847 -
   7.848 -#
   7.849 -# Multimedia devices
   7.850 -#
   7.851 -# CONFIG_VIDEO_DEV is not set
   7.852 -
   7.853 -#
   7.854 -# Digital Video Broadcasting Devices
   7.855 -#
   7.856 -# CONFIG_DVB is not set
   7.857 -
   7.858 -#
   7.859 -# Graphics support
   7.860 -#
   7.861 -# CONFIG_FB is not set
   7.862 -# CONFIG_VIDEO_SELECT is not set
   7.863 -
   7.864 -#
   7.865 -# Console display driver support
   7.866 -#
   7.867 -CONFIG_VGA_CONSOLE=y
   7.868 -# CONFIG_MDA_CONSOLE is not set
   7.869 -CONFIG_DUMMY_CONSOLE=y
   7.870 -
   7.871 -#
   7.872 -# Sound
   7.873 -#
   7.874 -# CONFIG_SOUND is not set
   7.875 -
   7.876 -#
   7.877 -# USB support
   7.878 -#
   7.879 -# CONFIG_USB is not set
   7.880 -CONFIG_USB_ARCH_HAS_HCD=y
   7.881 -CONFIG_USB_ARCH_HAS_OHCI=y
   7.882 -
   7.883 -#
   7.884 -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
   7.885 -#
   7.886 -
   7.887 -#
   7.888 -# USB Gadget Support
   7.889 -#
   7.890 -# CONFIG_USB_GADGET is not set
   7.891 -
   7.892 -#
   7.893 -# File systems
   7.894 -#
   7.895 -CONFIG_EXT2_FS=y
   7.896 -# CONFIG_EXT2_FS_XATTR is not set
   7.897 -CONFIG_EXT3_FS=y
   7.898 -CONFIG_EXT3_FS_XATTR=y
   7.899 -# CONFIG_EXT3_FS_POSIX_ACL is not set
   7.900 -# CONFIG_EXT3_FS_SECURITY is not set
   7.901 -CONFIG_JBD=y
   7.902 -# CONFIG_JBD_DEBUG is not set
   7.903 -CONFIG_FS_MBCACHE=y
   7.904 -CONFIG_REISERFS_FS=y
   7.905 -# CONFIG_REISERFS_CHECK is not set
   7.906 -# CONFIG_REISERFS_PROC_INFO is not set
   7.907 -# CONFIG_REISERFS_FS_XATTR is not set
   7.908 -# CONFIG_JFS_FS is not set
   7.909 -# CONFIG_XFS_FS is not set
   7.910 -# CONFIG_MINIX_FS is not set
   7.911 -# CONFIG_ROMFS_FS is not set
   7.912 -# CONFIG_QUOTA is not set
   7.913 -CONFIG_DNOTIFY=y
   7.914 -# CONFIG_AUTOFS_FS is not set
   7.915 -# CONFIG_AUTOFS4_FS is not set
   7.916 -
   7.917 -#
   7.918 -# CD-ROM/DVD Filesystems
   7.919 -#
   7.920 -CONFIG_ISO9660_FS=y
   7.921 -CONFIG_JOLIET=y
   7.922 -CONFIG_ZISOFS=y
   7.923 -CONFIG_ZISOFS_FS=y
   7.924 -# CONFIG_UDF_FS is not set
   7.925 -
   7.926 -#
   7.927 -# DOS/FAT/NT Filesystems
   7.928 -#
   7.929 -CONFIG_FAT_FS=m
   7.930 -CONFIG_MSDOS_FS=m
   7.931 -CONFIG_VFAT_FS=m
   7.932 -CONFIG_FAT_DEFAULT_CODEPAGE=437
   7.933 -CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
   7.934 -# CONFIG_NTFS_FS is not set
   7.935 -
   7.936 -#
   7.937 -# Pseudo filesystems
   7.938 -#
   7.939 -CONFIG_PROC_FS=y
   7.940 -CONFIG_PROC_KCORE=y
   7.941 -CONFIG_SYSFS=y
   7.942 -# CONFIG_DEVFS_FS is not set
   7.943 -# CONFIG_DEVPTS_FS_XATTR is not set
   7.944 -CONFIG_TMPFS=y
   7.945 -# CONFIG_TMPFS_XATTR is not set
   7.946 -# CONFIG_HUGETLBFS is not set
   7.947 -# CONFIG_HUGETLB_PAGE is not set
   7.948 -CONFIG_RAMFS=y
   7.949 -
   7.950 -#
   7.951 -# Miscellaneous filesystems
   7.952 -#
   7.953 -# CONFIG_ADFS_FS is not set
   7.954 -# CONFIG_AFFS_FS is not set
   7.955 -# CONFIG_HFS_FS is not set
   7.956 -# CONFIG_HFSPLUS_FS is not set
   7.957 -# CONFIG_BEFS_FS is not set
   7.958 -# CONFIG_BFS_FS is not set
   7.959 -# CONFIG_EFS_FS is not set
   7.960 -# CONFIG_CRAMFS is not set
   7.961 -# CONFIG_VXFS_FS is not set
   7.962 -# CONFIG_HPFS_FS is not set
   7.963 -# CONFIG_QNX4FS_FS is not set
   7.964 -# CONFIG_SYSV_FS is not set
   7.965 -# CONFIG_UFS_FS is not set
   7.966 -
   7.967 -#
   7.968 -# Network File Systems
   7.969 -#
   7.970 -CONFIG_NFS_FS=y
   7.971 -CONFIG_NFS_V3=y
   7.972 -# CONFIG_NFS_V4 is not set
   7.973 -# CONFIG_NFS_DIRECTIO is not set
   7.974 -CONFIG_NFSD=m
   7.975 -CONFIG_NFSD_V3=y
   7.976 -# CONFIG_NFSD_V4 is not set
   7.977 -CONFIG_NFSD_TCP=y
   7.978 -CONFIG_ROOT_NFS=y
   7.979 -CONFIG_LOCKD=y
   7.980 -CONFIG_LOCKD_V4=y
   7.981 -CONFIG_EXPORTFS=m
   7.982 -CONFIG_SUNRPC=y
   7.983 -# CONFIG_RPCSEC_GSS_KRB5 is not set
   7.984 -# CONFIG_RPCSEC_GSS_SPKM3 is not set
   7.985 -# CONFIG_SMB_FS is not set
   7.986 -# CONFIG_CIFS is not set
   7.987 -# CONFIG_NCP_FS is not set
   7.988 -# CONFIG_CODA_FS is not set
   7.989 -# CONFIG_AFS_FS is not set
   7.990 -
   7.991 -#
   7.992 -# Partition Types
   7.993 -#
   7.994 -# CONFIG_PARTITION_ADVANCED is not set
   7.995 -CONFIG_MSDOS_PARTITION=y
   7.996 -
   7.997 -#
   7.998 -# Native Language Support
   7.999 -#
  7.1000 -CONFIG_NLS=y
  7.1001 -CONFIG_NLS_DEFAULT="iso8859-1"
  7.1002 -CONFIG_NLS_CODEPAGE_437=y
  7.1003 -# CONFIG_NLS_CODEPAGE_737 is not set
  7.1004 -# CONFIG_NLS_CODEPAGE_775 is not set
  7.1005 -# CONFIG_NLS_CODEPAGE_850 is not set
  7.1006 -# CONFIG_NLS_CODEPAGE_852 is not set
  7.1007 -# CONFIG_NLS_CODEPAGE_855 is not set
  7.1008 -# CONFIG_NLS_CODEPAGE_857 is not set
  7.1009 -# CONFIG_NLS_CODEPAGE_860 is not set
  7.1010 -# CONFIG_NLS_CODEPAGE_861 is not set
  7.1011 -# CONFIG_NLS_CODEPAGE_862 is not set
  7.1012 -# CONFIG_NLS_CODEPAGE_863 is not set
  7.1013 -# CONFIG_NLS_CODEPAGE_864 is not set
  7.1014 -# CONFIG_NLS_CODEPAGE_865 is not set
  7.1015 -# CONFIG_NLS_CODEPAGE_866 is not set
  7.1016 -# CONFIG_NLS_CODEPAGE_869 is not set
  7.1017 -# CONFIG_NLS_CODEPAGE_936 is not set
  7.1018 -# CONFIG_NLS_CODEPAGE_950 is not set
  7.1019 -# CONFIG_NLS_CODEPAGE_932 is not set
  7.1020 -# CONFIG_NLS_CODEPAGE_949 is not set
  7.1021 -# CONFIG_NLS_CODEPAGE_874 is not set
  7.1022 -# CONFIG_NLS_ISO8859_8 is not set
  7.1023 -# CONFIG_NLS_CODEPAGE_1250 is not set
  7.1024 -# CONFIG_NLS_CODEPAGE_1251 is not set
  7.1025 -# CONFIG_NLS_ASCII is not set
  7.1026 -CONFIG_NLS_ISO8859_1=y
  7.1027 -# CONFIG_NLS_ISO8859_2 is not set
  7.1028 -# CONFIG_NLS_ISO8859_3 is not set
  7.1029 -# CONFIG_NLS_ISO8859_4 is not set
  7.1030 -# CONFIG_NLS_ISO8859_5 is not set
  7.1031 -# CONFIG_NLS_ISO8859_6 is not set
  7.1032 -# CONFIG_NLS_ISO8859_7 is not set
  7.1033 -# CONFIG_NLS_ISO8859_9 is not set
  7.1034 -# CONFIG_NLS_ISO8859_13 is not set
  7.1035 -# CONFIG_NLS_ISO8859_14 is not set
  7.1036 -# CONFIG_NLS_ISO8859_15 is not set
  7.1037 -# CONFIG_NLS_KOI8_R is not set
  7.1038 -# CONFIG_NLS_KOI8_U is not set
  7.1039 -# CONFIG_NLS_UTF8 is not set
  7.1040 -
  7.1041 -#
  7.1042 -# Security options
  7.1043 -#
  7.1044 -# CONFIG_KEYS is not set
  7.1045 -# CONFIG_SECURITY is not set
  7.1046 -
  7.1047 -#
  7.1048 -# Cryptographic options
  7.1049 -#
  7.1050 -CONFIG_CRYPTO=y
  7.1051 -CONFIG_CRYPTO_HMAC=y
  7.1052 -# CONFIG_CRYPTO_NULL is not set
  7.1053 -# CONFIG_CRYPTO_MD4 is not set
  7.1054 -CONFIG_CRYPTO_MD5=m
  7.1055 -CONFIG_CRYPTO_SHA1=m
  7.1056 -# CONFIG_CRYPTO_SHA256 is not set
  7.1057 -# CONFIG_CRYPTO_SHA512 is not set
  7.1058 -# CONFIG_CRYPTO_WP512 is not set
  7.1059 -CONFIG_CRYPTO_DES=m
  7.1060 -# CONFIG_CRYPTO_BLOWFISH is not set
  7.1061 -# CONFIG_CRYPTO_TWOFISH is not set
  7.1062 -# CONFIG_CRYPTO_SERPENT is not set
  7.1063 -# CONFIG_CRYPTO_AES_586 is not set
  7.1064 -# CONFIG_CRYPTO_CAST5 is not set
  7.1065 -# CONFIG_CRYPTO_CAST6 is not set
  7.1066 -# CONFIG_CRYPTO_TEA is not set
  7.1067 -# CONFIG_CRYPTO_ARC4 is not set
  7.1068 -# CONFIG_CRYPTO_KHAZAD is not set
  7.1069 -# CONFIG_CRYPTO_ANUBIS is not set
  7.1070 -# CONFIG_CRYPTO_DEFLATE is not set
  7.1071 -# CONFIG_CRYPTO_MICHAEL_MIC is not set
  7.1072 -CONFIG_CRYPTO_CRC32C=m
  7.1073 -# CONFIG_CRYPTO_TEST is not set
  7.1074 -
  7.1075 -#
  7.1076 -# Library routines
  7.1077 -#
  7.1078 -# CONFIG_CRC_CCITT is not set
  7.1079 -CONFIG_CRC32=y
  7.1080 -CONFIG_LIBCRC32C=y
  7.1081 -CONFIG_ZLIB_INFLATE=y
     8.1 --- a/linux-2.6.10-xen-sparse/arch/xen/configs/xenU_defconfig	Sat Mar 12 14:48:18 2005 +0000
     8.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     8.3 @@ -1,513 +0,0 @@
     8.4 -#
     8.5 -# Automatically generated make config: don't edit
     8.6 -# Linux kernel version: 2.6.10-xenU
     8.7 -# Mon Dec 27 10:15:03 2004
     8.8 -#
     8.9 -CONFIG_XEN=y
    8.10 -CONFIG_ARCH_XEN=y
    8.11 -CONFIG_NO_IDLE_HZ=y
    8.12 -
    8.13 -#
    8.14 -# XEN
    8.15 -#
    8.16 -# CONFIG_XEN_PRIVILEGED_GUEST is not set
    8.17 -# CONFIG_XEN_PHYSDEV_ACCESS is not set
    8.18 -# CONFIG_XEN_BLKDEV_BACKEND is not set
    8.19 -# CONFIG_XEN_NETDEV_BACKEND is not set
    8.20 -CONFIG_XEN_BLKDEV_FRONTEND=y
    8.21 -CONFIG_XEN_NETDEV_FRONTEND=y
    8.22 -# CONFIG_XEN_NETDEV_FRONTEND_PIPELINED_TRANSMITTER is not set
    8.23 -# CONFIG_XEN_BLKDEV_TAP is not set
    8.24 -CONFIG_XEN_WRITABLE_PAGETABLES=y
    8.25 -CONFIG_XEN_SCRUB_PAGES=y
    8.26 -CONFIG_HAVE_ARCH_DEV_ALLOC_SKB=y
    8.27 -CONFIG_X86=y
    8.28 -# CONFIG_X86_64 is not set
    8.29 -
    8.30 -#
    8.31 -# Code maturity level options
    8.32 -#
    8.33 -CONFIG_EXPERIMENTAL=y
    8.34 -CONFIG_CLEAN_COMPILE=y
    8.35 -CONFIG_BROKEN_ON_SMP=y
    8.36 -CONFIG_LOCK_KERNEL=y
    8.37 -
    8.38 -#
    8.39 -# General setup
    8.40 -#
    8.41 -CONFIG_LOCALVERSION=""
    8.42 -CONFIG_SWAP=y
    8.43 -CONFIG_SYSVIPC=y
    8.44 -# CONFIG_POSIX_MQUEUE is not set
    8.45 -# CONFIG_BSD_PROCESS_ACCT is not set
    8.46 -CONFIG_SYSCTL=y
    8.47 -# CONFIG_AUDIT is not set
    8.48 -CONFIG_LOG_BUF_SHIFT=14
    8.49 -CONFIG_HOTPLUG=y
    8.50 -CONFIG_KOBJECT_UEVENT=y
    8.51 -# CONFIG_IKCONFIG is not set
    8.52 -# CONFIG_EMBEDDED is not set
    8.53 -CONFIG_KALLSYMS=y
    8.54 -# CONFIG_KALLSYMS_ALL is not set
    8.55 -# CONFIG_KALLSYMS_EXTRA_PASS is not set
    8.56 -CONFIG_FUTEX=y
    8.57 -CONFIG_EPOLL=y
    8.58 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
    8.59 -CONFIG_SHMEM=y
    8.60 -CONFIG_CC_ALIGN_FUNCTIONS=0
    8.61 -CONFIG_CC_ALIGN_LABELS=0
    8.62 -CONFIG_CC_ALIGN_LOOPS=0
    8.63 -CONFIG_CC_ALIGN_JUMPS=0
    8.64 -# CONFIG_TINY_SHMEM is not set
    8.65 -
    8.66 -#
    8.67 -# Loadable module support
    8.68 -#
    8.69 -CONFIG_MODULES=y
    8.70 -CONFIG_MODULE_UNLOAD=y
    8.71 -# CONFIG_MODULE_FORCE_UNLOAD is not set
    8.72 -CONFIG_OBSOLETE_MODPARM=y
    8.73 -# CONFIG_MODVERSIONS is not set
    8.74 -# CONFIG_MODULE_SRCVERSION_ALL is not set
    8.75 -CONFIG_KMOD=y
    8.76 -
    8.77 -#
    8.78 -# X86 Processor Configuration
    8.79 -#
    8.80 -CONFIG_XENARCH="i386"
    8.81 -CONFIG_MMU=y
    8.82 -CONFIG_UID16=y
    8.83 -CONFIG_GENERIC_ISA_DMA=y
    8.84 -CONFIG_GENERIC_IOMAP=y
    8.85 -# CONFIG_M386 is not set
    8.86 -# CONFIG_M486 is not set
    8.87 -# CONFIG_M586 is not set
    8.88 -# CONFIG_M586TSC is not set
    8.89 -# CONFIG_M586MMX is not set
    8.90 -# CONFIG_M686 is not set
    8.91 -# CONFIG_MPENTIUMII is not set
    8.92 -# CONFIG_MPENTIUMIII is not set
    8.93 -# CONFIG_MPENTIUMM is not set
    8.94 -CONFIG_MPENTIUM4=y
    8.95 -# CONFIG_MK6 is not set
    8.96 -# CONFIG_MK7 is not set
    8.97 -# CONFIG_MK8 is not set
    8.98 -# CONFIG_MCRUSOE is not set
    8.99 -# CONFIG_MEFFICEON is not set
   8.100 -# CONFIG_MWINCHIPC6 is not set
   8.101 -# CONFIG_MWINCHIP2 is not set
   8.102 -# CONFIG_MWINCHIP3D is not set
   8.103 -# CONFIG_MCYRIXIII is not set
   8.104 -# CONFIG_MVIAC3_2 is not set
   8.105 -# CONFIG_X86_GENERIC is not set
   8.106 -CONFIG_X86_CMPXCHG=y
   8.107 -CONFIG_X86_XADD=y
   8.108 -CONFIG_X86_L1_CACHE_SHIFT=7
   8.109 -CONFIG_RWSEM_XCHGADD_ALGORITHM=y
   8.110 -CONFIG_X86_WP_WORKS_OK=y
   8.111 -CONFIG_X86_INVLPG=y
   8.112 -CONFIG_X86_BSWAP=y
   8.113 -CONFIG_X86_POPAD_OK=y
   8.114 -CONFIG_X86_GOOD_APIC=y
   8.115 -CONFIG_X86_INTEL_USERCOPY=y
   8.116 -CONFIG_X86_USE_PPRO_CHECKSUM=y
   8.117 -# CONFIG_HPET_TIMER is not set
   8.118 -# CONFIG_HPET_EMULATE_RTC is not set
   8.119 -# CONFIG_SMP is not set
   8.120 -CONFIG_PREEMPT=y
   8.121 -CONFIG_X86_CPUID=y
   8.122 -
   8.123 -#
   8.124 -# Firmware Drivers
   8.125 -#
   8.126 -# CONFIG_EDD is not set
   8.127 -CONFIG_NOHIGHMEM=y
   8.128 -# CONFIG_HIGHMEM4G is not set
   8.129 -CONFIG_HAVE_DEC_LOCK=y
   8.130 -# CONFIG_REGPARM is not set
   8.131 -
   8.132 -#
   8.133 -# Kernel hacking
   8.134 -#
   8.135 -# CONFIG_DEBUG_KERNEL is not set
   8.136 -CONFIG_EARLY_PRINTK=y
   8.137 -# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
   8.138 -# CONFIG_FRAME_POINTER is not set
   8.139 -# CONFIG_4KSTACKS is not set
   8.140 -CONFIG_GENERIC_HARDIRQS=y
   8.141 -CONFIG_GENERIC_IRQ_PROBE=y
   8.142 -CONFIG_X86_BIOS_REBOOT=y
   8.143 -CONFIG_PC=y
   8.144 -
   8.145 -#
   8.146 -# Executable file formats
   8.147 -#
   8.148 -CONFIG_BINFMT_ELF=y
   8.149 -# CONFIG_BINFMT_AOUT is not set
   8.150 -# CONFIG_BINFMT_MISC is not set
   8.151 -
   8.152 -#
   8.153 -# Device Drivers
   8.154 -#
   8.155 -
   8.156 -#
   8.157 -# Generic Driver Options
   8.158 -#
   8.159 -CONFIG_STANDALONE=y
   8.160 -CONFIG_PREVENT_FIRMWARE_BUILD=y
   8.161 -# CONFIG_FW_LOADER is not set
   8.162 -# CONFIG_DEBUG_DRIVER is not set
   8.163 -
   8.164 -#
   8.165 -# Block devices
   8.166 -#
   8.167 -# CONFIG_BLK_DEV_FD is not set
   8.168 -CONFIG_BLK_DEV_LOOP=m
   8.169 -# CONFIG_BLK_DEV_CRYPTOLOOP is not set
   8.170 -CONFIG_BLK_DEV_NBD=m
   8.171 -CONFIG_BLK_DEV_RAM=y
   8.172 -CONFIG_BLK_DEV_RAM_COUNT=16
   8.173 -CONFIG_BLK_DEV_RAM_SIZE=4096
   8.174 -CONFIG_BLK_DEV_INITRD=y
   8.175 -CONFIG_INITRAMFS_SOURCE=""
   8.176 -# CONFIG_LBD is not set
   8.177 -# CONFIG_CDROM_PKTCDVD is not set
   8.178 -
   8.179 -#
   8.180 -# IO Schedulers
   8.181 -#
   8.182 -CONFIG_IOSCHED_NOOP=y
   8.183 -CONFIG_IOSCHED_AS=y
   8.184 -CONFIG_IOSCHED_DEADLINE=y
   8.185 -CONFIG_IOSCHED_CFQ=y
   8.186 -
   8.187 -#
   8.188 -# SCSI device support
   8.189 -#
   8.190 -CONFIG_SCSI=m
   8.191 -CONFIG_SCSI_PROC_FS=y
   8.192 -
   8.193 -#
   8.194 -# SCSI support type (disk, tape, CD-ROM)
   8.195 -#
   8.196 -CONFIG_BLK_DEV_SD=m
   8.197 -# CONFIG_CHR_DEV_ST is not set
   8.198 -# CONFIG_CHR_DEV_OSST is not set
   8.199 -# CONFIG_BLK_DEV_SR is not set
   8.200 -# CONFIG_CHR_DEV_SG is not set
   8.201 -
   8.202 -#
   8.203 -# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
   8.204 -#
   8.205 -# CONFIG_SCSI_MULTI_LUN is not set
   8.206 -# CONFIG_SCSI_CONSTANTS is not set
   8.207 -# CONFIG_SCSI_LOGGING is not set
   8.208 -
   8.209 -#
   8.210 -# SCSI Transport Attributes
   8.211 -#
   8.212 -# CONFIG_SCSI_SPI_ATTRS is not set
   8.213 -# CONFIG_SCSI_FC_ATTRS is not set
   8.214 -
   8.215 -#
   8.216 -# SCSI low-level drivers
   8.217 -#
   8.218 -# CONFIG_SCSI_SATA is not set
   8.219 -# CONFIG_SCSI_DEBUG is not set
   8.220 -
   8.221 -#
   8.222 -# Multi-device support (RAID and LVM)
   8.223 -#
   8.224 -# CONFIG_MD is not set
   8.225 -
   8.226 -#
   8.227 -# Networking support
   8.228 -#
   8.229 -CONFIG_NET=y
   8.230 -
   8.231 -#
   8.232 -# Networking options
   8.233 -#
   8.234 -CONFIG_PACKET=y
   8.235 -# CONFIG_PACKET_MMAP is not set
   8.236 -# CONFIG_NETLINK_DEV is not set
   8.237 -CONFIG_UNIX=y
   8.238 -# CONFIG_NET_KEY is not set
   8.239 -CONFIG_INET=y
   8.240 -# CONFIG_IP_MULTICAST is not set
   8.241 -# CONFIG_IP_ADVANCED_ROUTER is not set
   8.242 -CONFIG_IP_PNP=y
   8.243 -# CONFIG_IP_PNP_DHCP is not set
   8.244 -# CONFIG_IP_PNP_BOOTP is not set
   8.245 -# CONFIG_IP_PNP_RARP is not set
   8.246 -# CONFIG_NET_IPIP is not set
   8.247 -# CONFIG_NET_IPGRE is not set
   8.248 -# CONFIG_ARPD is not set
   8.249 -# CONFIG_SYN_COOKIES is not set
   8.250 -# CONFIG_INET_AH is not set
   8.251 -# CONFIG_INET_ESP is not set
   8.252 -# CONFIG_INET_IPCOMP is not set
   8.253 -# CONFIG_INET_TUNNEL is not set
   8.254 -CONFIG_IP_TCPDIAG=y
   8.255 -# CONFIG_IP_TCPDIAG_IPV6 is not set
   8.256 -# CONFIG_IPV6 is not set
   8.257 -# CONFIG_NETFILTER is not set
   8.258 -
   8.259 -#
   8.260 -# SCTP Configuration (EXPERIMENTAL)
   8.261 -#
   8.262 -# CONFIG_IP_SCTP is not set
   8.263 -# CONFIG_ATM is not set
   8.264 -# CONFIG_BRIDGE is not set
   8.265 -# CONFIG_VLAN_8021Q is not set
   8.266 -# CONFIG_DECNET is not set
   8.267 -# CONFIG_LLC2 is not set
   8.268 -# CONFIG_IPX is not set
   8.269 -# CONFIG_ATALK is not set
   8.270 -# CONFIG_X25 is not set
   8.271 -# CONFIG_LAPB is not set
   8.272 -# CONFIG_NET_DIVERT is not set
   8.273 -# CONFIG_ECONET is not set
   8.274 -# CONFIG_WAN_ROUTER is not set
   8.275 -
   8.276 -#
   8.277 -# QoS and/or fair queueing
   8.278 -#
   8.279 -# CONFIG_NET_SCHED is not set
   8.280 -# CONFIG_NET_CLS_ROUTE is not set
   8.281 -
   8.282 -#
   8.283 -# Network testing
   8.284 -#
   8.285 -# CONFIG_NET_PKTGEN is not set
   8.286 -# CONFIG_NETPOLL is not set
   8.287 -# CONFIG_NET_POLL_CONTROLLER is not set
   8.288 -# CONFIG_HAMRADIO is not set
   8.289 -# CONFIG_IRDA is not set
   8.290 -# CONFIG_BT is not set
   8.291 -CONFIG_NETDEVICES=y
   8.292 -# CONFIG_DUMMY is not set
   8.293 -# CONFIG_BONDING is not set
   8.294 -# CONFIG_EQUALIZER is not set
   8.295 -# CONFIG_TUN is not set
   8.296 -
   8.297 -#
   8.298 -# Ethernet (10 or 100Mbit)
   8.299 -#
   8.300 -# CONFIG_NET_ETHERNET is not set
   8.301 -
   8.302 -#
   8.303 -# Ethernet (1000 Mbit)
   8.304 -#
   8.305 -
   8.306 -#
   8.307 -# Ethernet (10000 Mbit)
   8.308 -#
   8.309 -
   8.310 -#
   8.311 -# Token Ring devices
   8.312 -#
   8.313 -
   8.314 -#
   8.315 -# Wireless LAN (non-hamradio)
   8.316 -#
   8.317 -# CONFIG_NET_RADIO is not set
   8.318 -
   8.319 -#
   8.320 -# Wan interfaces
   8.321 -#
   8.322 -# CONFIG_WAN is not set
   8.323 -# CONFIG_PPP is not set
   8.324 -# CONFIG_SLIP is not set
   8.325 -# CONFIG_SHAPER is not set
   8.326 -# CONFIG_NETCONSOLE is not set
   8.327 -CONFIG_UNIX98_PTYS=y
   8.328 -
   8.329 -#
   8.330 -# File systems
   8.331 -#
   8.332 -CONFIG_EXT2_FS=y
   8.333 -# CONFIG_EXT2_FS_XATTR is not set
   8.334 -CONFIG_EXT3_FS=y
   8.335 -CONFIG_EXT3_FS_XATTR=y
   8.336 -# CONFIG_EXT3_FS_POSIX_ACL is not set
   8.337 -# CONFIG_EXT3_FS_SECURITY is not set
   8.338 -CONFIG_JBD=y
   8.339 -# CONFIG_JBD_DEBUG is not set
   8.340 -CONFIG_FS_MBCACHE=y
   8.341 -CONFIG_REISERFS_FS=y
   8.342 -# CONFIG_REISERFS_CHECK is not set
   8.343 -# CONFIG_REISERFS_PROC_INFO is not set
   8.344 -# CONFIG_REISERFS_FS_XATTR is not set
   8.345 -# CONFIG_JFS_FS is not set
   8.346 -# CONFIG_XFS_FS is not set
   8.347 -# CONFIG_MINIX_FS is not set
   8.348 -# CONFIG_ROMFS_FS is not set
   8.349 -# CONFIG_QUOTA is not set
   8.350 -CONFIG_DNOTIFY=y
   8.351 -CONFIG_AUTOFS_FS=y
   8.352 -CONFIG_AUTOFS4_FS=y
   8.353 -
   8.354 -#
   8.355 -# CD-ROM/DVD Filesystems
   8.356 -#
   8.357 -CONFIG_ISO9660_FS=y
   8.358 -CONFIG_JOLIET=y
   8.359 -CONFIG_ZISOFS=y
   8.360 -CONFIG_ZISOFS_FS=y
   8.361 -# CONFIG_UDF_FS is not set
   8.362 -
   8.363 -#
   8.364 -# DOS/FAT/NT Filesystems
   8.365 -#
   8.366 -CONFIG_FAT_FS=m
   8.367 -CONFIG_MSDOS_FS=m
   8.368 -CONFIG_VFAT_FS=m
   8.369 -CONFIG_FAT_DEFAULT_CODEPAGE=437
   8.370 -CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
   8.371 -# CONFIG_NTFS_FS is not set
   8.372 -
   8.373 -#
   8.374 -# Pseudo filesystems
   8.375 -#
   8.376 -CONFIG_PROC_FS=y
   8.377 -CONFIG_PROC_KCORE=y
   8.378 -CONFIG_SYSFS=y
   8.379 -# CONFIG_DEVFS_FS is not set
   8.380 -CONFIG_DEVPTS_FS_XATTR=y
   8.381 -# CONFIG_DEVPTS_FS_SECURITY is not set
   8.382 -CONFIG_TMPFS=y
   8.383 -# CONFIG_TMPFS_XATTR is not set
   8.384 -# CONFIG_HUGETLBFS is not set
   8.385 -# CONFIG_HUGETLB_PAGE is not set
   8.386 -CONFIG_RAMFS=y
   8.387 -
   8.388 -#
   8.389 -# Miscellaneous filesystems
   8.390 -#
   8.391 -# CONFIG_ADFS_FS is not set
   8.392 -# CONFIG_AFFS_FS is not set
   8.393 -# CONFIG_HFS_FS is not set
   8.394 -# CONFIG_HFSPLUS_FS is not set
   8.395 -# CONFIG_BEFS_FS is not set
   8.396 -# CONFIG_BFS_FS is not set
   8.397 -# CONFIG_EFS_FS is not set
   8.398 -# CONFIG_CRAMFS is not set
   8.399 -# CONFIG_VXFS_FS is not set
   8.400 -# CONFIG_HPFS_FS is not set
   8.401 -# CONFIG_QNX4FS_FS is not set
   8.402 -# CONFIG_SYSV_FS is not set
   8.403 -# CONFIG_UFS_FS is not set
   8.404 -
   8.405 -#
   8.406 -# Network File Systems
   8.407 -#
   8.408 -CONFIG_NFS_FS=y
   8.409 -CONFIG_NFS_V3=y
   8.410 -# CONFIG_NFS_V4 is not set
   8.411 -# CONFIG_NFS_DIRECTIO is not set
   8.412 -# CONFIG_NFSD is not set
   8.413 -CONFIG_ROOT_NFS=y
   8.414 -CONFIG_LOCKD=y
   8.415 -CONFIG_LOCKD_V4=y
   8.416 -# CONFIG_EXPORTFS is not set
   8.417 -CONFIG_SUNRPC=y
   8.418 -# CONFIG_RPCSEC_GSS_KRB5 is not set
   8.419 -# CONFIG_RPCSEC_GSS_SPKM3 is not set
   8.420 -# CONFIG_SMB_FS is not set
   8.421 -# CONFIG_CIFS is not set
   8.422 -# CONFIG_NCP_FS is not set
   8.423 -# CONFIG_CODA_FS is not set
   8.424 -# CONFIG_AFS_FS is not set
   8.425 -
   8.426 -#
   8.427 -# Partition Types
   8.428 -#
   8.429 -# CONFIG_PARTITION_ADVANCED is not set
   8.430 -CONFIG_MSDOS_PARTITION=y
   8.431 -
   8.432 -#
   8.433 -# Native Language Support
   8.434 -#
   8.435 -CONFIG_NLS=y
   8.436 -CONFIG_NLS_DEFAULT="iso8859-1"
   8.437 -CONFIG_NLS_CODEPAGE_437=y
   8.438 -# CONFIG_NLS_CODEPAGE_737 is not set
   8.439 -# CONFIG_NLS_CODEPAGE_775 is not set
   8.440 -# CONFIG_NLS_CODEPAGE_850 is not set
   8.441 -# CONFIG_NLS_CODEPAGE_852 is not set
   8.442 -# CONFIG_NLS_CODEPAGE_855 is not set
   8.443 -# CONFIG_NLS_CODEPAGE_857 is not set
   8.444 -# CONFIG_NLS_CODEPAGE_860 is not set
   8.445 -# CONFIG_NLS_CODEPAGE_861 is not set
   8.446 -# CONFIG_NLS_CODEPAGE_862 is not set
   8.447 -# CONFIG_NLS_CODEPAGE_863 is not set
   8.448 -# CONFIG_NLS_CODEPAGE_864 is not set
   8.449 -# CONFIG_NLS_CODEPAGE_865 is not set
   8.450 -# CONFIG_NLS_CODEPAGE_866 is not set
   8.451 -# CONFIG_NLS_CODEPAGE_869 is not set
   8.452 -# CONFIG_NLS_CODEPAGE_936 is not set
   8.453 -# CONFIG_NLS_CODEPAGE_950 is not set
   8.454 -# CONFIG_NLS_CODEPAGE_932 is not set
   8.455 -# CONFIG_NLS_CODEPAGE_949 is not set
   8.456 -# CONFIG_NLS_CODEPAGE_874 is not set
   8.457 -# CONFIG_NLS_ISO8859_8 is not set
   8.458 -# CONFIG_NLS_CODEPAGE_1250 is not set
   8.459 -# CONFIG_NLS_CODEPAGE_1251 is not set
   8.460 -# CONFIG_NLS_ASCII is not set
   8.461 -CONFIG_NLS_ISO8859_1=y
   8.462 -# CONFIG_NLS_ISO8859_2 is not set
   8.463 -# CONFIG_NLS_ISO8859_3 is not set
   8.464 -# CONFIG_NLS_ISO8859_4 is not set
   8.465 -# CONFIG_NLS_ISO8859_5 is not set
   8.466 -# CONFIG_NLS_ISO8859_6 is not set
   8.467 -# CONFIG_NLS_ISO8859_7 is not set
   8.468 -# CONFIG_NLS_ISO8859_9 is not set
   8.469 -# CONFIG_NLS_ISO8859_13 is not set
   8.470 -# CONFIG_NLS_ISO8859_14 is not set
   8.471 -# CONFIG_NLS_ISO8859_15 is not set
   8.472 -# CONFIG_NLS_KOI8_R is not set
   8.473 -# CONFIG_NLS_KOI8_U is not set
   8.474 -# CONFIG_NLS_UTF8 is not set
   8.475 -
   8.476 -#
   8.477 -# Security options
   8.478 -#
   8.479 -# CONFIG_KEYS is not set
   8.480 -# CONFIG_SECURITY is not set
   8.481 -
   8.482 -#
   8.483 -# Cryptographic options
   8.484 -#
   8.485 -CONFIG_CRYPTO=y
   8.486 -# CONFIG_CRYPTO_HMAC is not set
   8.487 -# CONFIG_CRYPTO_NULL is not set
   8.488 -# CONFIG_CRYPTO_MD4 is not set
   8.489 -CONFIG_CRYPTO_MD5=m
   8.490 -# CONFIG_CRYPTO_SHA1 is not set
   8.491 -# CONFIG_CRYPTO_SHA256 is not set
   8.492 -# CONFIG_CRYPTO_SHA512 is not set
   8.493 -# CONFIG_CRYPTO_WP512 is not set
   8.494 -# CONFIG_CRYPTO_DES is not set
   8.495 -# CONFIG_CRYPTO_BLOWFISH is not set
   8.496 -# CONFIG_CRYPTO_TWOFISH is not set
   8.497 -# CONFIG_CRYPTO_SERPENT is not set
   8.498 -# CONFIG_CRYPTO_AES_586 is not set
   8.499 -# CONFIG_CRYPTO_CAST5 is not set
   8.500 -# CONFIG_CRYPTO_CAST6 is not set
   8.501 -# CONFIG_CRYPTO_TEA is not set
   8.502 -# CONFIG_CRYPTO_ARC4 is not set
   8.503 -# CONFIG_CRYPTO_KHAZAD is not set
   8.504 -# CONFIG_CRYPTO_ANUBIS is not set
   8.505 -# CONFIG_CRYPTO_DEFLATE is not set
   8.506 -# CONFIG_CRYPTO_MICHAEL_MIC is not set
   8.507 -CONFIG_CRYPTO_CRC32C=m
   8.508 -# CONFIG_CRYPTO_TEST is not set
   8.509 -
   8.510 -#
   8.511 -# Library routines
   8.512 -#
   8.513 -# CONFIG_CRC_CCITT is not set
   8.514 -# CONFIG_CRC32 is not set
   8.515 -CONFIG_LIBCRC32C=m
   8.516 -CONFIG_ZLIB_INFLATE=y
     9.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/Kconfig	Sat Mar 12 14:48:18 2005 +0000
     9.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     9.3 @@ -1,954 +0,0 @@
     9.4 -#
     9.5 -# For a description of the syntax of this configuration file,
     9.6 -# see Documentation/kbuild/kconfig-language.txt.
     9.7 -#
     9.8 -
     9.9 -menu "X86 Processor Configuration"
    9.10 -
    9.11 -config XENARCH
    9.12 -	string
    9.13 -	default i386
    9.14 -
    9.15 -config MMU
    9.16 -	bool
    9.17 -	default y
    9.18 -
    9.19 -config SBUS
    9.20 -	bool
    9.21 -
    9.22 -config UID16
    9.23 -	bool
    9.24 -	default y
    9.25 -
    9.26 -config GENERIC_ISA_DMA
    9.27 -	bool
    9.28 -	default y
    9.29 -
    9.30 -config GENERIC_IOMAP
    9.31 -	bool
    9.32 -	default y
    9.33 -
    9.34 -choice
    9.35 -	prompt "Processor family"
    9.36 -	default M686
    9.37 -
    9.38 -config M386
    9.39 -	bool "386"
    9.40 -	---help---
    9.41 -	  This is the processor type of your CPU. This information is used for
    9.42 -	  optimizing purposes. In order to compile a kernel that can run on
    9.43 -	  all x86 CPU types (albeit not optimally fast), you can specify
    9.44 -	  "386" here.
    9.45 -
    9.46 -	  The kernel will not necessarily run on earlier architectures than
    9.47 -	  the one you have chosen, e.g. a Pentium optimized kernel will run on
    9.48 -	  a PPro, but not necessarily on a i486.
    9.49 -
    9.50 -	  Here are the settings recommended for greatest speed:
    9.51 -	  - "386" for the AMD/Cyrix/Intel 386DX/DXL/SL/SLC/SX, Cyrix/TI
    9.52 -	  486DLC/DLC2, UMC 486SX-S and NexGen Nx586.  Only "386" kernels
    9.53 -	  will run on a 386 class machine.
    9.54 -	  - "486" for the AMD/Cyrix/IBM/Intel 486DX/DX2/DX4 or
    9.55 -	  SL/SLC/SLC2/SLC3/SX/SX2 and UMC U5D or U5S.
    9.56 -	  - "586" for generic Pentium CPUs lacking the TSC
    9.57 -	  (time stamp counter) register.
    9.58 -	  - "Pentium-Classic" for the Intel Pentium.
    9.59 -	  - "Pentium-MMX" for the Intel Pentium MMX.
    9.60 -	  - "Pentium-Pro" for the Intel Pentium Pro.
    9.61 -	  - "Pentium-II" for the Intel Pentium II or pre-Coppermine Celeron.
    9.62 -	  - "Pentium-III" for the Intel Pentium III or Coppermine Celeron.
    9.63 -	  - "Pentium-4" for the Intel Pentium 4 or P4-based Celeron.
    9.64 -	  - "K6" for the AMD K6, K6-II and K6-III (aka K6-3D).
    9.65 -	  - "Athlon" for the AMD K7 family (Athlon/Duron/Thunderbird).
    9.66 -	  - "Crusoe" for the Transmeta Crusoe series.
    9.67 -	  - "Efficeon" for the Transmeta Efficeon series.
    9.68 -	  - "Winchip-C6" for original IDT Winchip.
    9.69 -	  - "Winchip-2" for IDT Winchip 2.
    9.70 -	  - "Winchip-2A" for IDT Winchips with 3dNow! capabilities.
    9.71 -	  - "CyrixIII/VIA C3" for VIA Cyrix III or VIA C3.
    9.72 -	  - "VIA C3-2 for VIA C3-2 "Nehemiah" (model 9 and above).
    9.73 -
    9.74 -	  If you don't know what to do, choose "386".
    9.75 -
    9.76 -config M486
    9.77 -	bool "486"
    9.78 -	help
    9.79 -	  Select this for a 486 series processor, either Intel or one of the
    9.80 -	  compatible processors from AMD, Cyrix, IBM, or Intel.  Includes DX,
    9.81 -	  DX2, and DX4 variants; also SL/SLC/SLC2/SLC3/SX/SX2 and UMC U5D or
    9.82 -	  U5S.
    9.83 -
    9.84 -config M586
    9.85 -	bool "586/K5/5x86/6x86/6x86MX"
    9.86 -	help
    9.87 -	  Select this for an 586 or 686 series processor such as the AMD K5,
    9.88 -	  the Cyrix 5x86, 6x86 and 6x86MX.  This choice does not
    9.89 -	  assume the RDTSC (Read Time Stamp Counter) instruction.
    9.90 -
    9.91 -config M586TSC
    9.92 -	bool "Pentium-Classic"
    9.93 -	help
    9.94 -	  Select this for a Pentium Classic processor with the RDTSC (Read
    9.95 -	  Time Stamp Counter) instruction for benchmarking.
    9.96 -
    9.97 -config M586MMX
    9.98 -	bool "Pentium-MMX"
    9.99 -	help
   9.100 -	  Select this for a Pentium with the MMX graphics/multimedia
   9.101 -	  extended instructions.
   9.102 -
   9.103 -config M686
   9.104 -	bool "Pentium-Pro"
   9.105 -	help
   9.106 -	  Select this for Intel Pentium Pro chips.  This enables the use of
   9.107 -	  Pentium Pro extended instructions, and disables the init-time guard
   9.108 -	  against the f00f bug found in earlier Pentiums.
   9.109 -
   9.110 -config MPENTIUMII
   9.111 -	bool "Pentium-II/Celeron(pre-Coppermine)"
   9.112 -	help
   9.113 -	  Select this for Intel chips based on the Pentium-II and
   9.114 -	  pre-Coppermine Celeron core.  This option enables an unaligned
   9.115 -	  copy optimization, compiles the kernel with optimization flags
   9.116 -	  tailored for the chip, and applies any applicable Pentium Pro
   9.117 -	  optimizations.
   9.118 -
   9.119 -config MPENTIUMIII
   9.120 -	bool "Pentium-III/Celeron(Coppermine)/Pentium-III Xeon"
   9.121 -	help
   9.122 -	  Select this for Intel chips based on the Pentium-III and
   9.123 -	  Celeron-Coppermine core.  This option enables use of some
   9.124 -	  extended prefetch instructions in addition to the Pentium II
   9.125 -	  extensions.
   9.126 -
   9.127 -config MPENTIUMM
   9.128 -	bool "Pentium M"
   9.129 -	help
   9.130 -	  Select this for Intel Pentium M (not Pentium-4 M)
   9.131 -	  notebook chips.
   9.132 -
   9.133 -config MPENTIUM4
   9.134 -	bool "Pentium-4/Celeron(P4-based)/Pentium-4 M/Xeon"
   9.135 -	help
   9.136 -	  Select this for Intel Pentium 4 chips.  This includes the
   9.137 -	  Pentium 4, P4-based Celeron and Xeon, and Pentium-4 M
   9.138 -	  (not Pentium M) chips.  This option enables compile flags
   9.139 -	  optimized for the chip, uses the correct cache shift, and
   9.140 -	  applies any applicable Pentium III optimizations.
   9.141 -
   9.142 -config MK6
   9.143 -	bool "K6/K6-II/K6-III"
   9.144 -	help
   9.145 -	  Select this for an AMD K6-family processor.  Enables use of
   9.146 -	  some extended instructions, and passes appropriate optimization
   9.147 -	  flags to GCC.
   9.148 -
   9.149 -config MK7
   9.150 -	bool "Athlon/Duron/K7"
   9.151 -	help
   9.152 -	  Select this for an AMD Athlon K7-family processor.  Enables use of
   9.153 -	  some extended instructions, and passes appropriate optimization
   9.154 -	  flags to GCC.
   9.155 -
   9.156 -config MK8
   9.157 -	bool "Opteron/Athlon64/Hammer/K8"
   9.158 -	help
   9.159 -	  Select this for an AMD Opteron or Athlon64 Hammer-family processor.  Enables
   9.160 -	  use of some extended instructions, and passes appropriate optimization
   9.161 -	  flags to GCC.
   9.162 -
   9.163 -config MCRUSOE
   9.164 -	bool "Crusoe"
   9.165 -	help
   9.166 -	  Select this for a Transmeta Crusoe processor.  Treats the processor
   9.167 -	  like a 586 with TSC, and sets some GCC optimization flags (like a
   9.168 -	  Pentium Pro with no alignment requirements).
   9.169 -
   9.170 -config MEFFICEON
   9.171 -	bool "Efficeon"
   9.172 -	help
   9.173 -	  Select this for a Transmeta Efficeon processor.
   9.174 -
   9.175 -config MWINCHIPC6
   9.176 -	bool "Winchip-C6"
   9.177 -	help
   9.178 -	  Select this for an IDT Winchip C6 chip.  Linux and GCC
   9.179 -	  treat this chip as a 586TSC with some extended instructions
   9.180 -	  and alignment requirements.
   9.181 -
   9.182 -config MWINCHIP2
   9.183 -	bool "Winchip-2"
   9.184 -	help
   9.185 -	  Select this for an IDT Winchip-2.  Linux and GCC
   9.186 -	  treat this chip as a 586TSC with some extended instructions
   9.187 -	  and alignment requirements.
   9.188 -
   9.189 -config MWINCHIP3D
   9.190 -	bool "Winchip-2A/Winchip-3"
   9.191 -	help
   9.192 -	  Select this for an IDT Winchip-2A or 3.  Linux and GCC
   9.193 -	  treat this chip as a 586TSC with some extended instructions
   9.194 -	  and alignment reqirements.  Also enable out of order memory
   9.195 -	  stores for this CPU, which can increase performance of some
   9.196 -	  operations.
   9.197 -
   9.198 -config MCYRIXIII
   9.199 -	bool "CyrixIII/VIA-C3"
   9.200 -	help
   9.201 -	  Select this for a Cyrix III or C3 chip.  Presently Linux and GCC
   9.202 -	  treat this chip as a generic 586. Whilst the CPU is 686 class,
   9.203 -	  it lacks the cmov extension which gcc assumes is present when
   9.204 -	  generating 686 code.
   9.205 -	  Note that Nehemiah (Model 9) and above will not boot with this
   9.206 -	  kernel due to them lacking the 3DNow! instructions used in earlier
   9.207 -	  incarnations of the CPU.
   9.208 -
   9.209 -config MVIAC3_2
   9.210 -	bool "VIA C3-2 (Nehemiah)"
   9.211 -	help
   9.212 -	  Select this for a VIA C3 "Nehemiah". Selecting this enables usage
   9.213 -	  of SSE and tells gcc to treat the CPU as a 686.
   9.214 -	  Note, this kernel will not boot on older (pre model 9) C3s.
   9.215 -
   9.216 -endchoice
   9.217 -
   9.218 -config X86_GENERIC
   9.219 -       bool "Generic x86 support"
   9.220 -       help
   9.221 -	  Instead of just including optimizations for the selected
   9.222 -	  x86 variant (e.g. PII, Crusoe or Athlon), include some more
   9.223 -	  generic optimizations as well. This will make the kernel
   9.224 -	  perform better on x86 CPUs other than that selected.
   9.225 -
   9.226 -	  This is really intended for distributors who need more
   9.227 -	  generic optimizations.
   9.228 -
   9.229 -#
   9.230 -# Define implied options from the CPU selection here
   9.231 -#
   9.232 -config X86_CMPXCHG
   9.233 -	bool
   9.234 -	depends on !M386
   9.235 -	default y
   9.236 -
   9.237 -config X86_XADD
   9.238 -	bool
   9.239 -	depends on !M386
   9.240 -	default y
   9.241 -
   9.242 -config X86_L1_CACHE_SHIFT
   9.243 -	int
   9.244 -	default "7" if MPENTIUM4 || X86_GENERIC
   9.245 -	default "4" if X86_ELAN || M486 || M386
   9.246 -	default "5" if MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2
   9.247 -	default "6" if MK7 || MK8 || MPENTIUMM
   9.248 -
   9.249 -config RWSEM_GENERIC_SPINLOCK
   9.250 -	bool
   9.251 -	depends on M386
   9.252 -	default y
   9.253 -
   9.254 -config RWSEM_XCHGADD_ALGORITHM
   9.255 -	bool
   9.256 -	depends on !M386
   9.257 -	default y
   9.258 -
   9.259 -config X86_PPRO_FENCE
   9.260 -	bool
   9.261 -	depends on M686 || M586MMX || M586TSC || M586 || M486 || M386
   9.262 -	default y
   9.263 -
   9.264 -config X86_F00F_BUG
   9.265 -	bool
   9.266 -	depends on M586MMX || M586TSC || M586 || M486 || M386
   9.267 -	default y
   9.268 -
   9.269 -config X86_WP_WORKS_OK
   9.270 -	bool
   9.271 -	depends on !M386
   9.272 -	default y
   9.273 -
   9.274 -config X86_INVLPG
   9.275 -	bool
   9.276 -	depends on !M386
   9.277 -	default y
   9.278 -
   9.279 -config X86_BSWAP
   9.280 -	bool
   9.281 -	depends on !M386
   9.282 -	default y
   9.283 -
   9.284 -config X86_POPAD_OK
   9.285 -	bool
   9.286 -	depends on !M386
   9.287 -	default y
   9.288 -
   9.289 -config X86_ALIGNMENT_16
   9.290 -	bool
   9.291 -	depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2
   9.292 -	default y
   9.293 -
   9.294 -config X86_GOOD_APIC
   9.295 -	bool
   9.296 -	depends on MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || MK8 || MEFFICEON
   9.297 -	default y
   9.298 -
   9.299 -config X86_INTEL_USERCOPY
   9.300 -	bool
   9.301 -	depends on MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M586MMX || X86_GENERIC || MK8 || MK7 || MEFFICEON
   9.302 -	default y
   9.303 -
   9.304 -config X86_USE_PPRO_CHECKSUM
   9.305 -	bool
   9.306 -	depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON
   9.307 -	default y
   9.308 -
   9.309 -config X86_USE_3DNOW
   9.310 -	bool
   9.311 -	depends on MCYRIXIII || MK7
   9.312 -	default y
   9.313 -
   9.314 -config X86_OOSTORE
   9.315 -	bool
   9.316 -	depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR
   9.317 -	default y
   9.318 -
   9.319 -config HPET_TIMER
   9.320 -	bool
   9.321 -	default n
   9.322 -#config HPET_TIMER
   9.323 -#	bool "HPET Timer Support"
   9.324 -#	help
   9.325 -#	  This enables the use of the HPET for the kernel's internal timer.
   9.326 -#	  HPET is the next generation timer replacing legacy 8254s.
   9.327 -#	  You can safely choose Y here.  However, HPET will only be
   9.328 -#	  activated if the platform and the BIOS support this feature.
   9.329 -#	  Otherwise the 8254 will be used for timing services.
   9.330 -#
   9.331 -#	  Choose N to continue using the legacy 8254 timer.
   9.332 -
   9.333 -config HPET_EMULATE_RTC
   9.334 -	def_bool HPET_TIMER && RTC=y
   9.335 -
   9.336 -config SMP
   9.337 -	bool "Symmetric multi-processing support"
   9.338 -	---help---
   9.339 -	  This enables support for systems with more than one CPU. If you have
   9.340 -	  a system with only one CPU, like most personal computers, say N. If
   9.341 -	  you have a system with more than one CPU, say Y.
   9.342 -
   9.343 -	  If you say N here, the kernel will run on single and multiprocessor
   9.344 -	  machines, but will use only one CPU of a multiprocessor machine. If
   9.345 -	  you say Y here, the kernel will run on many, but not all,
   9.346 -	  singleprocessor machines. On a singleprocessor machine, the kernel
   9.347 -	  will run faster if you say N here.
   9.348 -
   9.349 -	  Note that if you say Y here and choose architecture "586" or
   9.350 -	  "Pentium" under "Processor family", the kernel will not work on 486
   9.351 -	  architectures. Similarly, multiprocessor kernels for the "PPro"
   9.352 -	  architecture may not work on all Pentium based boards.
   9.353 -
   9.354 -	  People using multiprocessor machines who say Y here should also say
   9.355 -	  Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
   9.356 -	  Management" code will be disabled if you say Y here.
   9.357 -
   9.358 -	  See also the <file:Documentation/smp.txt>,
   9.359 -	  <file:Documentation/i386/IO-APIC.txt>,
   9.360 -	  <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
   9.361 -	  <http://www.tldp.org/docs.html#howto>.
   9.362 -
   9.363 -	  If you don't know what to do here, say N.
   9.364 -
   9.365 -config NR_CPUS
   9.366 -	int "Maximum number of CPUs (2-255)"
   9.367 -	range 2 255
   9.368 -	depends on SMP
   9.369 -	default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000
   9.370 -	default "8"
   9.371 -	help
   9.372 -	  This allows you to specify the maximum number of CPUs which this
   9.373 -	  kernel will support.  The maximum supported value is 255 and the
   9.374 -	  minimum value which makes sense is 2.
   9.375 -
   9.376 -	  This is purely to save memory - each supported CPU adds
   9.377 -	  approximately eight kilobytes to the kernel image.
   9.378 -
   9.379 -config SCHED_SMT
   9.380 -	bool "SMT (Hyperthreading) scheduler support"
   9.381 -	depends on SMP
   9.382 -	default off
   9.383 -	help
   9.384 -	  SMT scheduler support improves the CPU scheduler's decision making
   9.385 -	  when dealing with Intel Pentium 4 chips with HyperThreading at a
   9.386 -	  cost of slightly increased overhead in some places. If unsure say
   9.387 -	  N here.
   9.388 -
   9.389 -config PREEMPT
   9.390 -	bool "Preemptible Kernel"
   9.391 -	help
   9.392 -	  This option reduces the latency of the kernel when reacting to
   9.393 -	  real-time or interactive events by allowing a low priority process to
   9.394 -	  be preempted even if it is in kernel mode executing a system call.
   9.395 -	  This allows applications to run more reliably even when the system is
   9.396 -	  under load.
   9.397 -
   9.398 -	  Say Y here if you are building a kernel for a desktop, embedded
   9.399 -	  or real-time system.  Say N if you are unsure.
   9.400 -
   9.401 -#config X86_TSC
   9.402 -#	 bool
   9.403 -#	depends on (MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2) && !X86_NUMAQ
   9.404 -#	 default y
   9.405 -
   9.406 -#config X86_MCE
   9.407 -#	 bool "Machine Check Exception"
   9.408 -#	depends on !X86_VOYAGER
   9.409 -#	 ---help---
   9.410 -#	   Machine Check Exception support allows the processor to notify the
   9.411 -#	   kernel if it detects a problem (e.g. overheating, component failure).
   9.412 -#	   The action the kernel takes depends on the severity of the problem,
   9.413 -#	   ranging from a warning message on the console, to halting the machine.
   9.414 -#	   Your processor must be a Pentium or newer to support this - check the
   9.415 -#	   flags in /proc/cpuinfo for mce.  Note that some older Pentium systems
   9.416 -#	   have a design flaw which leads to false MCE events - hence MCE is
   9.417 -#	   disabled on all P5 processors, unless explicitly enabled with "mce"
   9.418 -#	   as a boot argument.  Similarly, if MCE is built in and creates a
   9.419 -#	   problem on some new non-standard machine, you can boot with "nomce"
   9.420 -#	   to disable it.  MCE support simply ignores non-MCE processors like
   9.421 -#	   the 386 and 486, so nearly everyone can say Y here.
   9.422 -
   9.423 -#config X86_MCE_NONFATAL
   9.424 -#	tristate "Check for non-fatal errors on AMD Athlon/Duron / Intel Pentium 4"
   9.425 -#	 depends on X86_MCE
   9.426 -#	 help
   9.427 -#	   Enabling this feature starts a timer that triggers every 5 seconds which
   9.428 -#	   will look at the machine check registers to see if anything happened.
   9.429 -#	   Non-fatal problems automatically get corrected (but still logged).
   9.430 -#	   Disable this if you don't want to see these messages.
   9.431 -#	   Seeing the messages this option prints out may be indicative of dying hardware,
   9.432 -#	   or out-of-spec (ie, overclocked) hardware.
   9.433 -#	   This option only does something on certain CPUs.
   9.434 -#	   (AMD Athlon/Duron and Intel Pentium 4)
   9.435 -
   9.436 -#config X86_MCE_P4THERMAL
   9.437 -#	 bool "check for P4 thermal throttling interrupt."
   9.438 -#	 depends on X86_MCE && (X86_UP_APIC || SMP)
   9.439 -#	 help
   9.440 -#	   Enabling this feature will cause a message to be printed when the P4
   9.441 -#	   enters thermal throttling.
   9.442 -
   9.443 -config MICROCODE
   9.444 -	 tristate "/dev/cpu/microcode - Intel IA32 CPU microcode support"
   9.445 -	 depends on XEN_PRIVILEGED_GUEST
   9.446 -	 ---help---
   9.447 -	   If you say Y here and also to "/dev file system support" in the
   9.448 -	   'File systems' section, you will be able to update the microcode on
   9.449 -	   Intel processors in the IA32 family, e.g. Pentium Pro, Pentium II,
   9.450 -	   Pentium III, Pentium 4, Xeon etc.  You will obviously need the
   9.451 -	   actual microcode binary data itself which is not shipped with the
   9.452 -	   Linux kernel.
   9.453 -
   9.454 -	   For latest news and information on obtaining all the required
   9.455 -	   ingredients for this driver, check:
   9.456 -	   <http://www.urbanmyth.org/microcode/>.
   9.457 -
   9.458 -	   To compile this driver as a module, choose M here: the
   9.459 -	   module will be called microcode.
   9.460 -
   9.461 -#config X86_MSR
   9.462 -#	 tristate "/dev/cpu/*/msr - Model-specific register support"
   9.463 -#	 help
   9.464 -#	   This device gives privileged processes access to the x86
   9.465 -#	   Model-Specific Registers (MSRs).  It is a character device with
   9.466 -#	   major 202 and minors 0 to 31 for /dev/cpu/0/msr to /dev/cpu/31/msr.
   9.467 -#	   MSR accesses are directed to a specific CPU on multi-processor
   9.468 -#	   systems.
   9.469 -
   9.470 -config X86_CPUID
   9.471 -	tristate "/dev/cpu/*/cpuid - CPU information support"
   9.472 -	help
   9.473 -	  This device gives processes access to the x86 CPUID instruction to
   9.474 -	  be executed on a specific processor.  It is a character device
   9.475 -	  with major 203 and minors 0 to 31 for /dev/cpu/0/cpuid to
   9.476 -	  /dev/cpu/31/cpuid.
   9.477 -
   9.478 -source "drivers/firmware/Kconfig"
   9.479 -
   9.480 -choice
   9.481 -	prompt "High Memory Support"
   9.482 -	default NOHIGHMEM
   9.483 -
   9.484 -config NOHIGHMEM
   9.485 -	bool "off"
   9.486 -	---help---
   9.487 -	  Linux can use up to 64 Gigabytes of physical memory on x86 systems.
   9.488 -	  However, the address space of 32-bit x86 processors is only 4
   9.489 -	  Gigabytes large. That means that, if you have a large amount of
   9.490 -	  physical memory, not all of it can be "permanently mapped" by the
   9.491 -	  kernel. The physical memory that's not permanently mapped is called
   9.492 -	  "high memory".
   9.493 -
   9.494 -	  If you are compiling a kernel which will never run on a machine with
   9.495 -	  more than 1 Gigabyte total physical RAM, answer "off" here (default
   9.496 -	  choice and suitable for most users). This will result in a "3GB/1GB"
   9.497 -	  split: 3GB are mapped so that each process sees a 3GB virtual memory
   9.498 -	  space and the remaining part of the 4GB virtual memory space is used
   9.499 -	  by the kernel to permanently map as much physical memory as
   9.500 -	  possible.
   9.501 -
   9.502 -	  If the machine has between 1 and 4 Gigabytes physical RAM, then
   9.503 -	  answer "4GB" here.
   9.504 -
   9.505 -	  If more than 4 Gigabytes is used then answer "64GB" here. This
   9.506 -	  selection turns Intel PAE (Physical Address Extension) mode on.
   9.507 -	  PAE implements 3-level paging on IA32 processors. PAE is fully
   9.508 -	  supported by Linux, PAE mode is implemented on all recent Intel
   9.509 -	  processors (Pentium Pro and better). NOTE: If you say "64GB" here,
   9.510 -	  then the kernel will not boot on CPUs that don't support PAE!
   9.511 -
   9.512 -	  The actual amount of total physical memory will either be
   9.513 -	  auto detected or can be forced by using a kernel command line option
   9.514 -	  such as "mem=256M". (Try "man bootparam" or see the documentation of
   9.515 -	  your boot loader (lilo or loadlin) about how to pass options to the
   9.516 -	  kernel at boot time.)
   9.517 -
   9.518 -	  If unsure, say "off".
   9.519 -
   9.520 -config HIGHMEM4G
   9.521 -	bool "4GB"
   9.522 -	help
   9.523 -	  Select this if you have a 32-bit processor and between 1 and 4
   9.524 -	  gigabytes of physical RAM.
   9.525 -
   9.526 -#config HIGHMEM64G
   9.527 -#	bool "64GB"
   9.528 -#	help
   9.529 -#	  Select this if you have a 32-bit processor and more than 4
   9.530 -#	  gigabytes of physical RAM.
   9.531 -
   9.532 -endchoice
   9.533 -
   9.534 -config HIGHMEM
   9.535 -	bool
   9.536 -	depends on HIGHMEM64G || HIGHMEM4G
   9.537 -	default y
   9.538 -
   9.539 -config X86_PAE
   9.540 -	bool
   9.541 -	depends on HIGHMEM64G
   9.542 -	default y
   9.543 -
   9.544 -# Common NUMA Features
   9.545 -config NUMA
   9.546 -	bool "Numa Memory Allocation and Scheduler Support"
   9.547 -	depends on SMP && HIGHMEM64G && (X86_NUMAQ || X86_GENERICARCH || (X86_SUMMIT && ACPI))
   9.548 -	default n if X86_PC
   9.549 -	default y if (X86_NUMAQ || X86_SUMMIT)
   9.550 -
   9.551 -# Need comments to help the hapless user trying to turn on NUMA support
   9.552 -comment "NUMA (NUMA-Q) requires SMP, 64GB highmem support"
   9.553 -	depends on X86_NUMAQ && (!HIGHMEM64G || !SMP)
   9.554 -
   9.555 -comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI"
   9.556 -	depends on X86_SUMMIT && (!HIGHMEM64G || !ACPI)
   9.557 -
   9.558 -config DISCONTIGMEM
   9.559 -	bool
   9.560 -	depends on NUMA
   9.561 -	default y
   9.562 -
   9.563 -config HAVE_ARCH_BOOTMEM_NODE
   9.564 -	bool
   9.565 -	depends on NUMA
   9.566 -	default y
   9.567 -
   9.568 -#config HIGHPTE
   9.569 -#	bool "Allocate 3rd-level pagetables from highmem"
   9.570 -#	depends on HIGHMEM4G || HIGHMEM64G
   9.571 -#	help
   9.572 -#	  The VM uses one page table entry for each page of physical memory.
   9.573 -#	  For systems with a lot of RAM, this can be wasteful of precious
   9.574 -#	  low memory.  Setting this option will put user-space page table
   9.575 -#	  entries in high memory.
   9.576 -
   9.577 -config MTRR
   9.578 -	bool
   9.579 -	depends on XEN_PRIVILEGED_GUEST
   9.580 -	default y
   9.581 -
   9.582 -#config MTRR
   9.583 -#	 bool "MTRR (Memory Type Range Register) support"
   9.584 -#	 ---help---
   9.585 -#	   On Intel P6 family processors (Pentium Pro, Pentium II and later)
   9.586 -#	   the Memory Type Range Registers (MTRRs) may be used to control
   9.587 -#	   processor access to memory ranges. This is most useful if you have
   9.588 -#	   a video (VGA) card on a PCI or AGP bus. Enabling write-combining
   9.589 -#	   allows bus write transfers to be combined into a larger transfer
   9.590 -#	   before bursting over the PCI/AGP bus. This can increase performance
   9.591 -#	   of image write operations 2.5 times or more. Saying Y here creates a
   9.592 -#	   /proc/mtrr file which may be used to manipulate your processor's
   9.593 -#	   MTRRs. Typically the X server should use this.
   9.594 -#
   9.595 -#	   This code has a reasonably generic interface so that similar
   9.596 -#	   control registers on other processors can be easily supported
   9.597 -#	   as well:
   9.598 -#
   9.599 -#	   The Cyrix 6x86, 6x86MX and M II processors have Address Range
   9.600 -#	   Registers (ARRs) which provide a similar functionality to MTRRs. For
   9.601 -#	   these, the ARRs are used to emulate the MTRRs.
   9.602 -#	   The AMD K6-2 (stepping 8 and above) and K6-3 processors have two
   9.603 -#	   MTRRs. The Centaur C6 (WinChip) has 8 MCRs, allowing
   9.604 -#	   write-combining. All of these processors are supported by this code
   9.605 -#	   and it makes sense to say Y here if you have one of them.
   9.606 -#
   9.607 -#	   Saying Y here also fixes a problem with buggy SMP BIOSes which only
   9.608 -#	   set the MTRRs for the boot CPU and not for the secondary CPUs. This
   9.609 -#	   can lead to all sorts of problems, so it's good to say Y here.
   9.610 -#
   9.611 -#	   You can safely say Y even if your machine doesn't have MTRRs, you'll
   9.612 -#	   just add about 9 KB to your kernel.
   9.613 -#
   9.614 -#	   See <file:Documentation/mtrr.txt> for more information.
   9.615 -
   9.616 -config IRQBALANCE
   9.617 - 	bool "Enable kernel irq balancing"
   9.618 -	depends on SMP && X86_IO_APIC
   9.619 -	default y
   9.620 -	help
   9.621 - 	  The default yes will allow the kernel to do irq load balancing.
   9.622 -	  Saying no will keep the kernel from doing irq load balancing.
   9.623 -
   9.624 -config HAVE_DEC_LOCK
   9.625 -	bool
   9.626 -	depends on (SMP || PREEMPT) && X86_CMPXCHG
   9.627 -	default y
   9.628 -
   9.629 -# turning this on wastes a bunch of space.
   9.630 -# Summit needs it only when NUMA is on
   9.631 -config BOOT_IOREMAP
   9.632 -	bool
   9.633 -	depends on (((X86_SUMMIT || X86_GENERICARCH) && NUMA) || (X86 && EFI))
   9.634 -	default y
   9.635 -
   9.636 -config REGPARM
   9.637 -	bool "Use register arguments (EXPERIMENTAL)"
   9.638 -	depends on EXPERIMENTAL
   9.639 -	default n
   9.640 -	help
   9.641 -	Compile the kernel with -mregparm=3. This uses an different ABI
   9.642 -	and passes the first three arguments of a function call in registers.
   9.643 -	This will probably break binary only modules.
   9.644 -
   9.645 -	This feature is only enabled for gcc-3.0 and later - earlier compilers
   9.646 -	generate incorrect output with certain kernel constructs when
   9.647 -	-mregparm=3 is used.
   9.648 -
   9.649 -
   9.650 -config X86_LOCAL_APIC
   9.651 -	bool
   9.652 -	depends on (X86_VISWS || SMP) && !X86_VOYAGER
   9.653 -	default n
   9.654 -
   9.655 -if XEN_PHYSDEV_ACCESS
   9.656 -
   9.657 -menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
   9.658 -
   9.659 -config X86_VISWS_APIC
   9.660 -	bool
   9.661 -	depends on X86_VISWS
   9.662 -	default y
   9.663 -
   9.664 -#config X86_IO_APIC
   9.665 -#	bool
   9.666 -#	depends on SMP && !(X86_VISWS || X86_VOYAGER)
   9.667 -#	default y
   9.668 -
   9.669 -config PCI
   9.670 -	bool "PCI support" if !X86_VISWS
   9.671 -	depends on !X86_VOYAGER
   9.672 -	default y if X86_VISWS
   9.673 -	help
   9.674 -	  Find out whether you have a PCI motherboard. PCI is the name of a
   9.675 -	  bus system, i.e. the way the CPU talks to the other stuff inside
   9.676 -	  your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
   9.677 -	  VESA. If you have PCI, say Y, otherwise N.
   9.678 -
   9.679 -	  The PCI-HOWTO, available from
   9.680 -	  <http://www.tldp.org/docs.html#howto>, contains valuable
   9.681 -	  information about which PCI hardware does work under Linux and which
   9.682 -	  doesn't.
   9.683 -
   9.684 -#choice
   9.685 -#	prompt "PCI access mode"
   9.686 -#	depends on PCI && !X86_VISWS
   9.687 -#	default PCI_GOANY
   9.688 -#	---help---
   9.689 -#	  On PCI systems, the BIOS can be used to detect the PCI devices and
   9.690 -#	  determine their configuration. However, some old PCI motherboards
   9.691 -#	  have BIOS bugs and may crash if this is done. Also, some embedded
   9.692 -#	  PCI-based systems don't have any BIOS at all. Linux can also try to
   9.693 -#	  detect the PCI hardware directly without using the BIOS.
   9.694 -#
   9.695 -#	  With this option, you can specify how Linux should detect the
   9.696 -#	  PCI devices. If you choose "BIOS", the BIOS will be used,
   9.697 -#	  if you choose "Direct", the BIOS won't be used, and if you
   9.698 -#	  choose "MMConfig", then PCI Express MMCONFIG will be used.
   9.699 -#	  If you choose "Any", the kernel will try MMCONFIG, then the
   9.700 -#	  direct access method and falls back to the BIOS if that doesn't
   9.701 -#	  work. If unsure, go with the default, which is "Any".
   9.702 -#
   9.703 -#config PCI_GOBIOS
   9.704 -#	bool "BIOS"
   9.705 -#
   9.706 -#config PCI_GOMMCONFIG
   9.707 -#	bool "MMConfig"
   9.708 -#
   9.709 -#config PCI_GODIRECT
   9.710 -#	bool "Direct"
   9.711 -#
   9.712 -#config PCI_GOANY
   9.713 -#	bool "Any"
   9.714 -#
   9.715 -#endchoice
   9.716 -#
   9.717 -#config PCI_BIOS
   9.718 -#	bool
   9.719 -#	depends on !X86_VISWS && PCI && (PCI_GOBIOS || PCI_GOANY)
   9.720 -#	default y
   9.721 -#
   9.722 -#config PCI_DIRECT
   9.723 -#	bool
   9.724 -# 	depends on PCI && ((PCI_GODIRECT || PCI_GOANY) || X86_VISWS)
   9.725 -#	default y
   9.726 -
   9.727 -config PCI_DIRECT
   9.728 -	bool
   9.729 - 	depends on PCI
   9.730 -	default y
   9.731 -
   9.732 -source "drivers/pci/Kconfig"
   9.733 -
   9.734 -config ISA
   9.735 -	bool "ISA support"
   9.736 -	depends on !(X86_VOYAGER || X86_VISWS)
   9.737 -	help
   9.738 -	  Find out whether you have ISA slots on your motherboard.  ISA is the
   9.739 -	  name of a bus system, i.e. the way the CPU talks to the other stuff
   9.740 -	  inside your box.  Other bus systems are PCI, EISA, MicroChannel
   9.741 -	  (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
   9.742 -	  newer boards don't support it.  If you have ISA, say Y, otherwise N.
   9.743 -
   9.744 -config EISA
   9.745 -	bool "EISA support"
   9.746 -	depends on ISA
   9.747 -	---help---
   9.748 -	  The Extended Industry Standard Architecture (EISA) bus was
   9.749 -	  developed as an open alternative to the IBM MicroChannel bus.
   9.750 -
   9.751 -	  The EISA bus provided some of the features of the IBM MicroChannel
   9.752 -	  bus while maintaining backward compatibility with cards made for
   9.753 -	  the older ISA bus.  The EISA bus saw limited use between 1988 and
   9.754 -	  1995 when it was made obsolete by the PCI bus.
   9.755 -
   9.756 -	  Say Y here if you are building a kernel for an EISA-based machine.
   9.757 -
   9.758 -	  Otherwise, say N.
   9.759 -
   9.760 -source "drivers/eisa/Kconfig"
   9.761 -
   9.762 -config MCA
   9.763 -	bool "MCA support"
   9.764 -	depends on !(X86_VISWS || X86_VOYAGER)
   9.765 -	help
   9.766 -	  MicroChannel Architecture is found in some IBM PS/2 machines and
   9.767 -	  laptops.  It is a bus system similar to PCI or ISA. See
   9.768 -	  <file:Documentation/mca.txt> (and especially the web page given
   9.769 -	  there) before attempting to build an MCA bus kernel.
   9.770 -
   9.771 -config MCA
   9.772 -	depends on X86_VOYAGER
   9.773 -	default y if X86_VOYAGER
   9.774 -
   9.775 -source "drivers/mca/Kconfig"
   9.776 -
   9.777 -config SCx200
   9.778 -	tristate "NatSemi SCx200 support"
   9.779 -	depends on !X86_VOYAGER
   9.780 -	help
   9.781 -	  This provides basic support for the National Semiconductor SCx200
   9.782 -	  processor.  Right now this is just a driver for the GPIO pins.
   9.783 -
   9.784 -	  If you don't know what to do here, say N.
   9.785 -
   9.786 -	  This support is also available as a module.  If compiled as a
   9.787 -	  module, it will be called scx200.
   9.788 -
   9.789 -source "drivers/pcmcia/Kconfig"
   9.790 -
   9.791 -source "drivers/pci/hotplug/Kconfig"
   9.792 -
   9.793 -endmenu
   9.794 -
   9.795 -endif
   9.796 -
   9.797 -menu "Kernel hacking"
   9.798 -
   9.799 -config DEBUG_KERNEL
   9.800 -	bool "Kernel debugging"
   9.801 -	help
   9.802 -	  Say Y here if you are developing drivers or trying to debug and
   9.803 -	  identify kernel problems.
   9.804 -
   9.805 -config EARLY_PRINTK
   9.806 -	bool "Early printk" if EMBEDDED
   9.807 -	default y
   9.808 -	help
   9.809 -	  Write kernel log output directly into the VGA buffer or to a serial
   9.810 -	  port.
   9.811 -
   9.812 -	  This is useful for kernel debugging when your machine crashes very
   9.813 -	  early before the console code is initialized. For normal operation
   9.814 -	  it is not recommended because it looks ugly and doesn't cooperate
   9.815 -	  with klogd/syslogd or the X server. You should normally N here,
   9.816 -	  unless you want to debug such a crash.
   9.817 -
   9.818 -config DEBUG_STACKOVERFLOW
   9.819 -	bool "Check for stack overflows"
   9.820 -	depends on DEBUG_KERNEL
   9.821 -
   9.822 -config DEBUG_STACK_USAGE
   9.823 -	bool "Stack utilization instrumentation"
   9.824 -	depends on DEBUG_KERNEL
   9.825 -	help
   9.826 -	  Enables the display of the minimum amount of free stack which each
   9.827 -	  task has ever had available in the sysrq-T and sysrq-P debug output.
   9.828 -
   9.829 -	  This option will slow down process creation somewhat.
   9.830 -
   9.831 -config DEBUG_SLAB
   9.832 -	bool "Debug memory allocations"
   9.833 -	depends on DEBUG_KERNEL
   9.834 -	help
   9.835 -	  Say Y here to have the kernel do limited verification on memory
   9.836 -	  allocation as well as poisoning memory on free to catch use of freed
   9.837 -	  memory.
   9.838 -
   9.839 -config MAGIC_SYSRQ
   9.840 -	bool "Magic SysRq key"
   9.841 -	depends on DEBUG_KERNEL
   9.842 -	help
   9.843 -	  If you say Y here, you will have some control over the system even
   9.844 -	  if the system crashes for example during kernel debugging (e.g., you
   9.845 -	  will be able to flush the buffer cache to disk, reboot the system
   9.846 -	  immediately or dump some status information). This is accomplished
   9.847 -	  by pressing various keys while holding SysRq (Alt+PrintScreen). It
   9.848 -	  also works on a serial console (on PC hardware at least), if you
   9.849 -	  send a BREAK and then within 5 seconds a command keypress. The
   9.850 -	  keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
   9.851 -	  unless you really know what this hack does.
   9.852 -
   9.853 -config DEBUG_SPINLOCK
   9.854 -	bool "Spinlock debugging"
   9.855 -	depends on DEBUG_KERNEL
   9.856 -	help
   9.857 -	  Say Y here and build SMP to catch missing spinlock initialization
   9.858 -	  and certain other kinds of spinlock errors commonly made.  This is
   9.859 -	  best used in conjunction with the NMI watchdog so that spinlock
   9.860 -	  deadlocks are also debuggable.
   9.861 -
   9.862 -config DEBUG_PAGEALLOC
   9.863 -	bool "Page alloc debugging"
   9.864 -	depends on DEBUG_KERNEL
   9.865 -	help
   9.866 -	  Unmap pages from the kernel linear mapping after free_pages().
   9.867 -	  This results in a large slowdown, but helps to find certain types
   9.868 -	  of memory corruptions.
   9.869 -
   9.870 -config DEBUG_HIGHMEM
   9.871 -	bool "Highmem debugging"
   9.872 -	depends on DEBUG_KERNEL && HIGHMEM
   9.873 -	help
   9.874 -	  This options enables addition error checking for high memory systems.
   9.875 -	  Disable for production systems.
   9.876 -
   9.877 -config DEBUG_INFO
   9.878 -	bool "Compile the kernel with debug info"
   9.879 -	depends on DEBUG_KERNEL
   9.880 -	help
   9.881 -          If you say Y here the resulting kernel image will include
   9.882 -	  debugging info resulting in a larger kernel image.
   9.883 -	  Say Y here only if you plan to use gdb to debug the kernel.
   9.884 -	  If you don't debug the kernel, you can say N.
   9.885 -	  
   9.886 -config DEBUG_SPINLOCK_SLEEP
   9.887 -	bool "Sleep-inside-spinlock checking"
   9.888 -	help
   9.889 -	  If you say Y here, various routines which may sleep will become very
   9.890 -	  noisy if they are called with a spinlock held.	
   9.891 -
   9.892 -config FRAME_POINTER
   9.893 -	bool "Compile the kernel with frame pointers"
   9.894 -	help
   9.895 -	  If you say Y here the resulting kernel image will be slightly larger
   9.896 -	  and slower, but it will give very useful debugging information.
   9.897 -	  If you don't debug the kernel, you can say N, but we may not be able
   9.898 -	  to solve problems without frame pointers.
   9.899 -
   9.900 -config 4KSTACKS
   9.901 -	bool "Use 4Kb for kernel stacks instead of 8Kb"
   9.902 -	help
   9.903 -	  If you say Y here the kernel will use a 4Kb stacksize for the
   9.904 -	  kernel stack attached to each process/thread. This facilitates
   9.905 -	  running more threads on a system and also reduces the pressure
   9.906 -	  on the VM subsystem for higher order allocations. This option
   9.907 -	  will also use IRQ stacks to compensate for the reduced stackspace.
   9.908 -
   9.909 -config X86_FIND_SMP_CONFIG
   9.910 -	bool
   9.911 -	depends on X86_LOCAL_APIC || X86_VOYAGER
   9.912 -	default y
   9.913 -
   9.914 -config X86_MPPARSE
   9.915 -	bool
   9.916 -	depends on X86_LOCAL_APIC && !X86_VISWS
   9.917 -	default y
   9.918 -
   9.919 -endmenu
   9.920 -
   9.921 -#
   9.922 -# Use the generic interrupt handling code in kernel/irq/:
   9.923 -#
   9.924 -config GENERIC_HARDIRQS
   9.925 -	bool
   9.926 -	default y
   9.927 -
   9.928 -config GENERIC_IRQ_PROBE
   9.929 -	bool
   9.930 -	default y
   9.931 -
   9.932 -config X86_SMP
   9.933 -	bool
   9.934 -	depends on SMP && !X86_VOYAGER
   9.935 -	default y
   9.936 -
   9.937 -#config X86_HT
   9.938 -#	bool
   9.939 -#	depends on SMP && !(X86_VISWS || X86_VOYAGER)
   9.940 -#	default y
   9.941 -
   9.942 -config X86_BIOS_REBOOT
   9.943 -	bool
   9.944 -	depends on !(X86_VISWS || X86_VOYAGER)
   9.945 -	default y
   9.946 -
   9.947 -config X86_TRAMPOLINE
   9.948 -	bool
   9.949 -	depends on X86_SMP || (X86_VOYAGER && SMP)
   9.950 -	default y
   9.951 -
   9.952 -config PC
   9.953 -	bool
   9.954 -	depends on X86 && !EMBEDDED
   9.955 -	default y
   9.956 -
   9.957 -endmenu
    10.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/Makefile	Sat Mar 12 14:48:18 2005 +0000
    10.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    10.3 @@ -1,102 +0,0 @@
    10.4 -#
    10.5 -# i386/Makefile
    10.6 -#
    10.7 -# This file is included by the global makefile so that you can add your own
    10.8 -# architecture-specific flags and dependencies. Remember to do have actions
    10.9 -# for "archclean" cleaning up for this architecture.
   10.10 -#
   10.11 -# This file is subject to the terms and conditions of the GNU General Public
   10.12 -# License.  See the file "COPYING" in the main directory of this archive
   10.13 -# for more details.
   10.14 -#
   10.15 -# Copyright (C) 1994 by Linus Torvalds
   10.16 -#
   10.17 -# 19990713  Artur Skawina <skawina@geocities.com>
   10.18 -#           Added '-march' and '-mpreferred-stack-boundary' support
   10.19 -#
   10.20 -
   10.21 -XENARCH	:= $(subst ",,$(CONFIG_XENARCH))
   10.22 -
   10.23 -LDFLAGS		:= -m elf_i386
   10.24 -LDFLAGS_vmlinux :=
   10.25 -CHECK		:= $(CHECK) -D__i386__=1
   10.26 -
   10.27 -CFLAGS += -m32
   10.28 -AFLAGS += -m32
   10.29 -
   10.30 -CFLAGS += -pipe -msoft-float
   10.31 -
   10.32 -# prevent gcc from keeping the stack 16 byte aligned
   10.33 -CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2,)
   10.34 -
   10.35 -align := $(cc-option-align)
   10.36 -cflags-$(CONFIG_M386)		+= -march=i386
   10.37 -cflags-$(CONFIG_M486)		+= -march=i486
   10.38 -cflags-$(CONFIG_M586)		+= -march=i586
   10.39 -cflags-$(CONFIG_M586TSC)	+= -march=i586
   10.40 -cflags-$(CONFIG_M586MMX)	+= $(call cc-option,-march=pentium-mmx,-march=i586)
   10.41 -cflags-$(CONFIG_M686)		+= -march=i686
   10.42 -cflags-$(CONFIG_MPENTIUMII)	+= -march=i686 $(call cc-option,-mtune=pentium2)
   10.43 -cflags-$(CONFIG_MPENTIUMIII)	+= -march=i686 $(call cc-option,-mtune=pentium3)
   10.44 -cflags-$(CONFIG_MPENTIUMM)	+= -march=i686 $(call cc-option,-mtune=pentium3)
   10.45 -cflags-$(CONFIG_MPENTIUM4)	+= -march=i686 $(call cc-option,-mtune=pentium4)
   10.46 -cflags-$(CONFIG_MK6)		+= -march=k6
   10.47 -# Please note, that patches that add -march=athlon-xp and friends are pointless.
   10.48 -# They make zero difference whatsosever to performance at this time.
   10.49 -cflags-$(CONFIG_MK7)		+= $(call cc-option,-march=athlon,-march=i686 $(align)-functions=4)
   10.50 -cflags-$(CONFIG_MK8)		+= $(call cc-option,-march=k8,$(call cc-option,-march=athlon,-march=i686 $(align)-functions=4))
   10.51 -cflags-$(CONFIG_MCRUSOE)	+= -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
   10.52 -cflags-$(CONFIG_MEFFICEON)	+= -march=i686 $(call cc-option,-mtune=pentium3) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
   10.53 -cflags-$(CONFIG_MWINCHIPC6)	+= $(call cc-option,-march=winchip-c6,-march=i586)
   10.54 -cflags-$(CONFIG_MWINCHIP2)	+= $(call cc-option,-march=winchip2,-march=i586)
   10.55 -cflags-$(CONFIG_MWINCHIP3D)	+= $(call cc-option,-march=winchip2,-march=i586)
   10.56 -cflags-$(CONFIG_MCYRIXIII)	+= $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
   10.57 -cflags-$(CONFIG_MVIAC3_2)	+= $(call cc-option,-march=c3-2,-march=i686)
   10.58 -
   10.59 -# AMD Elan support
   10.60 -cflags-$(CONFIG_X86_ELAN)	+= -march=i486
   10.61 -
   10.62 -# -mregparm=3 works ok on gcc-3.0 and later
   10.63 -#
   10.64 -GCC_VERSION			:= $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC))
   10.65 -cflags-$(CONFIG_REGPARM) 	+= $(shell if [ $(GCC_VERSION) -ge 0300 ] ; then echo "-mregparm=3"; fi ;)
   10.66 -
   10.67 -# Disable unit-at-a-time mode, it makes gcc use a lot more stack
   10.68 -# due to the lack of sharing of stacklots.
   10.69 -CFLAGS += $(call cc-option,-fno-unit-at-a-time,)
   10.70 -
   10.71 -CFLAGS += $(cflags-y)
   10.72 -
   10.73 -head-y := arch/xen/i386/kernel/head.o arch/xen/i386/kernel/init_task.o
   10.74 -
   10.75 -libs-y 					+= arch/i386/lib/
   10.76 -core-y					+= arch/xen/i386/kernel/ \
   10.77 -					   arch/xen/i386/mm/ \
   10.78 -					   arch/i386/crypto/
   10.79 -# \
   10.80 -#					   arch/xen/$(mcore-y)/
   10.81 -drivers-$(CONFIG_MATH_EMULATION)	+= arch/i386/math-emu/
   10.82 -drivers-$(CONFIG_PCI)			+= arch/xen/i386/pci/
   10.83 -# must be linked after kernel/
   10.84 -drivers-$(CONFIG_OPROFILE)		+= arch/i386/oprofile/
   10.85 -drivers-$(CONFIG_PM)			+= arch/i386/power/
   10.86 -
   10.87 -# for clean
   10.88 -obj-	+= kernel/ mm/ pci/
   10.89 -#obj-	+= ../../i386/lib/ ../../i386/mm/ 
   10.90 -#../../i386/$(mcore-y)/
   10.91 -#obj-	+= ../../i386/pci/ ../../i386/oprofile/ ../../i386/power/
   10.92 -
   10.93 -xenflags-y += -Iinclude/asm-xen/asm-i386/mach-xen \
   10.94 -		-Iinclude/asm-i386/mach-default
   10.95 -CFLAGS += $(xenflags-y)
   10.96 -AFLAGS += $(xenflags-y)
   10.97 -
   10.98 -prepare: include/asm-$(XENARCH)/asm_offsets.h
   10.99 -CLEAN_FILES += include/asm-$(XENARCH)/asm_offsets.h
  10.100 -
  10.101 -arch/$(XENARCH)/kernel/asm-offsets.s: include/asm include/.asm-ignore \
  10.102 -	include/linux/version.h include/config/MARKER
  10.103 -
  10.104 -include/asm-$(XENARCH)/asm_offsets.h: arch/$(XENARCH)/kernel/asm-offsets.s
  10.105 -	$(call filechk,gen-asm-offsets)
    11.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/Makefile	Sat Mar 12 14:48:18 2005 +0000
    11.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    11.3 @@ -1,91 +0,0 @@
    11.4 -#
    11.5 -# Makefile for the linux kernel.
    11.6 -#
    11.7 -
    11.8 -XENARCH	:= $(subst ",,$(CONFIG_XENARCH))
    11.9 -
   11.10 -CFLAGS	+= -Iarch/$(XENARCH)/kernel
   11.11 -
   11.12 -extra-y := head.o init_task.o
   11.13 -
   11.14 -obj-y	:= process.o signal.o entry.o traps.o \
   11.15 -		time.o ioport.o ldt.o setup.o \
   11.16 -		pci-dma.o i386_ksyms.o
   11.17 -
   11.18 -c-obj-y	:= semaphore.o irq.o vm86.o \
   11.19 -		ptrace.o sys_i386.o \
   11.20 -		i387.o dmi_scan.o bootflag.o \
   11.21 -		doublefault.o quirks.o
   11.22 -s-obj-y	:=
   11.23 -
   11.24 -obj-y				+= cpu/
   11.25 -obj-y				+= timers/
   11.26 -c-obj-$(CONFIG_ACPI_BOOT)	+= acpi/
   11.27 -#c-obj-$(CONFIG_X86_BIOS_REBOOT)	+= reboot.o
   11.28 -c-obj-$(CONFIG_MCA)		+= mca.o
   11.29 -c-obj-$(CONFIG_X86_MSR)		+= msr.o
   11.30 -c-obj-$(CONFIG_X86_CPUID)	+= cpuid.o
   11.31 -obj-$(CONFIG_MICROCODE)		+= microcode.o
   11.32 -c-obj-$(CONFIG_APM)		+= apm.o
   11.33 -obj-$(CONFIG_X86_SMP)		+= smp.o smpboot.o
   11.34 -#obj-$(CONFIG_X86_TRAMPOLINE)	+= trampoline.o
   11.35 -c-obj-$(CONFIG_X86_MPPARSE)	+= mpparse.o
   11.36 -#obj-$(CONFIG_X86_LOCAL_APIC)	+= apic.o
   11.37 -c-obj-$(CONFIG_X86_LOCAL_APIC)	+= nmi.o
   11.38 -c-obj-$(CONFIG_X86_IO_APIC)	+= io_apic.o
   11.39 -c-obj-$(CONFIG_X86_NUMAQ)	+= numaq.o
   11.40 -c-obj-$(CONFIG_X86_SUMMIT_NUMA)	+= summit.o
   11.41 -c-obj-$(CONFIG_MODULES)		+= module.o
   11.42 -c-obj-y				+= sysenter.o
   11.43 -obj-y				+= vsyscall.o
   11.44 -c-obj-$(CONFIG_ACPI_SRAT) 	+= srat.o
   11.45 -c-obj-$(CONFIG_HPET_TIMER) 	+= time_hpet.o
   11.46 -c-obj-$(CONFIG_EFI) 		+= efi.o efi_stub.o
   11.47 -c-obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
   11.48 -
   11.49 -EXTRA_AFLAGS   := -traditional
   11.50 -
   11.51 -c-obj-$(CONFIG_SCx200)		+= scx200.o
   11.52 -
   11.53 -# vsyscall.o contains the vsyscall DSO images as __initdata.
   11.54 -# We must build both images before we can assemble it.
   11.55 -# Note: kbuild does not track this dependency due to usage of .incbin
   11.56 -$(obj)/vsyscall.o: $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so
   11.57 -targets += $(foreach F,int80 sysenter,vsyscall-$F.o vsyscall-$F.so)
   11.58 -
   11.59 -# The DSO images are built using a special linker script.
   11.60 -quiet_cmd_syscall = SYSCALL $@
   11.61 -      cmd_syscall = $(CC) -nostdlib -m32 $(SYSCFLAGS_$(@F)) \
   11.62 -		          -Wl,-T,$(filter-out FORCE,$^) -o $@
   11.63 -
   11.64 -vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1
   11.65 -SYSCFLAGS_vsyscall-sysenter.so	= $(vsyscall-flags)
   11.66 -SYSCFLAGS_vsyscall-int80.so	= $(vsyscall-flags)
   11.67 -
   11.68 -$(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so: \
   11.69 -$(obj)/vsyscall-%.so: $(obj)/vsyscall.lds $(obj)/vsyscall-%.o FORCE
   11.70 -	$(call if_changed,syscall)
   11.71 -
   11.72 -# We also create a special relocatable object that should mirror the symbol
   11.73 -# table and layout of the linked DSO.  With ld -R we can then refer to
   11.74 -# these symbols in the kernel code rather than hand-coded addresses.
   11.75 -extra-y += vsyscall-syms.o
   11.76 -$(obj)/built-in.o: $(obj)/vsyscall-syms.o
   11.77 -$(obj)/built-in.o: ld_flags += -R $(obj)/vsyscall-syms.o
   11.78 -
   11.79 -SYSCFLAGS_vsyscall-syms.o = -r
   11.80 -$(obj)/vsyscall-syms.o: $(obj)/vsyscall.lds $(obj)/vsyscall-sysenter.o FORCE
   11.81 -	$(call if_changed,syscall)
   11.82 -
   11.83 -c-link	:= init_task.o
   11.84 -s-link	:= vsyscall-int80.o vsyscall-sysenter.o vsyscall-sigreturn.o
   11.85 -
   11.86 -$(patsubst %.o,$(obj)/%.c,$(c-obj-y) $(c-link)) $(patsubst %.o,$(obj)/%.S,$(s-obj-y) $(s-link)):
   11.87 -	@ln -fsn $(srctree)/arch/i386/kernel/$(notdir $@) $@
   11.88 -
   11.89 -$(obj)/vsyscall-int80.S: $(obj)/vsyscall-sigreturn.S
   11.90 -
   11.91 -obj-y	+= $(c-obj-y) $(s-obj-y)
   11.92 -
   11.93 -clean-files += $(patsubst %.o,%.c,$(c-obj-y) $(c-obj-) $(c-link))
   11.94 -clean-files += $(patsubst %.o,%.S,$(s-obj-y) $(s-obj-) $(s-link))
    12.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/Makefile	Sat Mar 12 14:48:18 2005 +0000
    12.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    12.3 @@ -1,31 +0,0 @@
    12.4 -#
    12.5 -# Makefile for x86-compatible CPU details and quirks
    12.6 -#
    12.7 -
    12.8 -CFLAGS	+= -Iarch/i386/kernel/cpu
    12.9 -
   12.10 -obj-y	:=	common.o
   12.11 -c-obj-y	+=	proc.o
   12.12 -
   12.13 -c-obj-y	+=	amd.o
   12.14 -c-obj-y	+=	cyrix.o
   12.15 -c-obj-y	+=	centaur.o
   12.16 -c-obj-y	+=	transmeta.o
   12.17 -c-obj-y	+=	intel.o intel_cacheinfo.o
   12.18 -c-obj-y	+=	rise.o
   12.19 -c-obj-y	+=	nexgen.o
   12.20 -c-obj-y	+=	umc.o
   12.21 -
   12.22 -#obj-$(CONFIG_X86_MCE)	+=	../../../../i386/kernel/cpu/mcheck/
   12.23 -
   12.24 -obj-$(CONFIG_MTRR)	+= 	mtrr/
   12.25 -#obj-$(CONFIG_CPU_FREQ)	+=	../../../../i386/kernel/cpu/cpufreq/
   12.26 -
   12.27 -c-link	:=
   12.28 -
   12.29 -$(patsubst %.o,$(obj)/%.c,$(c-obj-y) $(c-link)):
   12.30 -	@ln -fsn $(srctree)/arch/i386/kernel/cpu/$(notdir $@) $@
   12.31 -
   12.32 -obj-y	+= $(c-obj-y)
   12.33 -
   12.34 -clean-files += $(patsubst %.o,%.c,$(c-obj-y) $(c-obj-) $(c-link))
    13.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/common.c	Sat Mar 12 14:48:18 2005 +0000
    13.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    13.3 @@ -1,601 +0,0 @@
    13.4 -#include <linux/init.h>
    13.5 -#include <linux/string.h>
    13.6 -#include <linux/delay.h>
    13.7 -#include <linux/smp.h>
    13.8 -#include <linux/module.h>
    13.9 -#include <linux/percpu.h>
   13.10 -#include <asm/semaphore.h>
   13.11 -#include <asm/processor.h>
   13.12 -#include <asm/i387.h>
   13.13 -#include <asm/msr.h>
   13.14 -#include <asm/io.h>
   13.15 -#include <asm/mmu_context.h>
   13.16 -#include <asm-xen/hypervisor.h>
   13.17 -
   13.18 -#include "cpu.h"
   13.19 -
   13.20 -DEFINE_PER_CPU(struct desc_struct, cpu_gdt_table[GDT_ENTRIES]);
   13.21 -EXPORT_PER_CPU_SYMBOL(cpu_gdt_table);
   13.22 -
   13.23 -static int cachesize_override __initdata = -1;
   13.24 -static int disable_x86_fxsr __initdata = 0;
   13.25 -static int disable_x86_serial_nr __initdata = 1;
   13.26 -
   13.27 -struct cpu_dev * cpu_devs[X86_VENDOR_NUM] = {};
   13.28 -
   13.29 -extern void mcheck_init(struct cpuinfo_x86 *c);
   13.30 -
   13.31 -extern void machine_specific_modify_cpu_capabilities(struct cpuinfo_x86 *c);
   13.32 -
   13.33 -extern int disable_pse;
   13.34 -
   13.35 -static void default_init(struct cpuinfo_x86 * c)
   13.36 -{
   13.37 -	/* Not much we can do here... */
   13.38 -	/* Check if at least it has cpuid */
   13.39 -	if (c->cpuid_level == -1) {
   13.40 -		/* No cpuid. It must be an ancient CPU */
   13.41 -		if (c->x86 == 4)
   13.42 -			strcpy(c->x86_model_id, "486");
   13.43 -		else if (c->x86 == 3)
   13.44 -			strcpy(c->x86_model_id, "386");
   13.45 -	}
   13.46 -}
   13.47 -
   13.48 -static struct cpu_dev default_cpu = {
   13.49 -	.c_init	= default_init,
   13.50 -};
   13.51 -static struct cpu_dev * this_cpu = &default_cpu;
   13.52 -
   13.53 -static int __init cachesize_setup(char *str)
   13.54 -{
   13.55 -	get_option (&str, &cachesize_override);
   13.56 -	return 1;
   13.57 -}
   13.58 -__setup("cachesize=", cachesize_setup);
   13.59 -
   13.60 -int __init get_model_name(struct cpuinfo_x86 *c)
   13.61 -{
   13.62 -	unsigned int *v;
   13.63 -	char *p, *q;
   13.64 -
   13.65 -	if (cpuid_eax(0x80000000) < 0x80000004)
   13.66 -		return 0;
   13.67 -
   13.68 -	v = (unsigned int *) c->x86_model_id;
   13.69 -	cpuid(0x80000002, &v[0], &v[1], &v[2], &v[3]);
   13.70 -	cpuid(0x80000003, &v[4], &v[5], &v[6], &v[7]);
   13.71 -	cpuid(0x80000004, &v[8], &v[9], &v[10], &v[11]);
   13.72 -	c->x86_model_id[48] = 0;
   13.73 -
   13.74 -	/* Intel chips right-justify this string for some dumb reason;
   13.75 -	   undo that brain damage */
   13.76 -	p = q = &c->x86_model_id[0];
   13.77 -	while ( *p == ' ' )
   13.78 -	     p++;
   13.79 -	if ( p != q ) {
   13.80 -	     while ( *p )
   13.81 -		  *q++ = *p++;
   13.82 -	     while ( q <= &c->x86_model_id[48] )
   13.83 -		  *q++ = '\0';	/* Zero-pad the rest */
   13.84 -	}
   13.85 -
   13.86 -	return 1;
   13.87 -}
   13.88 -
   13.89 -
   13.90 -void __init display_cacheinfo(struct cpuinfo_x86 *c)
   13.91 -{
   13.92 -	unsigned int n, dummy, ecx, edx, l2size;
   13.93 -
   13.94 -	n = cpuid_eax(0x80000000);
   13.95 -
   13.96 -	if (n >= 0x80000005) {
   13.97 -		cpuid(0x80000005, &dummy, &dummy, &ecx, &edx);
   13.98 -		printk(KERN_INFO "CPU: L1 I Cache: %dK (%d bytes/line), D cache %dK (%d bytes/line)\n",
   13.99 -			edx>>24, edx&0xFF, ecx>>24, ecx&0xFF);
  13.100 -		c->x86_cache_size=(ecx>>24)+(edx>>24);	
  13.101 -	}
  13.102 -
  13.103 -	if (n < 0x80000006)	/* Some chips just has a large L1. */
  13.104 -		return;
  13.105 -
  13.106 -	ecx = cpuid_ecx(0x80000006);
  13.107 -	l2size = ecx >> 16;
  13.108 -	
  13.109 -	/* do processor-specific cache resizing */
  13.110 -	if (this_cpu->c_size_cache)
  13.111 -		l2size = this_cpu->c_size_cache(c,l2size);
  13.112 -
  13.113 -	/* Allow user to override all this if necessary. */
  13.114 -	if (cachesize_override != -1)
  13.115 -		l2size = cachesize_override;
  13.116 -
  13.117 -	if ( l2size == 0 )
  13.118 -		return;		/* Again, no L2 cache is possible */
  13.119 -
  13.120 -	c->x86_cache_size = l2size;
  13.121 -
  13.122 -	printk(KERN_INFO "CPU: L2 Cache: %dK (%d bytes/line)\n",
  13.123 -	       l2size, ecx & 0xFF);
  13.124 -}
  13.125 -
  13.126 -/* Naming convention should be: <Name> [(<Codename>)] */
  13.127 -/* This table only is used unless init_<vendor>() below doesn't set it; */
  13.128 -/* in particular, if CPUID levels 0x80000002..4 are supported, this isn't used */
  13.129 -
  13.130 -/* Look up CPU names by table lookup. */
  13.131 -static char __init *table_lookup_model(struct cpuinfo_x86 *c)
  13.132 -{
  13.133 -	struct cpu_model_info *info;
  13.134 -
  13.135 -	if ( c->x86_model >= 16 )
  13.136 -		return NULL;	/* Range check */
  13.137 -
  13.138 -	if (!this_cpu)
  13.139 -		return NULL;
  13.140 -
  13.141 -	info = this_cpu->c_models;
  13.142 -
  13.143 -	while (info && info->family) {
  13.144 -		if (info->family == c->x86)
  13.145 -			return info->model_names[c->x86_model];
  13.146 -		info++;
  13.147 -	}
  13.148 -	return NULL;		/* Not found */
  13.149 -}
  13.150 -
  13.151 -
  13.152 -void __init get_cpu_vendor(struct cpuinfo_x86 *c, int early)
  13.153 -{
  13.154 -	char *v = c->x86_vendor_id;
  13.155 -	int i;
  13.156 -
  13.157 -	for (i = 0; i < X86_VENDOR_NUM; i++) {
  13.158 -		if (cpu_devs[i]) {
  13.159 -			if (!strcmp(v,cpu_devs[i]->c_ident[0]) ||
  13.160 -			    (cpu_devs[i]->c_ident[1] && 
  13.161 -			     !strcmp(v,cpu_devs[i]->c_ident[1]))) {
  13.162 -				c->x86_vendor = i;
  13.163 -				if (!early)
  13.164 -					this_cpu = cpu_devs[i];
  13.165 -				break;
  13.166 -			}
  13.167 -		}
  13.168 -	}
  13.169 -}
  13.170 -
  13.171 -
  13.172 -static int __init x86_fxsr_setup(char * s)
  13.173 -{
  13.174 -	disable_x86_fxsr = 1;
  13.175 -	return 1;
  13.176 -}
  13.177 -__setup("nofxsr", x86_fxsr_setup);
  13.178 -
  13.179 -
  13.180 -/* Standard macro to see if a specific flag is changeable */
  13.181 -static inline int flag_is_changeable_p(u32 flag)
  13.182 -{
  13.183 -	u32 f1, f2;
  13.184 -
  13.185 -	asm("pushfl\n\t"
  13.186 -	    "pushfl\n\t"
  13.187 -	    "popl %0\n\t"
  13.188 -	    "movl %0,%1\n\t"
  13.189 -	    "xorl %2,%0\n\t"
  13.190 -	    "pushl %0\n\t"
  13.191 -	    "popfl\n\t"
  13.192 -	    "pushfl\n\t"
  13.193 -	    "popl %0\n\t"
  13.194 -	    "popfl\n\t"
  13.195 -	    : "=&r" (f1), "=&r" (f2)
  13.196 -	    : "ir" (flag));
  13.197 -
  13.198 -	return ((f1^f2) & flag) != 0;
  13.199 -}
  13.200 -
  13.201 -
  13.202 -/* Probe for the CPUID instruction */
  13.203 -int __init have_cpuid_p(void)
  13.204 -{
  13.205 -	return flag_is_changeable_p(X86_EFLAGS_ID);
  13.206 -}
  13.207 -
  13.208 -/* Do minimum CPU detection early.
  13.209 -   Fields really needed: vendor, cpuid_level, family, model, mask, cache alignment.
  13.210 -   The others are not touched to avoid unwanted side effects. */
  13.211 -void __init early_cpu_detect(void)
  13.212 -{
  13.213 -	struct cpuinfo_x86 *c = &boot_cpu_data;
  13.214 -
  13.215 -	c->x86_cache_alignment = 32;
  13.216 -
  13.217 -	if (!have_cpuid_p())
  13.218 -		return;
  13.219 -
  13.220 -	/* Get vendor name */
  13.221 -	cpuid(0x00000000, &c->cpuid_level,
  13.222 -	      (int *)&c->x86_vendor_id[0],
  13.223 -	      (int *)&c->x86_vendor_id[8],
  13.224 -	      (int *)&c->x86_vendor_id[4]);
  13.225 -
  13.226 -	get_cpu_vendor(c, 1);
  13.227 -
  13.228 -	c->x86 = 4;
  13.229 -	if (c->cpuid_level >= 0x00000001) {
  13.230 -		u32 junk, tfms, cap0, misc;
  13.231 -		cpuid(0x00000001, &tfms, &misc, &junk, &cap0);
  13.232 -		c->x86 = (tfms >> 8) & 15;
  13.233 -		c->x86_model = (tfms >> 4) & 15;
  13.234 -		if (c->x86 == 0xf) {
  13.235 -			c->x86 += (tfms >> 20) & 0xff;
  13.236 -			c->x86_model += ((tfms >> 16) & 0xF) << 4;
  13.237 -		}
  13.238 -		c->x86_mask = tfms & 15;
  13.239 -		if (cap0 & (1<<19))
  13.240 -			c->x86_cache_alignment = ((misc >> 8) & 0xff) * 8;
  13.241 -	}
  13.242 -
  13.243 -	early_intel_workaround(c);
  13.244 -}
  13.245 -
  13.246 -void __init generic_identify(struct cpuinfo_x86 * c)
  13.247 -{
  13.248 -	u32 tfms, xlvl;
  13.249 -	int junk;
  13.250 -
  13.251 -	if (have_cpuid_p()) {
  13.252 -		/* Get vendor name */
  13.253 -		cpuid(0x00000000, &c->cpuid_level,
  13.254 -		      (int *)&c->x86_vendor_id[0],
  13.255 -		      (int *)&c->x86_vendor_id[8],
  13.256 -		      (int *)&c->x86_vendor_id[4]);
  13.257 -		
  13.258 -		get_cpu_vendor(c, 0);
  13.259 -		/* Initialize the standard set of capabilities */
  13.260 -		/* Note that the vendor-specific code below might override */
  13.261 -	
  13.262 -		/* Intel-defined flags: level 0x00000001 */
  13.263 -		if ( c->cpuid_level >= 0x00000001 ) {
  13.264 -			u32 capability, excap;
  13.265 -			cpuid(0x00000001, &tfms, &junk, &excap, &capability);
  13.266 -			c->x86_capability[0] = capability;
  13.267 -			c->x86_capability[4] = excap;
  13.268 -			c->x86 = (tfms >> 8) & 15;
  13.269 -			c->x86_model = (tfms >> 4) & 15;
  13.270 -			if (c->x86 == 0xf) {
  13.271 -				c->x86 += (tfms >> 20) & 0xff;
  13.272 -				c->x86_model += ((tfms >> 16) & 0xF) << 4;
  13.273 -			} 
  13.274 -			c->x86_mask = tfms & 15;
  13.275 -		} else {
  13.276 -			/* Have CPUID level 0 only - unheard of */
  13.277 -			c->x86 = 4;
  13.278 -		}
  13.279 -
  13.280 -		/* AMD-defined flags: level 0x80000001 */
  13.281 -		xlvl = cpuid_eax(0x80000000);
  13.282 -		if ( (xlvl & 0xffff0000) == 0x80000000 ) {
  13.283 -			if ( xlvl >= 0x80000001 )
  13.284 -				c->x86_capability[1] = cpuid_edx(0x80000001);
  13.285 -			if ( xlvl >= 0x80000004 )
  13.286 -				get_model_name(c); /* Default name */
  13.287 -		}
  13.288 -	}
  13.289 -}
  13.290 -
  13.291 -static void __init squash_the_stupid_serial_number(struct cpuinfo_x86 *c)
  13.292 -{
  13.293 -	if (cpu_has(c, X86_FEATURE_PN) && disable_x86_serial_nr ) {
  13.294 -		/* Disable processor serial number */
  13.295 -		unsigned long lo,hi;
  13.296 -		rdmsr(MSR_IA32_BBL_CR_CTL,lo,hi);
  13.297 -		lo |= 0x200000;
  13.298 -		wrmsr(MSR_IA32_BBL_CR_CTL,lo,hi);
  13.299 -		printk(KERN_NOTICE "CPU serial number disabled.\n");
  13.300 -		clear_bit(X86_FEATURE_PN, c->x86_capability);
  13.301 -
  13.302 -		/* Disabling the serial number may affect the cpuid level */
  13.303 -		c->cpuid_level = cpuid_eax(0);
  13.304 -	}
  13.305 -}
  13.306 -
  13.307 -static int __init x86_serial_nr_setup(char *s)
  13.308 -{
  13.309 -	disable_x86_serial_nr = 0;
  13.310 -	return 1;
  13.311 -}
  13.312 -__setup("serialnumber", x86_serial_nr_setup);
  13.313 -
  13.314 -
  13.315 -
  13.316 -/*
  13.317 - * This does the hard work of actually picking apart the CPU stuff...
  13.318 - */
  13.319 -void __init identify_cpu(struct cpuinfo_x86 *c)
  13.320 -{
  13.321 -	int i;
  13.322 -
  13.323 -	c->loops_per_jiffy = loops_per_jiffy;
  13.324 -	c->x86_cache_size = -1;
  13.325 -	c->x86_vendor = X86_VENDOR_UNKNOWN;
  13.326 -	c->cpuid_level = -1;	/* CPUID not detected */
  13.327 -	c->x86_model = c->x86_mask = 0;	/* So far unknown... */
  13.328 -	c->x86_vendor_id[0] = '\0'; /* Unset */
  13.329 -	c->x86_model_id[0] = '\0';  /* Unset */
  13.330 -	memset(&c->x86_capability, 0, sizeof c->x86_capability);
  13.331 -
  13.332 -	if (!have_cpuid_p()) {
  13.333 -		/* First of all, decide if this is a 486 or higher */
  13.334 -		/* It's a 486 if we can modify the AC flag */
  13.335 -		if ( flag_is_changeable_p(X86_EFLAGS_AC) )
  13.336 -			c->x86 = 4;
  13.337 -		else
  13.338 -			c->x86 = 3;
  13.339 -	}
  13.340 -
  13.341 -	generic_identify(c);
  13.342 -
  13.343 -	printk(KERN_DEBUG "CPU: After generic identify, caps: %08lx %08lx %08lx %08lx\n",
  13.344 -		c->x86_capability[0],
  13.345 -		c->x86_capability[1],
  13.346 -		c->x86_capability[2],
  13.347 -		c->x86_capability[3]);
  13.348 -
  13.349 -	if (this_cpu->c_identify) {
  13.350 -		this_cpu->c_identify(c);
  13.351 -
  13.352 -	printk(KERN_DEBUG "CPU: After vendor identify, caps:  %08lx %08lx %08lx %08lx\n",
  13.353 -		c->x86_capability[0],
  13.354 -		c->x86_capability[1],
  13.355 -		c->x86_capability[2],
  13.356 -		c->x86_capability[3]);
  13.357 -}
  13.358 -
  13.359 -	/*
  13.360 -	 * Vendor-specific initialization.  In this section we
  13.361 -	 * canonicalize the feature flags, meaning if there are
  13.362 -	 * features a certain CPU supports which CPUID doesn't
  13.363 -	 * tell us, CPUID claiming incorrect flags, or other bugs,
  13.364 -	 * we handle them here.
  13.365 -	 *
  13.366 -	 * At the end of this section, c->x86_capability better
  13.367 -	 * indicate the features this CPU genuinely supports!
  13.368 -	 */
  13.369 -	if (this_cpu->c_init)
  13.370 -		this_cpu->c_init(c);
  13.371 -
  13.372 -	/* Disable the PN if appropriate */
  13.373 -	squash_the_stupid_serial_number(c);
  13.374 -
  13.375 -	/*
  13.376 -	 * The vendor-specific functions might have changed features.  Now
  13.377 -	 * we do "generic changes."
  13.378 -	 */
  13.379 -
  13.380 -	/* TSC disabled? */
  13.381 -	if ( tsc_disable )
  13.382 -		clear_bit(X86_FEATURE_TSC, c->x86_capability);
  13.383 -
  13.384 -	/* FXSR disabled? */
  13.385 -	if (disable_x86_fxsr) {
  13.386 -		clear_bit(X86_FEATURE_FXSR, c->x86_capability);
  13.387 -		clear_bit(X86_FEATURE_XMM, c->x86_capability);
  13.388 -	}
  13.389 -
  13.390 -	if (disable_pse)
  13.391 -		clear_bit(X86_FEATURE_PSE, c->x86_capability);
  13.392 -
  13.393 -	/* If the model name is still unset, do table lookup. */
  13.394 -	if ( !c->x86_model_id[0] ) {
  13.395 -		char *p;
  13.396 -		p = table_lookup_model(c);
  13.397 -		if ( p )
  13.398 -			strcpy(c->x86_model_id, p);
  13.399 -		else
  13.400 -			/* Last resort... */
  13.401 -			sprintf(c->x86_model_id, "%02x/%02x",
  13.402 -				c->x86_vendor, c->x86_model);
  13.403 -	}
  13.404 -
  13.405 -	machine_specific_modify_cpu_capabilities(c);
  13.406 -
  13.407 -	/* Now the feature flags better reflect actual CPU features! */
  13.408 -
  13.409 -	printk(KERN_DEBUG "CPU: After all inits, caps:        %08lx %08lx %08lx %08lx\n",
  13.410 -	       c->x86_capability[0],
  13.411 -	       c->x86_capability[1],
  13.412 -	       c->x86_capability[2],
  13.413 -	       c->x86_capability[3]);
  13.414 -
  13.415 -	/*
  13.416 -	 * On SMP, boot_cpu_data holds the common feature set between
  13.417 -	 * all CPUs; so make sure that we indicate which features are
  13.418 -	 * common between the CPUs.  The first time this routine gets
  13.419 -	 * executed, c == &boot_cpu_data.
  13.420 -	 */
  13.421 -	if ( c != &boot_cpu_data ) {
  13.422 -		/* AND the already accumulated flags with these */
  13.423 -		for ( i = 0 ; i < NCAPINTS ; i++ )
  13.424 -			boot_cpu_data.x86_capability[i] &= c->x86_capability[i];
  13.425 -	}
  13.426 -
  13.427 -	/* Init Machine Check Exception if available. */
  13.428 -#ifdef CONFIG_X86_MCE
  13.429 -	mcheck_init(c);
  13.430 -#endif
  13.431 -}
  13.432 -/*
  13.433 - *	Perform early boot up checks for a valid TSC. See arch/i386/kernel/time.c
  13.434 - */
  13.435 - 
  13.436 -void __init dodgy_tsc(void)
  13.437 -{
  13.438 -	if (( boot_cpu_data.x86_vendor == X86_VENDOR_CYRIX ) ||
  13.439 -	    ( boot_cpu_data.x86_vendor == X86_VENDOR_NSC   ))
  13.440 -		cpu_devs[X86_VENDOR_CYRIX]->c_init(&boot_cpu_data);
  13.441 -}
  13.442 -
  13.443 -void __init print_cpu_info(struct cpuinfo_x86 *c)
  13.444 -{
  13.445 -	char *vendor = NULL;
  13.446 -
  13.447 -	if (c->x86_vendor < X86_VENDOR_NUM)
  13.448 -		vendor = this_cpu->c_vendor;
  13.449 -	else if (c->cpuid_level >= 0)
  13.450 -		vendor = c->x86_vendor_id;
  13.451 -
  13.452 -	if (vendor && strncmp(c->x86_model_id, vendor, strlen(vendor)))
  13.453 -		printk("%s ", vendor);
  13.454 -
  13.455 -	if (!c->x86_model_id[0])
  13.456 -		printk("%d86", c->x86);
  13.457 -	else
  13.458 -		printk("%s", c->x86_model_id);
  13.459 -
  13.460 -	if (c->x86_mask || c->cpuid_level >= 0) 
  13.461 -		printk(" stepping %02x\n", c->x86_mask);
  13.462 -	else
  13.463 -		printk("\n");
  13.464 -}
  13.465 -
  13.466 -unsigned long cpu_initialized __initdata = 0;
  13.467 -
  13.468 -/* This is hacky. :)
  13.469 - * We're emulating future behavior.
  13.470 - * In the future, the cpu-specific init functions will be called implicitly
  13.471 - * via the magic of initcalls.
  13.472 - * They will insert themselves into the cpu_devs structure.
  13.473 - * Then, when cpu_init() is called, we can just iterate over that array.
  13.474 - */
  13.475 -
  13.476 -extern int intel_cpu_init(void);
  13.477 -extern int cyrix_init_cpu(void);
  13.478 -extern int nsc_init_cpu(void);
  13.479 -extern int amd_init_cpu(void);
  13.480 -extern int centaur_init_cpu(void);
  13.481 -extern int transmeta_init_cpu(void);
  13.482 -extern int rise_init_cpu(void);
  13.483 -extern int nexgen_init_cpu(void);
  13.484 -extern int umc_init_cpu(void);
  13.485 -void early_cpu_detect(void);
  13.486 -
  13.487 -void __init early_cpu_init(void)
  13.488 -{
  13.489 -	intel_cpu_init();
  13.490 -	cyrix_init_cpu();
  13.491 -	nsc_init_cpu();
  13.492 -	amd_init_cpu();
  13.493 -	centaur_init_cpu();
  13.494 -	transmeta_init_cpu();
  13.495 -	rise_init_cpu();
  13.496 -	nexgen_init_cpu();
  13.497 -	umc_init_cpu();
  13.498 -	early_cpu_detect();
  13.499 -
  13.500 -#ifdef CONFIG_DEBUG_PAGEALLOC
  13.501 -	/* pse is not compatible with on-the-fly unmapping,
  13.502 -	 * disable it even if the cpus claim to support it.
  13.503 -	 */
  13.504 -	clear_bit(X86_FEATURE_PSE, boot_cpu_data.x86_capability);
  13.505 -	disable_pse = 1;
  13.506 -#endif
  13.507 -}
  13.508 -
  13.509 -void __init cpu_gdt_init(struct Xgt_desc_struct *gdt_descr)
  13.510 -{
  13.511 -	unsigned long frames[gdt_descr->size >> PAGE_SHIFT];
  13.512 -	unsigned long va;
  13.513 -	int f;
  13.514 -
  13.515 -	for (va = gdt_descr->address, f = 0;
  13.516 -	     va < gdt_descr->address + gdt_descr->size;
  13.517 -	     va += PAGE_SIZE, f++) {
  13.518 -		frames[f] = virt_to_machine(va) >> PAGE_SHIFT;
  13.519 -		make_page_readonly((void *)va);
  13.520 -	}
  13.521 -	flush_page_update_queue();
  13.522 -	if (HYPERVISOR_set_gdt(frames, gdt_descr->size / 8))
  13.523 -		BUG();
  13.524 -	lgdt_finish();
  13.525 -}
  13.526 -
  13.527 -/*
  13.528 - * cpu_init() initializes state that is per-CPU. Some data is already
  13.529 - * initialized (naturally) in the bootstrap process, such as the GDT
  13.530 - * and IDT. We reload them nevertheless, this function acts as a
  13.531 - * 'CPU state barrier', nothing should get across.
  13.532 - */
  13.533 -void __init cpu_init (void)
  13.534 -{
  13.535 -	int cpu = smp_processor_id();
  13.536 -	struct tss_struct * t = &per_cpu(init_tss, cpu);
  13.537 -	struct thread_struct *thread = &current->thread;
  13.538 -
  13.539 -	if (test_and_set_bit(cpu, &cpu_initialized)) {
  13.540 -		printk(KERN_WARNING "CPU#%d already initialized!\n", cpu);
  13.541 -		for (;;) local_irq_enable();
  13.542 -	}
  13.543 -	printk(KERN_INFO "Initializing CPU#%d\n", cpu);
  13.544 -
  13.545 -	if (cpu_has_vme || cpu_has_de)
  13.546 -		clear_in_cr4(X86_CR4_VME|X86_CR4_PVI|X86_CR4_TSD|X86_CR4_DE);
  13.547 -	if (tsc_disable && cpu_has_tsc) {
  13.548 -		printk(KERN_NOTICE "Disabling TSC...\n");
  13.549 -		/**** FIX-HPA: DOES THIS REALLY BELONG HERE? ****/
  13.550 -		clear_bit(X86_FEATURE_TSC, boot_cpu_data.x86_capability);
  13.551 -		set_in_cr4(X86_CR4_TSD);
  13.552 -	}
  13.553 -
  13.554 -	/*
  13.555 -	 * Set up the per-thread TLS descriptor cache:
  13.556 -	 */
  13.557 -	memcpy(thread->tls_array, &get_cpu_gdt_table(cpu)[GDT_ENTRY_TLS_MIN],
  13.558 -	    GDT_ENTRY_TLS_ENTRIES * 8);
  13.559 -
  13.560 -	cpu_gdt_init(&cpu_gdt_descr[cpu]);
  13.561 -
  13.562 -	/*
  13.563 -	 * Delete NT
  13.564 -	 */
  13.565 -	__asm__("pushfl ; andl $0xffffbfff,(%esp) ; popfl");
  13.566 -
  13.567 -	/*
  13.568 -	 * Set up and load the per-CPU TSS and LDT
  13.569 -	 */
  13.570 -	atomic_inc(&init_mm.mm_count);
  13.571 -	current->active_mm = &init_mm;
  13.572 -	if (current->mm)
  13.573 -		BUG();
  13.574 -	enter_lazy_tlb(&init_mm, current);
  13.575 -
  13.576 -	load_esp0(t, thread);
  13.577 -
  13.578 -	load_LDT(&init_mm.context);
  13.579 -	flush_page_update_queue();
  13.580 -
  13.581 -	/* Clear %fs and %gs. */
  13.582 -	asm volatile ("xorl %eax, %eax; movl %eax, %fs; movl %eax, %gs");
  13.583 -
  13.584 -	/* Clear all 6 debug registers: */
  13.585 -
  13.586 -#define CD(register) HYPERVISOR_set_debugreg(register, 0)
  13.587 -
  13.588 -	CD(0); CD(1); CD(2); CD(3); /* no db4 and db5 */; CD(6); CD(7);
  13.589 -
  13.590 -#undef CD
  13.591 -
  13.592 -	/*
  13.593 -	 * Force FPU initialization:
  13.594 -	 */
  13.595 -	current_thread_info()->status = 0;
  13.596 -	current->used_math = 0;
  13.597 -	mxcsr_feature_mask_init();
  13.598 -}
  13.599 -
  13.600 -
  13.601 -int get_smp_processor_id(void)
  13.602 -{
  13.603 -	return smp_processor_id();
  13.604 -}
    14.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/mtrr/Makefile	Sat Mar 12 14:48:18 2005 +0000
    14.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    14.3 @@ -1,16 +0,0 @@
    14.4 -obj-y	:= main.o
    14.5 -c-obj-y	:= if.o
    14.6 -
    14.7 -c-link	:=
    14.8 -
    14.9 -$(patsubst %.o,$(obj)/%.c,$(c-obj-y) $(c-link)): $(obj)/mtrr.h
   14.10 -	@ln -fsn $(srctree)/arch/i386/kernel/cpu/mtrr/$(notdir $@) $@
   14.11 -
   14.12 -$(patsubst %.o,$(obj)/%.c,$(obj-y)): $(obj)/mtrr.h
   14.13 -
   14.14 -$(obj)/mtrr.h:
   14.15 -	@ln -fsn $(srctree)/arch/i386/kernel/cpu/mtrr/mtrr.h $@
   14.16 -
   14.17 -obj-y	+= $(c-obj-y)
   14.18 -
   14.19 -clean-files += $(patsubst %.o,%.c,$(c-obj-y) $(c-obj-) $(c-link))
    15.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/cpu/mtrr/main.c	Sat Mar 12 14:48:18 2005 +0000
    15.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    15.3 @@ -1,165 +0,0 @@
    15.4 -#include <linux/init.h>
    15.5 -#include <linux/proc_fs.h>
    15.6 -#include <linux/ctype.h>
    15.7 -#include <linux/module.h>
    15.8 -#include <linux/seq_file.h>
    15.9 -#include <asm/uaccess.h>
   15.10 -
   15.11 -#include <asm/mtrr.h>
   15.12 -#include "mtrr.h"
   15.13 -
   15.14 -void generic_get_mtrr(unsigned int reg, unsigned long *base,
   15.15 -		      unsigned int *size, mtrr_type * type)
   15.16 -{
   15.17 -	dom0_op_t op;
   15.18 -
   15.19 -	op.cmd = DOM0_READ_MEMTYPE;
   15.20 -	op.u.read_memtype.reg = reg;
   15.21 -	(void)HYPERVISOR_dom0_op(&op);
   15.22 -
   15.23 -	*size = op.u.read_memtype.nr_pfns;
   15.24 -	*base = op.u.read_memtype.pfn;
   15.25 -	*type = op.u.read_memtype.type;
   15.26 -}
   15.27 -
   15.28 -struct mtrr_ops generic_mtrr_ops = {
   15.29 -	.use_intel_if      = 1,
   15.30 -	.get               = generic_get_mtrr,
   15.31 -};
   15.32 -
   15.33 -struct mtrr_ops *mtrr_if = &generic_mtrr_ops;
   15.34 -unsigned int num_var_ranges;
   15.35 -unsigned int *usage_table;
   15.36 -
   15.37 -void __init set_num_var_ranges(void)
   15.38 -{
   15.39 -	dom0_op_t op;
   15.40 -
   15.41 -	for (num_var_ranges = 0; ; num_var_ranges++) {
   15.42 -		op.cmd = DOM0_READ_MEMTYPE;
   15.43 -		op.u.read_memtype.reg = num_var_ranges;
   15.44 -		if (HYPERVISOR_dom0_op(&op) != 0)
   15.45 -			break;
   15.46 -	}
   15.47 -}
   15.48 -
   15.49 -static void __init init_table(void)
   15.50 -{
   15.51 -	int i, max;
   15.52 -
   15.53 -	max = num_var_ranges;
   15.54 -	if ((usage_table = kmalloc(max * sizeof *usage_table, GFP_KERNEL))
   15.55 -	    == NULL) {
   15.56 -		printk(KERN_ERR "mtrr: could not allocate\n");
   15.57 -		return;
   15.58 -	}
   15.59 -	for (i = 0; i < max; i++)
   15.60 -		usage_table[i] = 0;
   15.61 -}
   15.62 -
   15.63 -int mtrr_add_page(unsigned long base, unsigned long size, 
   15.64 -		  unsigned int type, char increment)
   15.65 -{
   15.66 -	int error;
   15.67 -	dom0_op_t op;
   15.68 -
   15.69 -	op.cmd = DOM0_ADD_MEMTYPE;
   15.70 -	op.u.add_memtype.pfn     = base;
   15.71 -	op.u.add_memtype.nr_pfns = size;
   15.72 -	op.u.add_memtype.type    = type;
   15.73 -	if ((error = HYPERVISOR_dom0_op(&op)))
   15.74 -		return error;
   15.75 -
   15.76 -	if (increment)
   15.77 -		++usage_table[op.u.add_memtype.reg];
   15.78 -
   15.79 -	return op.u.add_memtype.reg;
   15.80 -}
   15.81 -
   15.82 -int
   15.83 -mtrr_add(unsigned long base, unsigned long size, unsigned int type,
   15.84 -	 char increment)
   15.85 -{
   15.86 -	if ((base & (PAGE_SIZE - 1)) || (size & (PAGE_SIZE - 1))) {
   15.87 -		printk(KERN_WARNING "mtrr: size and base must be multiples of 4 kiB\n");
   15.88 -		printk(KERN_DEBUG "mtrr: size: 0x%lx  base: 0x%lx\n", size, base);
   15.89 -		return -EINVAL;
   15.90 -	}
   15.91 -	return mtrr_add_page(base >> PAGE_SHIFT, size >> PAGE_SHIFT, type,
   15.92 -			     increment);
   15.93 -}
   15.94 -
   15.95 -int mtrr_del_page(int reg, unsigned long base, unsigned long size)
   15.96 -{
   15.97 -	int i, max;
   15.98 -	mtrr_type ltype;
   15.99 -	unsigned long lbase;
  15.100 -	unsigned int lsize;
  15.101 -	int error = -EINVAL;
  15.102 -	dom0_op_t op;
  15.103 -
  15.104 -	max = num_var_ranges;
  15.105 -	if (reg < 0) {
  15.106 -		/*  Search for existing MTRR  */
  15.107 -		for (i = 0; i < max; ++i) {
  15.108 -			mtrr_if->get(i, &lbase, &lsize, &ltype);
  15.109 -			if (lbase == base && lsize == size) {
  15.110 -				reg = i;
  15.111 -				break;
  15.112 -			}
  15.113 -		}
  15.114 -		if (reg < 0) {
  15.115 -			printk(KERN_DEBUG "mtrr: no MTRR for %lx000,%lx000 found\n", base,
  15.116 -			       size);
  15.117 -			goto out;
  15.118 -		}
  15.119 -	}
  15.120 -	if (usage_table[reg] < 1) {
  15.121 -		printk(KERN_WARNING "mtrr: reg: %d has count=0\n", reg);
  15.122 -		goto out;
  15.123 -	}
  15.124 -	if (--usage_table[reg] < 1) {
  15.125 -		op.cmd = DOM0_DEL_MEMTYPE;
  15.126 -		op.u.del_memtype.handle = 0;
  15.127 -		op.u.add_memtype.reg    = reg;
  15.128 -		(void)HYPERVISOR_dom0_op(&op);
  15.129 -	}
  15.130 -	error = reg;
  15.131 - out:
  15.132 -	return error;
  15.133 -}
  15.134 -
  15.135 -int
  15.136 -mtrr_del(int reg, unsigned long base, unsigned long size)
  15.137 -{
  15.138 -	if ((base & (PAGE_SIZE - 1)) || (size & (PAGE_SIZE - 1))) {
  15.139 -		printk(KERN_INFO "mtrr: size and base must be multiples of 4 kiB\n");
  15.140 -		printk(KERN_DEBUG "mtrr: size: 0x%lx  base: 0x%lx\n", size, base);
  15.141 -		return -EINVAL;
  15.142 -	}
  15.143 -	return mtrr_del_page(reg, base >> PAGE_SHIFT, size >> PAGE_SHIFT);
  15.144 -}
  15.145 -
  15.146 -EXPORT_SYMBOL(mtrr_add);
  15.147 -EXPORT_SYMBOL(mtrr_del);
  15.148 -
  15.149 -static int __init mtrr_init(void)
  15.150 -{
  15.151 -	struct cpuinfo_x86 *c = &boot_cpu_data;
  15.152 -
  15.153 -	if (!(xen_start_info.flags & SIF_PRIVILEGED))
  15.154 -		return -ENODEV;
  15.155 -
  15.156 -	if ((!cpu_has(c, X86_FEATURE_MTRR)) &&
  15.157 -	    (!cpu_has(c, X86_FEATURE_K6_MTRR)) &&
  15.158 -	    (!cpu_has(c, X86_FEATURE_CYRIX_ARR)) &&
  15.159 -	    (!cpu_has(c, X86_FEATURE_CENTAUR_MCR)))
  15.160 -		return -ENODEV;
  15.161 -
  15.162 -	set_num_var_ranges();
  15.163 -	init_table();
  15.164 -
  15.165 -	return 0;
  15.166 -}
  15.167 -
  15.168 -subsys_initcall(mtrr_init);
    16.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/entry.S	Sat Mar 12 14:48:18 2005 +0000
    16.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    16.3 @@ -1,1080 +0,0 @@
    16.4 -/*
    16.5 - *  linux/arch/i386/entry.S
    16.6 - *
    16.7 - *  Copyright (C) 1991, 1992  Linus Torvalds
    16.8 - */
    16.9 -
   16.10 -/*
   16.11 - * entry.S contains the system-call and fault low-level handling routines.
   16.12 - * This also contains the timer-interrupt handler, as well as all interrupts
   16.13 - * and faults that can result in a task-switch.
   16.14 - *
   16.15 - * NOTE: This code handles signal-recognition, which happens every time
   16.16 - * after a timer-interrupt and after each system call.
   16.17 - *
   16.18 - * I changed all the .align's to 4 (16 byte alignment), as that's faster
   16.19 - * on a 486.
   16.20 - *
   16.21 - * Stack layout in 'ret_from_system_call':
   16.22 - * 	ptrace needs to have all regs on the stack.
   16.23 - *	if the order here is changed, it needs to be
   16.24 - *	updated in fork.c:copy_process, signal.c:do_signal,
   16.25 - *	ptrace.c and ptrace.h
   16.26 - *
   16.27 - *	 0(%esp) - %ebx
   16.28 - *	 4(%esp) - %ecx
   16.29 - *	 8(%esp) - %edx
   16.30 - *       C(%esp) - %esi
   16.31 - *	10(%esp) - %edi
   16.32 - *	14(%esp) - %ebp
   16.33 - *	18(%esp) - %eax
   16.34 - *	1C(%esp) - %ds
   16.35 - *	20(%esp) - %es
   16.36 - *	24(%esp) - orig_eax
   16.37 - *	28(%esp) - %eip
   16.38 - *	2C(%esp) - %cs
   16.39 - *	30(%esp) - %eflags
   16.40 - *	34(%esp) - %oldesp
   16.41 - *	38(%esp) - %oldss
   16.42 - *
   16.43 - * "current" is in register %ebx during any slow entries.
   16.44 - */
   16.45 -
   16.46 -#include <linux/config.h>
   16.47 -#include <linux/linkage.h>
   16.48 -#include <asm/thread_info.h>
   16.49 -#include <asm/errno.h>
   16.50 -#include <asm/segment.h>
   16.51 -#include <asm/smp.h>
   16.52 -#include <asm/page.h>
   16.53 -#include "irq_vectors.h"
   16.54 -#include <asm-xen/xen-public/xen.h>
   16.55 -
   16.56 -#define nr_syscalls ((syscall_table_size)/4)
   16.57 -
   16.58 -EBX		= 0x00
   16.59 -ECX		= 0x04
   16.60 -EDX		= 0x08
   16.61 -ESI		= 0x0C
   16.62 -EDI		= 0x10
   16.63 -EBP		= 0x14
   16.64 -EAX		= 0x18
   16.65 -DS		= 0x1C
   16.66 -ES		= 0x20
   16.67 -ORIG_EAX	= 0x24
   16.68 -EIP		= 0x28
   16.69 -CS		= 0x2C
   16.70 -EVENT_MASK	= 0x2E
   16.71 -EFLAGS		= 0x30
   16.72 -OLDESP		= 0x34
   16.73 -OLDSS		= 0x38
   16.74 -
   16.75 -CF_MASK		= 0x00000001
   16.76 -TF_MASK		= 0x00000100
   16.77 -IF_MASK		= 0x00000200
   16.78 -DF_MASK		= 0x00000400 
   16.79 -NT_MASK		= 0x00004000
   16.80 -VM_MASK		= 0x00020000
   16.81 -
   16.82 -/* Offsets into shared_info_t. */
   16.83 -#define evtchn_upcall_pending		/* 0 */
   16.84 -#define evtchn_upcall_mask		1
   16.85 -
   16.86 -#define sizeof_vcpu_shift		3
   16.87 -
   16.88 -#ifdef CONFIG_SMP
   16.89 -#define XEN_GET_VCPU_INFO(reg)
   16.90 -#define preempt_disable(reg)	incl TI_preempt_count(reg)
   16.91 -#define preempt_enable(reg)	decl TI_preempt_count(reg)
   16.92 -#define XEN_LOCK_VCPU_INFO_SMP(reg) preempt_disable(%ebp)		; \
   16.93 -				movl TI_cpu(%ebp),reg			; \
   16.94 -				shl  $sizeof_vcpu_shift,reg		; \
   16.95 -				addl HYPERVISOR_shared_info,reg
   16.96 -#define XEN_UNLOCK_VCPU_INFO_SMP(reg) preempt_enable(%ebp)
   16.97 -#define XEN_UNLOCK_VCPU_INFO_SMP_fixup .byte 0xff,0xff,0xff
   16.98 -#define Ux00 0xff
   16.99 -#define XEN_LOCKED_BLOCK_EVENTS(reg)	movb $1,evtchn_upcall_mask(reg)
  16.100 -#define XEN_BLOCK_EVENTS(reg)	XEN_LOCK_VCPU_INFO_SMP(reg)		; \
  16.101 -				XEN_LOCKED_BLOCK_EVENTS(reg)		; \
  16.102 -    				XEN_UNLOCK_VCPU_INFO_SMP(reg)
  16.103 -#define XEN_UNBLOCK_EVENTS(reg)	XEN_LOCK_VCPU_INFO_SMP(reg)		; \
  16.104 -				movb $0,evtchn_upcall_mask(reg)		; \
  16.105 -    				XEN_UNLOCK_VCPU_INFO_SMP(reg)
  16.106 -#define XEN_SAVE_UPCALL_MASK(reg,tmp,off) GET_THREAD_INFO(%ebp)		; \
  16.107 -				XEN_LOCK_VCPU_INFO_SMP(reg)		; \
  16.108 -				movb evtchn_upcall_mask(reg), tmp	; \
  16.109 -				movb tmp, off(%esp)			; \
  16.110 -    				XEN_UNLOCK_VCPU_INFO_SMP(reg)
  16.111 -#else
  16.112 -#define XEN_GET_VCPU_INFO(reg)	movl HYPERVISOR_shared_info,reg
  16.113 -#define XEN_LOCK_VCPU_INFO_SMP(reg)
  16.114 -#define XEN_UNLOCK_VCPU_INFO_SMP(reg)
  16.115 -#define XEN_UNLOCK_VCPU_INFO_SMP_fixup
  16.116 -#define Ux00 0x00
  16.117 -#define XEN_LOCKED_BLOCK_EVENTS(reg)	movb $1,evtchn_upcall_mask(reg)
  16.118 -#define XEN_BLOCK_EVENTS(reg)	XEN_LOCKED_BLOCK_EVENTS(reg)
  16.119 -#define XEN_UNBLOCK_EVENTS(reg)	movb $0,evtchn_upcall_mask(reg)
  16.120 -#define XEN_SAVE_UPCALL_MASK(reg,tmp,off) \
  16.121 -	movb evtchn_upcall_mask(reg), tmp; \
  16.122 -	movb tmp, off(%esp)
  16.123 -#endif
  16.124 -
  16.125 -#define XEN_TEST_PENDING(reg)	testb $0xFF,evtchn_upcall_pending(reg)
  16.126 -
  16.127 -#ifdef CONFIG_PREEMPT
  16.128 -#define preempt_stop		XEN_BLOCK_EVENTS(%esi)
  16.129 -#else
  16.130 -#define preempt_stop
  16.131 -#define resume_kernel		restore_all
  16.132 -#endif
  16.133 -
  16.134 -#define SAVE_ALL_NO_EVENTMASK \
  16.135 -	cld; \
  16.136 -	pushl %es; \
  16.137 -	pushl %ds; \
  16.138 -	pushl %eax; \
  16.139 -	pushl %ebp; \
  16.140 -	pushl %edi; \
  16.141 -	pushl %esi; \
  16.142 -	pushl %edx; \
  16.143 -	pushl %ecx; \
  16.144 -	pushl %ebx; \
  16.145 -	movl $(__USER_DS), %edx; \
  16.146 -	movl %edx, %ds; \
  16.147 -	movl %edx, %es;
  16.148 -
  16.149 -#define SAVE_ALL \
  16.150 -	SAVE_ALL_NO_EVENTMASK; \
  16.151 -	XEN_GET_VCPU_INFO(%esi); \
  16.152 -	XEN_SAVE_UPCALL_MASK(%esi,%dl,EVENT_MASK)
  16.153 -
  16.154 -#define RESTORE_INT_REGS \
  16.155 -	popl %ebx;	\
  16.156 -	popl %ecx;	\
  16.157 -	popl %edx;	\
  16.158 -	popl %esi;	\
  16.159 -	popl %edi;	\
  16.160 -	popl %ebp;	\
  16.161 -	popl %eax
  16.162 -
  16.163 -#define RESTORE_REGS	\
  16.164 -	RESTORE_INT_REGS; \
  16.165 -1:	popl %ds;	\
  16.166 -2:	popl %es;	\
  16.167 -.section .fixup,"ax";	\
  16.168 -3:	movl $0,(%esp);	\
  16.169 -	jmp 1b;		\
  16.170 -4:	movl $0,(%esp);	\
  16.171 -	jmp 2b;		\
  16.172 -.previous;		\
  16.173 -.section __ex_table,"a";\
  16.174 -	.align 4;	\
  16.175 -	.long 1b,3b;	\
  16.176 -	.long 2b,4b;	\
  16.177 -.previous
  16.178 -
  16.179 -
  16.180 -#define RESTORE_ALL	\
  16.181 -	RESTORE_REGS	\
  16.182 -	addl $4, %esp;	\
  16.183 -1:	iret;		\
  16.184 -.section .fixup,"ax";   \
  16.185 -2:	movl $(__USER_DS), %edx; \
  16.186 -	movl %edx, %ds; \
  16.187 -	movl %edx, %es; \
  16.188 -	movl $11,%eax;	\
  16.189 -	call do_exit;	\
  16.190 -.previous;		\
  16.191 -.section __ex_table,"a";\
  16.192 -	.align 4;	\
  16.193 -	.long 1b,2b;	\
  16.194 -.previous
  16.195 -
  16.196 -
  16.197 -ENTRY(ret_from_fork)
  16.198 -	pushl %eax
  16.199 -	call schedule_tail
  16.200 -	GET_THREAD_INFO(%ebp)
  16.201 -	popl %eax
  16.202 -	XEN_GET_VCPU_INFO(%esi)
  16.203 -	jmp syscall_exit
  16.204 -
  16.205 -/*
  16.206 - * Return to user mode is not as complex as all this looks,
  16.207 - * but we want the default path for a system call return to
  16.208 - * go as quickly as possible which is why some of this is
  16.209 - * less clear than it otherwise should be.
  16.210 - */
  16.211 -
  16.212 -	# userspace resumption stub bypassing syscall exit tracing
  16.213 -	ALIGN
  16.214 -ret_from_exception:
  16.215 -	preempt_stop
  16.216 -ret_from_intr:
  16.217 -	GET_THREAD_INFO(%ebp)
  16.218 -	movl EFLAGS(%esp), %eax		# mix EFLAGS and CS
  16.219 -	movb CS(%esp), %al
  16.220 -	testl $(VM_MASK | 2), %eax
  16.221 -	jz resume_kernel		# returning to kernel or vm86-space
  16.222 -ENTRY(resume_userspace)
  16.223 -	XEN_GET_VCPU_INFO(%esi)
  16.224 -	XEN_BLOCK_EVENTS(%esi)		# make sure we don't miss an interrupt
  16.225 -					# setting need_resched or sigpending
  16.226 -					# between sampling and the iret
  16.227 -	movl TI_flags(%ebp), %ecx
  16.228 -	andl $_TIF_WORK_MASK, %ecx	# is there any work to be done on
  16.229 -					# int/exception return?
  16.230 -	jne work_pending
  16.231 -	jmp restore_all
  16.232 -
  16.233 -#ifdef CONFIG_PREEMPT
  16.234 -ENTRY(resume_kernel)
  16.235 -	XEN_GET_VCPU_INFO(%esi)
  16.236 -	cmpl $0,TI_preempt_count(%ebp)	# non-zero preempt_count ?
  16.237 -	jnz restore_all
  16.238 -need_resched:
  16.239 -	movl TI_flags(%ebp), %ecx	# need_resched set ?
  16.240 -	testb $_TIF_NEED_RESCHED, %cl
  16.241 -	jz restore_all
  16.242 -	testb $0xFF,EVENT_MASK(%esp)	# interrupts off (exception path) ?
  16.243 -	jnz restore_all
  16.244 -	movl $PREEMPT_ACTIVE,TI_preempt_count(%ebp)
  16.245 -	XEN_UNBLOCK_EVENTS(%esi)
  16.246 -	call schedule
  16.247 -	XEN_BLOCK_EVENTS(%esi)
  16.248 -	movl $0,TI_preempt_count(%ebp)
  16.249 -	jmp need_resched
  16.250 -#endif
  16.251 -
  16.252 -/* SYSENTER_RETURN points to after the "sysenter" instruction in
  16.253 -   the vsyscall page.  See vsyscall-sysentry.S, which defines the symbol.  */
  16.254 -
  16.255 -	# sysenter call handler stub
  16.256 -ENTRY(sysenter_entry)
  16.257 -	movl TSS_sysenter_esp0(%esp),%esp
  16.258 -sysenter_past_esp:
  16.259 -	sti
  16.260 -	pushl $(__USER_DS)
  16.261 -	pushl %ebp
  16.262 -	pushfl
  16.263 -	pushl $(__USER_CS)
  16.264 -	pushl $SYSENTER_RETURN
  16.265 -
  16.266 -/*
  16.267 - * Load the potential sixth argument from user stack.
  16.268 - * Careful about security.
  16.269 - */
  16.270 -	cmpl $__PAGE_OFFSET-3,%ebp
  16.271 -	jae syscall_fault
  16.272 -1:	movl (%ebp),%ebp
  16.273 -.section __ex_table,"a"
  16.274 -	.align 4
  16.275 -	.long 1b,syscall_fault
  16.276 -.previous
  16.277 -
  16.278 -	pushl %eax
  16.279 -	SAVE_ALL
  16.280 -	GET_THREAD_INFO(%ebp)
  16.281 -
  16.282 -	testb $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT),TI_flags(%ebp)
  16.283 -	jnz syscall_trace_entry
  16.284 -	cmpl $(nr_syscalls), %eax
  16.285 -	jae syscall_badsys
  16.286 -	call *sys_call_table(,%eax,4)
  16.287 -	movl %eax,EAX(%esp)
  16.288 -	cli
  16.289 -	movl TI_flags(%ebp), %ecx
  16.290 -	testw $_TIF_ALLWORK_MASK, %cx
  16.291 -	jne syscall_exit_work
  16.292 -/* if something modifies registers it must also disable sysexit */
  16.293 -	movl EIP(%esp), %edx
  16.294 -	movl OLDESP(%esp), %ecx
  16.295 -	xorl %ebp,%ebp
  16.296 -	sti
  16.297 -	sysexit
  16.298 -
  16.299 -
  16.300 -	# system call handler stub
  16.301 -ENTRY(system_call)
  16.302 -	pushl %eax			# save orig_eax
  16.303 -	SAVE_ALL
  16.304 -	GET_THREAD_INFO(%ebp)
  16.305 -					# system call tracing in operation
  16.306 -	testb $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT),TI_flags(%ebp)
  16.307 -	jnz syscall_trace_entry
  16.308 -	cmpl $(nr_syscalls), %eax
  16.309 -	jae syscall_badsys
  16.310 -syscall_call:
  16.311 -	call *sys_call_table(,%eax,4)
  16.312 -	movl %eax,EAX(%esp)		# store the return value
  16.313 -syscall_exit:
  16.314 -	XEN_BLOCK_EVENTS(%esi)		# make sure we don't miss an interrupt
  16.315 -					# setting need_resched or sigpending
  16.316 -					# between sampling and the iret
  16.317 -	movl TI_flags(%ebp), %ecx
  16.318 -	testw $_TIF_ALLWORK_MASK, %cx	# current->work
  16.319 -	jne syscall_exit_work
  16.320 -restore_all:
  16.321 -	testl $VM_MASK, EFLAGS(%esp)
  16.322 -	jnz resume_vm86
  16.323 -	movb EVENT_MASK(%esp), %al
  16.324 -	notb %al			# %al == ~saved_mask
  16.325 -	XEN_LOCK_VCPU_INFO_SMP(%esi)
  16.326 -	andb evtchn_upcall_mask(%esi),%al
  16.327 -	andb $1,%al			# %al == mask & ~saved_mask
  16.328 -	jnz restore_all_enable_events	#     != 0 => reenable event delivery
  16.329 -	XEN_UNLOCK_VCPU_INFO_SMP(%esi)
  16.330 -	RESTORE_ALL
  16.331 -
  16.332 -resume_vm86:
  16.333 -	XEN_UNBLOCK_EVENTS(%esi)
  16.334 -	RESTORE_REGS
  16.335 -	movl %eax,(%esp)
  16.336 -	movl $__HYPERVISOR_switch_vm86,%eax
  16.337 -	int $0x82
  16.338 -	ud2
  16.339 -
  16.340 -	# perform work that needs to be done immediately before resumption
  16.341 -	ALIGN
  16.342 -work_pending:
  16.343 -	testb $_TIF_NEED_RESCHED, %cl
  16.344 -	jz work_notifysig
  16.345 -work_resched:
  16.346 -	call schedule
  16.347 -	XEN_BLOCK_EVENTS(%esi)		# make sure we don't miss an interrupt
  16.348 -					# setting need_resched or sigpending
  16.349 -					# between sampling and the iret
  16.350 -	movl TI_flags(%ebp), %ecx
  16.351 -	andl $_TIF_WORK_MASK, %ecx	# is there any work to be done other
  16.352 -					# than syscall tracing?
  16.353 -	jz restore_all
  16.354 -	testb $_TIF_NEED_RESCHED, %cl
  16.355 -	jnz work_resched
  16.356 -
  16.357 -work_notifysig:				# deal with pending signals and
  16.358 -					# notify-resume requests
  16.359 -	testl $VM_MASK, EFLAGS(%esp)
  16.360 -	movl %esp, %eax
  16.361 -	jne work_notifysig_v86		# returning to kernel-space or
  16.362 -					# vm86-space
  16.363 -	xorl %edx, %edx
  16.364 -	call do_notify_resume
  16.365 -	jmp restore_all
  16.366 -
  16.367 -	ALIGN
  16.368 -work_notifysig_v86:
  16.369 -	pushl %ecx			# save ti_flags for do_notify_resume
  16.370 -	call save_v86_state		# %eax contains pt_regs pointer
  16.371 -	popl %ecx
  16.372 -	movl %eax, %esp
  16.373 -	xorl %edx, %edx
  16.374 -	call do_notify_resume
  16.375 -	jmp restore_all
  16.376 -
  16.377 -	# perform syscall exit tracing
  16.378 -	ALIGN
  16.379 -syscall_trace_entry:
  16.380 -	movl $-ENOSYS,EAX(%esp)
  16.381 -	movl %esp, %eax
  16.382 -	xorl %edx,%edx
  16.383 -	call do_syscall_trace
  16.384 -	movl ORIG_EAX(%esp), %eax
  16.385 -	cmpl $(nr_syscalls), %eax
  16.386 -	jnae syscall_call
  16.387 -	jmp syscall_exit
  16.388 -
  16.389 -	# perform syscall exit tracing
  16.390 -	ALIGN
  16.391 -syscall_exit_work:
  16.392 -	testb $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP), %cl
  16.393 -	jz work_pending
  16.394 -	XEN_UNBLOCK_EVENTS(%esi)	# could let do_syscall_trace() call
  16.395 -					# schedule() instead
  16.396 -	movl %esp, %eax
  16.397 -	movl $1, %edx
  16.398 -	call do_syscall_trace
  16.399 -	jmp resume_userspace
  16.400 -
  16.401 -	ALIGN
  16.402 -syscall_fault:
  16.403 -	pushl %eax			# save orig_eax
  16.404 -	SAVE_ALL
  16.405 -	GET_THREAD_INFO(%ebp)
  16.406 -	movl $-EFAULT,EAX(%esp)
  16.407 -	jmp resume_userspace
  16.408 -
  16.409 -	ALIGN
  16.410 -syscall_badsys:
  16.411 -	movl $-ENOSYS,EAX(%esp)
  16.412 -	jmp resume_userspace
  16.413 -
  16.414 -#if 0 /* XEN */
  16.415 -/*
  16.416 - * Build the entry stubs and pointer table with
  16.417 - * some assembler magic.
  16.418 - */
  16.419 -.data
  16.420 -ENTRY(interrupt)
  16.421 -.text
  16.422 -
  16.423 -vector=0
  16.424 -ENTRY(irq_entries_start)
  16.425 -.rept NR_IRQS
  16.426 -	ALIGN
  16.427 -1:	pushl $vector-256
  16.428 -	jmp common_interrupt
  16.429 -.data
  16.430 -	.long 1b
  16.431 -.text
  16.432 -vector=vector+1
  16.433 -.endr
  16.434 -
  16.435 -	ALIGN
  16.436 -common_interrupt:
  16.437 -	SAVE_ALL
  16.438 -	movl %esp,%eax
  16.439 -	call do_IRQ
  16.440 -	jmp ret_from_intr
  16.441 -
  16.442 -#define BUILD_INTERRUPT(name, nr)	\
  16.443 -ENTRY(name)				\
  16.444 -	pushl $nr-256;			\
  16.445 -	SAVE_ALL			\
  16.446 -	movl %esp,%eax;			\
  16.447 -	call smp_/**/name;		\
  16.448 -	jmp ret_from_intr;
  16.449 -
  16.450 -/* The include is where all of the SMP etc. interrupts come from */
  16.451 -#include "entry_arch.h"
  16.452 -#endif /* XEN */
  16.453 -
  16.454 -ENTRY(divide_error)
  16.455 -	pushl $0			# no error code
  16.456 -	pushl $do_divide_error
  16.457 -	ALIGN
  16.458 -error_code:
  16.459 -	pushl %ds
  16.460 -	pushl %eax
  16.461 -	xorl %eax, %eax
  16.462 -	pushl %ebp
  16.463 -	pushl %edi
  16.464 -	pushl %esi
  16.465 -	pushl %edx
  16.466 -	decl %eax			# eax = -1
  16.467 -	pushl %ecx
  16.468 -	pushl %ebx
  16.469 -	cld
  16.470 -	movl %es, %ecx
  16.471 -	movl ES(%esp), %edi		# get the function address
  16.472 -	movl ORIG_EAX(%esp), %edx	# get the error code
  16.473 -	movl %eax, ORIG_EAX(%esp)
  16.474 -	movl %ecx, ES(%esp)
  16.475 -	movl $(__USER_DS), %ecx
  16.476 -	movl %ecx, %ds
  16.477 -	movl %ecx, %es
  16.478 -	movl %esp,%eax			# pt_regs pointer
  16.479 -	XEN_GET_VCPU_INFO(%esi)
  16.480 -	XEN_SAVE_UPCALL_MASK(%esi,%bl,EVENT_MASK)
  16.481 -	call *%edi
  16.482 -	jmp ret_from_exception
  16.483 -
  16.484 -# A note on the "critical region" in our callback handler.
  16.485 -# We want to avoid stacking callback handlers due to events occurring
  16.486 -# during handling of the last event. To do this, we keep events disabled
  16.487 -# until we've done all processing. HOWEVER, we must enable events before
  16.488 -# popping the stack frame (can't be done atomically) and so it would still
  16.489 -# be possible to get enough handler activations to overflow the stack.
  16.490 -# Although unlikely, bugs of that kind are hard to track down, so we'd
  16.491 -# like to avoid the possibility.
  16.492 -# So, on entry to the handler we detect whether we interrupted an
  16.493 -# existing activation in its critical region -- if so, we pop the current
  16.494 -# activation and restart the handler using the previous one.
  16.495 -ENTRY(hypervisor_callback)
  16.496 -	pushl %eax
  16.497 -	SAVE_ALL_NO_EVENTMASK
  16.498 -	movl EIP(%esp),%eax
  16.499 -	cmpl $scrit,%eax
  16.500 -	jb   11f
  16.501 -	cmpl $ecrit,%eax
  16.502 -	jb   critical_region_fixup
  16.503 -11:	XEN_GET_VCPU_INFO(%esi)
  16.504 -	movb $0, EVENT_MASK(%esp)
  16.505 -	push %esp
  16.506 -	call evtchn_do_upcall
  16.507 -	add  $4,%esp
  16.508 -	jmp  ret_from_intr
  16.509 -
  16.510 -        ALIGN
  16.511 -restore_all_enable_events:  
  16.512 -	XEN_UNBLOCK_EVENTS(%esi)
  16.513 -scrit:	/**** START OF CRITICAL REGION ****/
  16.514 -	XEN_TEST_PENDING(%esi)
  16.515 -	jnz  14f			# process more events if necessary...
  16.516 -	XEN_UNLOCK_VCPU_INFO_SMP(%esi)
  16.517 -	RESTORE_ALL
  16.518 -14:	XEN_LOCKED_BLOCK_EVENTS(%esi)
  16.519 -	XEN_UNLOCK_VCPU_INFO_SMP(%esi)
  16.520 -	jmp  11b
  16.521 -ecrit:  /**** END OF CRITICAL REGION ****/
  16.522 -# [How we do the fixup]. We want to merge the current stack frame with the
  16.523 -# just-interrupted frame. How we do this depends on where in the critical
  16.524 -# region the interrupted handler was executing, and so how many saved
  16.525 -# registers are in each frame. We do this quickly using the lookup table
  16.526 -# 'critical_fixup_table'. For each byte offset in the critical region, it
  16.527 -# provides the number of bytes which have already been popped from the
  16.528 -# interrupted stack frame. 
  16.529 -critical_region_fixup:
  16.530 -	addl $critical_fixup_table-scrit,%eax
  16.531 -	movzbl (%eax),%eax		# %eax contains num bytes popped
  16.532 -#ifdef CONFIG_SMP
  16.533 -	cmpb $0xff,%al
  16.534 -	jne  15f
  16.535 -	add  $1,%al
  16.536 -	GET_THREAD_INFO(%ebp)
  16.537 -	XEN_UNLOCK_VCPU_INFO_SMP(%esi)
  16.538 -15:
  16.539 -#endif
  16.540 -    	mov  %esp,%esi
  16.541 -	add  %eax,%esi			# %esi points at end of src region
  16.542 -	mov  %esp,%edi
  16.543 -	add  $0x34,%edi			# %edi points at end of dst region
  16.544 -	mov  %eax,%ecx
  16.545 -	shr  $2,%ecx			# convert words to bytes
  16.546 -	je   17f			# skip loop if nothing to copy
  16.547 -16:	subl $4,%esi			# pre-decrementing copy loop
  16.548 -	subl $4,%edi
  16.549 -	movl (%esi),%eax
  16.550 -	movl %eax,(%edi)
  16.551 -	loop 16b
  16.552 -17:	movl %edi,%esp			# final %edi is top of merged stack
  16.553 -	jmp  11b
  16.554 -
  16.555 -critical_fixup_table:
  16.556 -	.byte Ux00,Ux00,Ux00		# testb $0xff,(%esi) = XEN_TEST_PENDING
  16.557 -	.byte Ux00,Ux00			# jnz  14f
  16.558 -	XEN_UNLOCK_VCPU_INFO_SMP_fixup
  16.559 -	.byte 0x00			# pop  %ebx
  16.560 -	.byte 0x04			# pop  %ecx
  16.561 -	.byte 0x08			# pop  %edx
  16.562 -	.byte 0x0c			# pop  %esi
  16.563 -	.byte 0x10			# pop  %edi
  16.564 -	.byte 0x14			# pop  %ebp
  16.565 -	.byte 0x18			# pop  %eax
  16.566 -	.byte 0x1c			# pop  %ds
  16.567 -	.byte 0x20			# pop  %es
  16.568 -	.byte 0x24,0x24,0x24		# add  $4,%esp
  16.569 -	.byte 0x28			# iret
  16.570 -	.byte Ux00,Ux00,Ux00,Ux00	# movb $1,1(%esi)
  16.571 -	XEN_UNLOCK_VCPU_INFO_SMP_fixup
  16.572 -	.byte 0x00,0x00			# jmp  11b
  16.573 -
  16.574 -# Hypervisor uses this for application faults while it executes.
  16.575 -ENTRY(failsafe_callback)
  16.576 -1:	popl %ds
  16.577 -2:	popl %es
  16.578 -3:	popl %fs
  16.579 -4:	popl %gs
  16.580 -	subl $4,%esp
  16.581 -	SAVE_ALL
  16.582 -	jmp  ret_from_exception
  16.583 -.section .fixup,"ax";	\
  16.584 -6:	movl $0,(%esp);	\
  16.585 -	jmp 1b;		\
  16.586 -7:	movl $0,(%esp);	\
  16.587 -	jmp 2b;		\
  16.588 -8:	movl $0,(%esp);	\
  16.589 -	jmp 3b;		\
  16.590 -9:	movl $0,(%esp);	\
  16.591 -	jmp 4b;		\
  16.592 -.previous;		\
  16.593 -.section __ex_table,"a";\
  16.594 -	.align 4;	\
  16.595 -	.long 1b,6b;	\
  16.596 -	.long 2b,7b;	\
  16.597 -	.long 3b,8b;	\
  16.598 -	.long 4b,9b;	\
  16.599 -.previous
  16.600 -
  16.601 -ENTRY(coprocessor_error)
  16.602 -	pushl $0
  16.603 -	pushl $do_coprocessor_error
  16.604 -	jmp error_code
  16.605 -
  16.606 -ENTRY(simd_coprocessor_error)
  16.607 -	pushl $0
  16.608 -	pushl $do_simd_coprocessor_error
  16.609 -	jmp error_code
  16.610 -
  16.611 -ENTRY(device_not_available)
  16.612 -	pushl $-1			# mark this as an int
  16.613 -	SAVE_ALL
  16.614 -	preempt_stop
  16.615 -	call math_state_restore
  16.616 -	jmp ret_from_exception
  16.617 -
  16.618 -/*
  16.619 - * Debug traps and NMI can happen at the one SYSENTER instruction
  16.620 - * that sets up the real kernel stack. Check here, since we can't
  16.621 - * allow the wrong stack to be used.
  16.622 - *
  16.623 - * "TSS_sysenter_esp0+12" is because the NMI/debug handler will have
  16.624 - * already pushed 3 words if it hits on the sysenter instruction:
  16.625 - * eflags, cs and eip.
  16.626 - *
  16.627 - * We just load the right stack, and push the three (known) values
  16.628 - * by hand onto the new stack - while updating the return eip past
  16.629 - * the instruction that would have done it for sysenter.
  16.630 - */
  16.631 -#define FIX_STACK(offset, ok, label)		\
  16.632 -	cmpw $__KERNEL_CS,4(%esp);		\
  16.633 -	jne ok;					\
  16.634 -label:						\
  16.635 -	movl TSS_sysenter_esp0+offset(%esp),%esp;	\
  16.636 -	pushfl;					\
  16.637 -	pushl $__KERNEL_CS;			\
  16.638 -	pushl $sysenter_past_esp
  16.639 -
  16.640 -ENTRY(debug)
  16.641 -	cmpl $sysenter_entry,(%esp)
  16.642 -	jne debug_stack_correct
  16.643 -	FIX_STACK(12, debug_stack_correct, debug_esp_fix_insn)
  16.644 -debug_stack_correct:
  16.645 -	pushl $-1			# mark this as an int
  16.646 -	SAVE_ALL
  16.647 -	xorl %edx,%edx			# error code 0
  16.648 -	movl %esp,%eax			# pt_regs pointer
  16.649 -	call do_debug
  16.650 -	testl %eax,%eax
  16.651 -	jnz restore_all
  16.652 -	jmp ret_from_exception
  16.653 -
  16.654 -#if 0 /* XEN */
  16.655 -/*
  16.656 - * NMI is doubly nasty. It can happen _while_ we're handling
  16.657 - * a debug fault, and the debug fault hasn't yet been able to
  16.658 - * clear up the stack. So we first check whether we got  an
  16.659 - * NMI on the sysenter entry path, but after that we need to
  16.660 - * check whether we got an NMI on the debug path where the debug
  16.661 - * fault happened on the sysenter path.
  16.662 - */
  16.663 -ENTRY(nmi)
  16.664 -	cmpl $sysenter_entry,(%esp)
  16.665 -	je nmi_stack_fixup
  16.666 -	pushl %eax
  16.667 -	movl %esp,%eax
  16.668 -	/* Do not access memory above the end of our stack page,
  16.669 -	 * it might not exist.
  16.670 -	 */
  16.671 -	andl $(THREAD_SIZE-1),%eax
  16.672 -	cmpl $(THREAD_SIZE-20),%eax
  16.673 -	popl %eax
  16.674 -	jae nmi_stack_correct
  16.675 -	cmpl $sysenter_entry,12(%esp)
  16.676 -	je nmi_debug_stack_check
  16.677 -nmi_stack_correct:
  16.678 -	pushl %eax
  16.679 -	SAVE_ALL
  16.680 -	xorl %edx,%edx		# zero error code
  16.681 -	movl %esp,%eax		# pt_regs pointer
  16.682 -	call do_nmi
  16.683 -	RESTORE_ALL
  16.684 -
  16.685 -nmi_stack_fixup:
  16.686 -	FIX_STACK(12,nmi_stack_correct, 1)
  16.687 -	jmp nmi_stack_correct
  16.688 -nmi_debug_stack_check:
  16.689 -	cmpw $__KERNEL_CS,16(%esp)
  16.690 -	jne nmi_stack_correct
  16.691 -	cmpl $debug - 1,(%esp)
  16.692 -	jle nmi_stack_correct
  16.693 -	cmpl $debug_esp_fix_insn,(%esp)
  16.694 -	jle nmi_debug_stack_fixup
  16.695 -nmi_debug_stack_fixup:
  16.696 -	FIX_STACK(24,nmi_stack_correct, 1)
  16.697 -	jmp nmi_stack_correct
  16.698 -#endif /* XEN */
  16.699 -
  16.700 -ENTRY(int3)
  16.701 -	pushl $-1			# mark this as an int
  16.702 -	SAVE_ALL
  16.703 -	xorl %edx,%edx		# zero error code
  16.704 -	movl %esp,%eax		# pt_regs pointer
  16.705 -	call do_int3
  16.706 -	testl %eax,%eax
  16.707 -	jnz restore_all
  16.708 -	jmp ret_from_exception
  16.709 -
  16.710 -ENTRY(overflow)
  16.711 -	pushl $0
  16.712 -	pushl $do_overflow
  16.713 -	jmp error_code
  16.714 -
  16.715 -ENTRY(bounds)
  16.716 -	pushl $0
  16.717 -	pushl $do_bounds
  16.718 -	jmp error_code
  16.719 -
  16.720 -ENTRY(invalid_op)
  16.721 -	pushl $0
  16.722 -	pushl $do_invalid_op
  16.723 -	jmp error_code
  16.724 -
  16.725 -ENTRY(coprocessor_segment_overrun)
  16.726 -	pushl $0
  16.727 -	pushl $do_coprocessor_segment_overrun
  16.728 -	jmp error_code
  16.729 -
  16.730 -ENTRY(invalid_TSS)
  16.731 -	pushl $do_invalid_TSS
  16.732 -	jmp error_code
  16.733 -
  16.734 -ENTRY(segment_not_present)
  16.735 -	pushl $do_segment_not_present
  16.736 -	jmp error_code
  16.737 -
  16.738 -ENTRY(stack_segment)
  16.739 -	pushl $do_stack_segment
  16.740 -	jmp error_code
  16.741 -
  16.742 -ENTRY(general_protection)
  16.743 -	pushl $do_general_protection
  16.744 -	jmp error_code
  16.745 -
  16.746 -ENTRY(alignment_check)
  16.747 -	pushl $do_alignment_check
  16.748 -	jmp error_code
  16.749 -
  16.750 -# This handler is special, because it gets an extra value on its stack,
  16.751 -# which is the linear faulting address.
  16.752 -# fastcall register usage:  %eax = pt_regs, %edx = error code,
  16.753 -#			    %ecx = fault address
  16.754 -ENTRY(page_fault)
  16.755 -	pushl %ds
  16.756 -	pushl %eax
  16.757 -	xorl %eax, %eax
  16.758 -	pushl %ebp
  16.759 -	pushl %edi
  16.760 -	pushl %esi
  16.761 -	pushl %edx
  16.762 -	decl %eax			/* eax = -1 */
  16.763 -	pushl %ecx
  16.764 -	pushl %ebx
  16.765 -	cld
  16.766 -	movl %es,%edi
  16.767 -	movl ES(%esp), %ecx		/* get the faulting address */
  16.768 -	movl ORIG_EAX(%esp), %edx	/* get the error code */
  16.769 -	movl %eax, ORIG_EAX(%esp)
  16.770 -	movl %edi, ES(%esp)
  16.771 -	movl $(__KERNEL_DS),%eax
  16.772 -	movl %eax, %ds
  16.773 -	movl %eax, %es
  16.774 -	movl %esp,%eax			/* pt_regs pointer */
  16.775 -	XEN_GET_VCPU_INFO(%esi)
  16.776 -	XEN_SAVE_UPCALL_MASK(%esi,%bl,EVENT_MASK)
  16.777 -	call do_page_fault
  16.778 -	jmp ret_from_exception
  16.779 -
  16.780 -#ifdef CONFIG_X86_MCE
  16.781 -ENTRY(machine_check)
  16.782 -	pushl $0
  16.783 -	pushl machine_check_vector
  16.784 -	jmp error_code
  16.785 -#endif
  16.786 -
  16.787 -ENTRY(fixup_4gb_segment)
  16.788 -	pushl $do_fixup_4gb_segment
  16.789 -	jmp error_code
  16.790 -
  16.791 -.data
  16.792 -ENTRY(sys_call_table)
  16.793 -	.long sys_restart_syscall	/* 0 - old "setup()" system call, used for restarting */
  16.794 -	.long sys_exit
  16.795 -	.long sys_fork
  16.796 -	.long sys_read
  16.797 -	.long sys_write
  16.798 -	.long sys_open		/* 5 */
  16.799 -	.long sys_close
  16.800 -	.long sys_waitpid
  16.801 -	.long sys_creat
  16.802 -	.long sys_link
  16.803 -	.long sys_unlink	/* 10 */
  16.804 -	.long sys_execve
  16.805 -	.long sys_chdir
  16.806 -	.long sys_time
  16.807 -	.long sys_mknod
  16.808 -	.long sys_chmod		/* 15 */
  16.809 -	.long sys_lchown16
  16.810 -	.long sys_ni_syscall	/* old break syscall holder */
  16.811 -	.long sys_stat
  16.812 -	.long sys_lseek
  16.813 -	.long sys_getpid	/* 20 */
  16.814 -	.long sys_mount
  16.815 -	.long sys_oldumount
  16.816 -	.long sys_setuid16
  16.817 -	.long sys_getuid16
  16.818 -	.long sys_stime		/* 25 */
  16.819 -	.long sys_ptrace
  16.820 -	.long sys_alarm
  16.821 -	.long sys_fstat
  16.822 -	.long sys_pause
  16.823 -	.long sys_utime		/* 30 */
  16.824 -	.long sys_ni_syscall	/* old stty syscall holder */
  16.825 -	.long sys_ni_syscall	/* old gtty syscall holder */
  16.826 -	.long sys_access
  16.827 -	.long sys_nice
  16.828 -	.long sys_ni_syscall	/* 35 - old ftime syscall holder */
  16.829 -	.long sys_sync
  16.830 -	.long sys_kill
  16.831 -	.long sys_rename
  16.832 -	.long sys_mkdir
  16.833 -	.long sys_rmdir		/* 40 */
  16.834 -	.long sys_dup
  16.835 -	.long sys_pipe
  16.836 -	.long sys_times
  16.837 -	.long sys_ni_syscall	/* old prof syscall holder */
  16.838 -	.long sys_brk		/* 45 */
  16.839 -	.long sys_setgid16
  16.840 -	.long sys_getgid16
  16.841 -	.long sys_signal
  16.842 -	.long sys_geteuid16
  16.843 -	.long sys_getegid16	/* 50 */
  16.844 -	.long sys_acct
  16.845 -	.long sys_umount	/* recycled never used phys() */
  16.846 -	.long sys_ni_syscall	/* old lock syscall holder */
  16.847 -	.long sys_ioctl
  16.848 -	.long sys_fcntl		/* 55 */
  16.849 -	.long sys_ni_syscall	/* old mpx syscall holder */
  16.850 -	.long sys_setpgid
  16.851 -	.long sys_ni_syscall	/* old ulimit syscall holder */
  16.852 -	.long sys_olduname
  16.853 -	.long sys_umask		/* 60 */
  16.854 -	.long sys_chroot
  16.855 -	.long sys_ustat
  16.856 -	.long sys_dup2
  16.857 -	.long sys_getppid
  16.858 -	.long sys_getpgrp	/* 65 */
  16.859 -	.long sys_setsid
  16.860 -	.long sys_sigaction
  16.861 -	.long sys_sgetmask
  16.862 -	.long sys_ssetmask
  16.863 -	.long sys_setreuid16	/* 70 */
  16.864 -	.long sys_setregid16
  16.865 -	.long sys_sigsuspend
  16.866 -	.long sys_sigpending
  16.867 -	.long sys_sethostname
  16.868 -	.long sys_setrlimit	/* 75 */
  16.869 -	.long sys_old_getrlimit
  16.870 -	.long sys_getrusage
  16.871 -	.long sys_gettimeofday
  16.872 -	.long sys_settimeofday
  16.873 -	.long sys_getgroups16	/* 80 */
  16.874 -	.long sys_setgroups16
  16.875 -	.long old_select
  16.876 -	.long sys_symlink
  16.877 -	.long sys_lstat
  16.878 -	.long sys_readlink	/* 85 */
  16.879 -	.long sys_uselib
  16.880 -	.long sys_swapon
  16.881 -	.long sys_reboot
  16.882 -	.long old_readdir
  16.883 -	.long old_mmap		/* 90 */
  16.884 -	.long sys_munmap
  16.885 -	.long sys_truncate
  16.886 -	.long sys_ftruncate
  16.887 -	.long sys_fchmod
  16.888 -	.long sys_fchown16	/* 95 */
  16.889 -	.long sys_getpriority
  16.890 -	.long sys_setpriority
  16.891 -	.long sys_ni_syscall	/* old profil syscall holder */
  16.892 -	.long sys_statfs
  16.893 -	.long sys_fstatfs	/* 100 */
  16.894 -	.long sys_ioperm
  16.895 -	.long sys_socketcall
  16.896 -	.long sys_syslog
  16.897 -	.long sys_setitimer
  16.898 -	.long sys_getitimer	/* 105 */
  16.899 -	.long sys_newstat
  16.900 -	.long sys_newlstat
  16.901 -	.long sys_newfstat
  16.902 -	.long sys_uname
  16.903 -	.long sys_iopl		/* 110 */
  16.904 -	.long sys_vhangup
  16.905 -	.long sys_ni_syscall	/* old "idle" system call */
  16.906 -	.long sys_vm86old
  16.907 -	.long sys_wait4
  16.908 -	.long sys_swapoff	/* 115 */
  16.909 -	.long sys_sysinfo
  16.910 -	.long sys_ipc
  16.911 -	.long sys_fsync
  16.912 -	.long sys_sigreturn
  16.913 -	.long sys_clone		/* 120 */
  16.914 -	.long sys_setdomainname
  16.915 -	.long sys_newuname
  16.916 -	.long sys_modify_ldt
  16.917 -	.long sys_adjtimex
  16.918 -	.long sys_mprotect	/* 125 */
  16.919 -	.long sys_sigprocmask
  16.920 -	.long sys_ni_syscall	/* old "create_module" */ 
  16.921 -	.long sys_init_module
  16.922 -	.long sys_delete_module
  16.923 -	.long sys_ni_syscall	/* 130:	old "get_kernel_syms" */
  16.924 -	.long sys_quotactl
  16.925 -	.long sys_getpgid
  16.926 -	.long sys_fchdir
  16.927 -	.long sys_bdflush
  16.928 -	.long sys_sysfs		/* 135 */
  16.929 -	.long sys_personality
  16.930 -	.long sys_ni_syscall	/* reserved for afs_syscall */
  16.931 -	.long sys_setfsuid16
  16.932 -	.long sys_setfsgid16
  16.933 -	.long sys_llseek	/* 140 */
  16.934 -	.long sys_getdents
  16.935 -	.long sys_select
  16.936 -	.long sys_flock
  16.937 -	.long sys_msync
  16.938 -	.long sys_readv		/* 145 */
  16.939 -	.long sys_writev
  16.940 -	.long sys_getsid
  16.941 -	.long sys_fdatasync
  16.942 -	.long sys_sysctl
  16.943 -	.long sys_mlock		/* 150 */
  16.944 -	.long sys_munlock
  16.945 -	.long sys_mlockall
  16.946 -	.long sys_munlockall
  16.947 -	.long sys_sched_setparam
  16.948 -	.long sys_sched_getparam   /* 155 */
  16.949 -	.long sys_sched_setscheduler
  16.950 -	.long sys_sched_getscheduler
  16.951 -	.long sys_sched_yield
  16.952 -	.long sys_sched_get_priority_max
  16.953 -	.long sys_sched_get_priority_min  /* 160 */
  16.954 -	.long sys_sched_rr_get_interval
  16.955 -	.long sys_nanosleep
  16.956 -	.long sys_mremap
  16.957 -	.long sys_setresuid16
  16.958 -	.long sys_getresuid16	/* 165 */
  16.959 -	.long sys_vm86
  16.960 -	.long sys_ni_syscall	/* Old sys_query_module */
  16.961 -	.long sys_poll
  16.962 -	.long sys_nfsservctl
  16.963 -	.long sys_setresgid16	/* 170 */
  16.964 -	.long sys_getresgid16
  16.965 -	.long sys_prctl
  16.966 -	.long sys_rt_sigreturn
  16.967 -	.long sys_rt_sigaction
  16.968 -	.long sys_rt_sigprocmask	/* 175 */
  16.969 -	.long sys_rt_sigpending
  16.970 -	.long sys_rt_sigtimedwait
  16.971 -	.long sys_rt_sigqueueinfo
  16.972 -	.long sys_rt_sigsuspend
  16.973 -	.long sys_pread64	/* 180 */
  16.974 -	.long sys_pwrite64
  16.975 -	.long sys_chown16
  16.976 -	.long sys_getcwd
  16.977 -	.long sys_capget
  16.978 -	.long sys_capset	/* 185 */
  16.979 -	.long sys_sigaltstack
  16.980 -	.long sys_sendfile
  16.981 -	.long sys_ni_syscall	/* reserved for streams1 */
  16.982 -	.long sys_ni_syscall	/* reserved for streams2 */
  16.983 -	.long sys_vfork		/* 190 */
  16.984 -	.long sys_getrlimit
  16.985 -	.long sys_mmap2
  16.986 -	.long sys_truncate64
  16.987 -	.long sys_ftruncate64
  16.988 -	.long sys_stat64	/* 195 */
  16.989 -	.long sys_lstat64
  16.990 -	.long sys_fstat64
  16.991 -	.long sys_lchown
  16.992 -	.long sys_getuid
  16.993 -	.long sys_getgid	/* 200 */
  16.994 -	.long sys_geteuid
  16.995 -	.long sys_getegid
  16.996 -	.long sys_setreuid
  16.997 -	.long sys_setregid
  16.998 -	.long sys_getgroups	/* 205 */
  16.999 -	.long sys_setgroups
 16.1000 -	.long sys_fchown
 16.1001 -	.long sys_setresuid
 16.1002 -	.long sys_getresuid
 16.1003 -	.long sys_setresgid	/* 210 */
 16.1004 -	.long sys_getresgid
 16.1005 -	.long sys_chown
 16.1006 -	.long sys_setuid
 16.1007 -	.long sys_setgid
 16.1008 -	.long sys_setfsuid	/* 215 */
 16.1009 -	.long sys_setfsgid
 16.1010 -	.long sys_pivot_root
 16.1011 -	.long sys_mincore
 16.1012 -	.long sys_madvise
 16.1013 -	.long sys_getdents64	/* 220 */
 16.1014 -	.long sys_fcntl64
 16.1015 -	.long sys_ni_syscall	/* reserved for TUX */
 16.1016 -	.long sys_ni_syscall
 16.1017 -	.long sys_gettid
 16.1018 -	.long sys_readahead	/* 225 */
 16.1019 -	.long sys_setxattr
 16.1020 -	.long sys_lsetxattr
 16.1021 -	.long sys_fsetxattr
 16.1022 -	.long sys_getxattr
 16.1023 -	.long sys_lgetxattr	/* 230 */
 16.1024 -	.long sys_fgetxattr
 16.1025 -	.long sys_listxattr
 16.1026 -	.long sys_llistxattr
 16.1027 -	.long sys_flistxattr
 16.1028 -	.long sys_removexattr	/* 235 */
 16.1029 -	.long sys_lremovexattr
 16.1030 -	.long sys_fremovexattr
 16.1031 -	.long sys_tkill
 16.1032 -	.long sys_sendfile64
 16.1033 -	.long sys_futex		/* 240 */
 16.1034 -	.long sys_sched_setaffinity
 16.1035 -	.long sys_sched_getaffinity
 16.1036 -	.long sys_set_thread_area
 16.1037 -	.long sys_get_thread_area
 16.1038 -	.long sys_io_setup	/* 245 */
 16.1039 -	.long sys_io_destroy
 16.1040 -	.long sys_io_getevents
 16.1041 -	.long sys_io_submit
 16.1042 -	.long sys_io_cancel
 16.1043 -	.long sys_fadvise64	/* 250 */
 16.1044 -	.long sys_ni_syscall
 16.1045 -	.long sys_exit_group
 16.1046 -	.long sys_lookup_dcookie
 16.1047 -	.long sys_epoll_create
 16.1048 -	.long sys_epoll_ctl	/* 255 */
 16.1049 -	.long sys_epoll_wait
 16.1050 - 	.long sys_remap_file_pages
 16.1051 - 	.long sys_set_tid_address
 16.1052 - 	.long sys_timer_create
 16.1053 - 	.long sys_timer_settime		/* 260 */
 16.1054 - 	.long sys_timer_gettime
 16.1055 - 	.long sys_timer_getoverrun
 16.1056 - 	.long sys_timer_delete
 16.1057 - 	.long sys_clock_settime
 16.1058 - 	.long sys_clock_gettime		/* 265 */
 16.1059 - 	.long sys_clock_getres
 16.1060 - 	.long sys_clock_nanosleep
 16.1061 -	.long sys_statfs64
 16.1062 -	.long sys_fstatfs64	
 16.1063 -	.long sys_tgkill	/* 270 */
 16.1064 -	.long sys_utimes
 16.1065 - 	.long sys_fadvise64_64
 16.1066 -	.long sys_ni_syscall	/* sys_vserver */
 16.1067 -	.long sys_mbind
 16.1068 -	.long sys_get_mempolicy
 16.1069 -	.long sys_set_mempolicy
 16.1070 -	.long sys_mq_open
 16.1071 -	.long sys_mq_unlink
 16.1072 -	.long sys_mq_timedsend
 16.1073 -	.long sys_mq_timedreceive	/* 280 */
 16.1074 -	.long sys_mq_notify
 16.1075 -	.long sys_mq_getsetattr
 16.1076 -	.long sys_ni_syscall		/* reserved for kexec */
 16.1077 -	.long sys_waitid
 16.1078 -	.long sys_ni_syscall		/* 285 */ /* available */
 16.1079 -	.long sys_add_key
 16.1080 -	.long sys_request_key
 16.1081 -	.long sys_keyctl
 16.1082 -
 16.1083 -syscall_table_size=(.-sys_call_table)
    17.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/head.S	Sat Mar 12 14:48:18 2005 +0000
    17.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    17.3 @@ -1,185 +0,0 @@
    17.4 -
    17.5 -#include <linux/config.h>
    17.6 -
    17.7 -.section __xen_guest
    17.8 -	.ascii	"GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=3.0,VIRT_BASE=0xC0000000"
    17.9 -	.ascii	",LOADER=generic"
   17.10 -	.ascii	",PT_MODE_WRITABLE"
   17.11 -	.byte	0
   17.12 -
   17.13 -.text
   17.14 -#include <linux/threads.h>
   17.15 -#include <linux/linkage.h>
   17.16 -#include <asm/segment.h>
   17.17 -#include <asm/thread_info.h>
   17.18 -#include <asm/asm_offsets.h>
   17.19 -#include <asm-xen/xen-public/arch-x86_32.h>
   17.20 -
   17.21 -/*
   17.22 - * References to members of the new_cpu_data structure.
   17.23 - */
   17.24 -
   17.25 -#define X86		new_cpu_data+CPUINFO_x86
   17.26 -#define X86_VENDOR	new_cpu_data+CPUINFO_x86_vendor
   17.27 -#define X86_MODEL	new_cpu_data+CPUINFO_x86_model
   17.28 -#define X86_MASK	new_cpu_data+CPUINFO_x86_mask
   17.29 -#define X86_HARD_MATH	new_cpu_data+CPUINFO_hard_math
   17.30 -#define X86_CPUID	new_cpu_data+CPUINFO_cpuid_level
   17.31 -#define X86_CAPABILITY	new_cpu_data+CPUINFO_x86_capability
   17.32 -#define X86_VENDOR_ID	new_cpu_data+CPUINFO_x86_vendor_id
   17.33 -
   17.34 -ENTRY(startup_32)
   17.35 -	cld
   17.36 -
   17.37 -	/* Copy the necessary stuff from xen_start_info structure. */
   17.38 -	mov  $xen_start_info_union,%edi
   17.39 -	mov  $128,%ecx
   17.40 -	rep movsl
   17.41 -
   17.42 -#ifdef CONFIG_SMP
   17.43 -ENTRY(startup_32_smp)
   17.44 -	cld
   17.45 -#endif /* CONFIG_SMP */
   17.46 -
   17.47 -	/* Set up the stack pointer */
   17.48 -	lss stack_start,%esp
   17.49 -
   17.50 -checkCPUtype:
   17.51 -
   17.52 -	/* get vendor info */
   17.53 -	xorl %eax,%eax			# call CPUID with 0 -> return vendor ID
   17.54 -	cpuid
   17.55 -	movl %eax,X86_CPUID		# save CPUID level
   17.56 -	movl %ebx,X86_VENDOR_ID		# lo 4 chars
   17.57 -	movl %edx,X86_VENDOR_ID+4	# next 4 chars
   17.58 -	movl %ecx,X86_VENDOR_ID+8	# last 4 chars
   17.59 -
   17.60 -	movl $1,%eax		# Use the CPUID instruction to get CPU type
   17.61 -	cpuid
   17.62 -	movb %al,%cl		# save reg for future use
   17.63 -	andb $0x0f,%ah		# mask processor family
   17.64 -	movb %ah,X86
   17.65 -	andb $0xf0,%al		# mask model
   17.66 -	shrb $4,%al
   17.67 -	movb %al,X86_MODEL
   17.68 -	andb $0x0f,%cl		# mask mask revision
   17.69 -	movb %cl,X86_MASK
   17.70 -	movl %edx,X86_CAPABILITY
   17.71 -
   17.72 -	incb ready
   17.73 -
   17.74 -	xorl %eax,%eax		# Clear FS/GS and LDT
   17.75 -	movl %eax,%fs
   17.76 -	movl %eax,%gs
   17.77 -	cld		# gcc2 wants the direction flag cleared at all times
   17.78 -
   17.79 -#ifdef CONFIG_SMP
   17.80 -	movb ready, %cl	
   17.81 -	cmpb $1,%cl
   17.82 -	je 1f			# the first CPU calls start_kernel
   17.83 -				# all other CPUs call initialize_secondary
   17.84 -	call initialize_secondary
   17.85 -	jmp L6
   17.86 -1:
   17.87 -#endif /* CONFIG_SMP */
   17.88 -	call start_kernel
   17.89 -L6:
   17.90 -	jmp L6			# main should never return here, but
   17.91 -				# just in case, we know what happens.
   17.92 -
   17.93 -ENTRY(lgdt_finish)
   17.94 -	movl $(__KERNEL_DS),%eax	# reload all the segment registers
   17.95 -	movw %ax,%ss			# after changing gdt.
   17.96 -
   17.97 -	movl $(__USER_DS),%eax		# DS/ES contains default USER segment
   17.98 -	movw %ax,%ds
   17.99 -	movw %ax,%es
  17.100 -
  17.101 -	popl %eax			# reload CS by intersegment return
  17.102 -	pushl $(__KERNEL_CS)
  17.103 -	pushl %eax
  17.104 -	lret
  17.105 -
  17.106 -ENTRY(stack_start)
  17.107 -	.long init_thread_union+THREAD_SIZE
  17.108 -	.long __BOOT_DS
  17.109 -
  17.110 -ready:	.byte 0
  17.111 -
  17.112 -.globl idt_descr
  17.113 -.globl cpu_gdt_descr
  17.114 -
  17.115 -	ALIGN
  17.116 -	.word 0				# 32-bit align idt_desc.address
  17.117 -idt_descr:
  17.118 -	.word IDT_ENTRIES*8-1		# idt contains 256 entries
  17.119 -	.long idt_table
  17.120 -
  17.121 -# boot GDT descriptor (later on used by CPU#0):
  17.122 -	.word 0				# 32 bit align gdt_desc.address
  17.123 -cpu_gdt_descr:
  17.124 -	.word GDT_SIZE
  17.125 -	.long cpu_gdt_table
  17.126 -
  17.127 -	.fill NR_CPUS-1,8,0		# space for the other GDT descriptors
  17.128 -
  17.129 -.org 0x1000
  17.130 -ENTRY(empty_zero_page)
  17.131 -
  17.132 -.org 0x2000
  17.133 -ENTRY(swapper_pg_dir)
  17.134 -
  17.135 -.org 0x3000
  17.136 -ENTRY(cpu_gdt_table)
  17.137 -	.quad 0x0000000000000000	/* NULL descriptor */
  17.138 -	.quad 0x0000000000000000	/* 0x0b reserved */
  17.139 -	.quad 0x0000000000000000	/* 0x13 reserved */
  17.140 -	.quad 0x0000000000000000	/* 0x1b reserved */
  17.141 -	.quad 0x0000000000000000	/* 0x20 unused */
  17.142 -	.quad 0x0000000000000000	/* 0x28 unused */
  17.143 -	.quad 0x0000000000000000	/* 0x33 TLS entry 1 */
  17.144 -	.quad 0x0000000000000000	/* 0x3b TLS entry 2 */
  17.145 -	.quad 0x0000000000000000	/* 0x43 TLS entry 3 */
  17.146 -	.quad 0x0000000000000000	/* 0x4b reserved */
  17.147 -	.quad 0x0000000000000000	/* 0x53 reserved */
  17.148 -	.quad 0x0000000000000000	/* 0x5b reserved */
  17.149 -
  17.150 -	.quad 0x00cfbb000000c3ff	/* 0x60 kernel 4GB code at 0x00000000 */
  17.151 -	.quad 0x00cfb3000000c3ff	/* 0x68 kernel 4GB data at 0x00000000 */
  17.152 -	.quad 0x00cffb000000c3ff	/* 0x73 user 4GB code at 0x00000000 */
  17.153 -	.quad 0x00cff3000000c3ff	/* 0x7b user 4GB data at 0x00000000 */
  17.154 -
  17.155 -	.quad 0x0000000000000000	/* 0x80 TSS descriptor */
  17.156 -	.quad 0x0000000000000000	/* 0x88 LDT descriptor */
  17.157 -
  17.158 -	/* Segments used for calling PnP BIOS */
  17.159 -	.quad 0x0000000000000000	/* 0x90 32-bit code */
  17.160 -	.quad 0x0000000000000000	/* 0x98 16-bit code */
  17.161 -	.quad 0x0000000000000000	/* 0xa0 16-bit data */
  17.162 -	.quad 0x0000000000000000	/* 0xa8 16-bit data */
  17.163 -	.quad 0x0000000000000000	/* 0xb0 16-bit data */
  17.164 -	/*
  17.165 -	 * The APM segments have byte granularity and their bases
  17.166 -	 * and limits are set at run time.
  17.167 -	 */
  17.168 -	.quad 0x0000000000000000	/* 0xb8 APM CS    code */
  17.169 -	.quad 0x0000000000000000	/* 0xc0 APM CS 16 code (16 bit) */
  17.170 -	.quad 0x0000000000000000	/* 0xc8 APM DS    data */
  17.171 -
  17.172 -	.quad 0x0000000000000000	/* 0xd0 - unused */
  17.173 -	.quad 0x0000000000000000	/* 0xd8 - unused */
  17.174 -	.quad 0x0000000000000000	/* 0xe0 - unused */
  17.175 -	.quad 0x0000000000000000	/* 0xe8 - unused */
  17.176 -	.quad 0x0000000000000000	/* 0xf0 - unused */
  17.177 -	.quad 0x0000000000000000	/* 0xf8 - GDT entry 31: double-fault TSS */
  17.178 -	.fill GDT_ENTRIES-32,8,0
  17.179 -
  17.180 -.org 0x4000
  17.181 -ENTRY(default_ldt)
  17.182 -
  17.183 -.org 0x5000
  17.184 -/*
  17.185 - * Real beginning of normal "text" segment
  17.186 - */
  17.187 -ENTRY(stext)
  17.188 -ENTRY(_stext)
    18.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/i386_ksyms.c	Sat Mar 12 14:48:18 2005 +0000
    18.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    18.3 @@ -1,196 +0,0 @@
    18.4 -#include <linux/config.h>
    18.5 -#include <linux/module.h>
    18.6 -#include <linux/smp.h>
    18.7 -#include <linux/user.h>
    18.8 -#include <linux/elfcore.h>
    18.9 -#include <linux/mca.h>
   18.10 -#include <linux/sched.h>
   18.11 -#include <linux/in6.h>
   18.12 -#include <linux/interrupt.h>
   18.13 -#include <linux/smp_lock.h>
   18.14 -#include <linux/pm.h>
   18.15 -#include <linux/pci.h>
   18.16 -#include <linux/apm_bios.h>
   18.17 -#include <linux/kernel.h>
   18.18 -#include <linux/string.h>
   18.19 -#include <linux/tty.h>
   18.20 -#include <linux/highmem.h>
   18.21 -#include <linux/time.h>
   18.22 -
   18.23 -#include <asm/semaphore.h>
   18.24 -#include <asm/processor.h>
   18.25 -#include <asm/i387.h>
   18.26 -#include <asm/uaccess.h>
   18.27 -#include <asm/checksum.h>
   18.28 -#include <asm/io.h>
   18.29 -#include <asm/delay.h>
   18.30 -#include <asm/irq.h>
   18.31 -#include <asm/mmx.h>
   18.32 -#include <asm/desc.h>
   18.33 -#include <asm/pgtable.h>
   18.34 -#include <asm/tlbflush.h>
   18.35 -#include <asm/nmi.h>
   18.36 -#include <asm/ist.h>
   18.37 -#include <asm/kdebug.h>
   18.38 -
   18.39 -extern void dump_thread(struct pt_regs *, struct user *);
   18.40 -extern spinlock_t rtc_lock;
   18.41 -
   18.42 -/* This is definitely a GPL-only symbol */
   18.43 -EXPORT_SYMBOL_GPL(cpu_gdt_table);
   18.44 -
   18.45 -#if defined(CONFIG_APM_MODULE)
   18.46 -extern void machine_real_restart(unsigned char *, int);
   18.47 -EXPORT_SYMBOL(machine_real_restart);
   18.48 -extern void default_idle(void);
   18.49 -EXPORT_SYMBOL(default_idle);
   18.50 -#endif
   18.51 -
   18.52 -#ifdef CONFIG_SMP
   18.53 -extern void FASTCALL( __write_lock_failed(rwlock_t *rw));
   18.54 -extern void FASTCALL( __read_lock_failed(rwlock_t *rw));
   18.55 -#endif
   18.56 -
   18.57 -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) || defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE)
   18.58 -extern struct drive_info_struct drive_info;
   18.59 -EXPORT_SYMBOL(drive_info);
   18.60 -#endif
   18.61 -
   18.62 -extern unsigned long cpu_khz;
   18.63 -extern unsigned long get_cmos_time(void);
   18.64 -
   18.65 -/* platform dependent support */
   18.66 -EXPORT_SYMBOL(boot_cpu_data);
   18.67 -EXPORT_SYMBOL(MCA_bus);
   18.68 -#ifdef CONFIG_DISCONTIGMEM
   18.69 -EXPORT_SYMBOL(node_data);
   18.70 -EXPORT_SYMBOL(physnode_map);
   18.71 -#endif
   18.72 -#ifdef CONFIG_X86_NUMAQ
   18.73 -EXPORT_SYMBOL(xquad_portio);
   18.74 -#endif
   18.75 -EXPORT_SYMBOL(dump_thread);
   18.76 -EXPORT_SYMBOL(dump_fpu);
   18.77 -EXPORT_SYMBOL_GPL(kernel_fpu_begin);
   18.78 -EXPORT_SYMBOL(__ioremap);
   18.79 -EXPORT_SYMBOL(ioremap_nocache);
   18.80 -EXPORT_SYMBOL(iounmap);
   18.81 -EXPORT_SYMBOL(probe_irq_mask);
   18.82 -EXPORT_SYMBOL(kernel_thread);
   18.83 -EXPORT_SYMBOL(pm_idle);
   18.84 -#ifdef CONFIG_APM
   18.85 -EXPORT_SYMBOL(pm_power_off);
   18.86 -#endif
   18.87 -EXPORT_SYMBOL(get_cmos_time);
   18.88 -EXPORT_SYMBOL(cpu_khz);
   18.89 -EXPORT_SYMBOL(apm_info);
   18.90 -
   18.91 -EXPORT_SYMBOL(__down_failed);
   18.92 -EXPORT_SYMBOL(__down_failed_interruptible);
   18.93 -EXPORT_SYMBOL(__down_failed_trylock);
   18.94 -EXPORT_SYMBOL(__up_wakeup);
   18.95 -/* Networking helper routines. */
   18.96 -EXPORT_SYMBOL(csum_partial_copy_generic);
   18.97 -/* Delay loops */
   18.98 -EXPORT_SYMBOL(__ndelay);
   18.99 -EXPORT_SYMBOL(__udelay);
  18.100 -EXPORT_SYMBOL(__delay);
  18.101 -EXPORT_SYMBOL(__const_udelay);
  18.102 -
  18.103 -EXPORT_SYMBOL(__get_user_1);
  18.104 -EXPORT_SYMBOL(__get_user_2);
  18.105 -EXPORT_SYMBOL(__get_user_4);
  18.106 -
  18.107 -EXPORT_SYMBOL(strpbrk);
  18.108 -EXPORT_SYMBOL(strstr);
  18.109 -
  18.110 -EXPORT_SYMBOL(strncpy_from_user);
  18.111 -EXPORT_SYMBOL(__strncpy_from_user);
  18.112 -EXPORT_SYMBOL(clear_user);
  18.113 -EXPORT_SYMBOL(__clear_user);
  18.114 -EXPORT_SYMBOL(__copy_from_user_ll);
  18.115 -EXPORT_SYMBOL(__copy_to_user_ll);
  18.116 -EXPORT_SYMBOL(strnlen_user);
  18.117 -
  18.118 -EXPORT_SYMBOL(dma_alloc_coherent);
  18.119 -EXPORT_SYMBOL(dma_free_coherent);
  18.120 -
  18.121 -#ifdef CONFIG_PCI
  18.122 -EXPORT_SYMBOL(pcibios_penalize_isa_irq);
  18.123 -EXPORT_SYMBOL(pci_mem_start);
  18.124 -#endif
  18.125 -
  18.126 -#ifdef CONFIG_PCI_BIOS
  18.127 -EXPORT_SYMBOL(pcibios_set_irq_routing);
  18.128 -EXPORT_SYMBOL(pcibios_get_irq_routing_table);
  18.129 -#endif
  18.130 -
  18.131 -#ifdef CONFIG_X86_USE_3DNOW
  18.132 -EXPORT_SYMBOL(_mmx_memcpy);
  18.133 -EXPORT_SYMBOL(mmx_clear_page);
  18.134 -EXPORT_SYMBOL(mmx_copy_page);
  18.135 -#endif
  18.136 -
  18.137 -#ifdef CONFIG_X86_HT
  18.138 -EXPORT_SYMBOL(smp_num_siblings);
  18.139 -EXPORT_SYMBOL(cpu_sibling_map);
  18.140 -#endif
  18.141 -
  18.142 -#ifdef CONFIG_SMP
  18.143 -EXPORT_SYMBOL(cpu_data);
  18.144 -EXPORT_SYMBOL(cpu_online_map);
  18.145 -EXPORT_SYMBOL(cpu_callout_map);
  18.146 -EXPORT_SYMBOL(__write_lock_failed);
  18.147 -EXPORT_SYMBOL(__read_lock_failed);
  18.148 -
  18.149 -/* Global SMP stuff */
  18.150 -EXPORT_SYMBOL(smp_call_function);
  18.151 -
  18.152 -/* TLB flushing */
  18.153 -EXPORT_SYMBOL(flush_tlb_page);
  18.154 -EXPORT_SYMBOL_GPL(flush_tlb_all);
  18.155 -#endif
  18.156 -
  18.157 -#ifdef CONFIG_X86_IO_APIC
  18.158 -EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector);
  18.159 -#endif
  18.160 -
  18.161 -#ifdef CONFIG_MCA
  18.162 -EXPORT_SYMBOL(machine_id);
  18.163 -#endif
  18.164 -
  18.165 -#ifdef CONFIG_VT
  18.166 -EXPORT_SYMBOL(screen_info);
  18.167 -#endif
  18.168 -
  18.169 -EXPORT_SYMBOL(get_wchan);
  18.170 -
  18.171 -EXPORT_SYMBOL(rtc_lock);
  18.172 -
  18.173 -EXPORT_SYMBOL_GPL(set_nmi_callback);
  18.174 -EXPORT_SYMBOL_GPL(unset_nmi_callback);
  18.175 -
  18.176 -#undef memcmp
  18.177 -extern int memcmp(const void *,const void *,__kernel_size_t);
  18.178 -EXPORT_SYMBOL(memcmp);
  18.179 -
  18.180 -EXPORT_SYMBOL(register_die_notifier);
  18.181 -#ifdef CONFIG_HAVE_DEC_LOCK
  18.182 -EXPORT_SYMBOL(_atomic_dec_and_lock);
  18.183 -#endif
  18.184 -
  18.185 -EXPORT_SYMBOL(__PAGE_KERNEL);
  18.186 -
  18.187 -#ifdef CONFIG_HIGHMEM
  18.188 -EXPORT_SYMBOL(kmap);
  18.189 -EXPORT_SYMBOL(kunmap);
  18.190 -EXPORT_SYMBOL(kmap_atomic);
  18.191 -EXPORT_SYMBOL(kunmap_atomic);
  18.192 -EXPORT_SYMBOL(kmap_atomic_to_page);
  18.193 -#endif
  18.194 -
  18.195 -#if defined(CONFIG_X86_SPEEDSTEP_SMI) || defined(CONFIG_X86_SPEEDSTEP_SMI_MODULE)
  18.196 -EXPORT_SYMBOL(ist_info);
  18.197 -#endif
  18.198 -
  18.199 -EXPORT_SYMBOL(csum_partial);
    19.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/ioport.c	Sat Mar 12 14:48:18 2005 +0000
    19.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    19.3 @@ -1,51 +0,0 @@
    19.4 -#include <linux/sched.h>
    19.5 -#include <linux/kernel.h>
    19.6 -#include <linux/errno.h>
    19.7 -#include <linux/types.h>
    19.8 -#include <linux/ioport.h>
    19.9 -#include <linux/mm.h>
   19.10 -#include <linux/smp.h>
   19.11 -#include <linux/smp_lock.h>
   19.12 -#include <linux/stddef.h>
   19.13 -#include <linux/slab.h>
   19.14 -#include <asm-xen/xen-public/dom0_ops.h>
   19.15 -
   19.16 -asmlinkage long sys_iopl(unsigned int new_io_pl)
   19.17 -{
   19.18 -	unsigned int old_io_pl = current->thread.io_pl;
   19.19 -	dom0_op_t op;
   19.20 -
   19.21 -	if (new_io_pl > 3)
   19.22 -		return -EINVAL;
   19.23 -
   19.24 -	/* Need "raw I/O" privileges for direct port access. */
   19.25 -	if ((new_io_pl > old_io_pl) && !capable(CAP_SYS_RAWIO))
   19.26 -		return -EPERM;
   19.27 -
   19.28 -	if (!(xen_start_info.flags & SIF_PRIVILEGED))
   19.29 -		return -EPERM;
   19.30 -
   19.31 -	/* Maintain OS privileges even if user attempts to relinquish them. */
   19.32 -	if (new_io_pl == 0)
   19.33 -		new_io_pl = 1;
   19.34 -
   19.35 -	/* Change our version of the privilege levels. */
   19.36 -	current->thread.io_pl = new_io_pl;
   19.37 -
   19.38 -	/* Force the change at ring 0. */
   19.39 -	op.cmd           = DOM0_IOPL;
   19.40 -	op.u.iopl.domain = DOMID_SELF;
   19.41 -	op.u.iopl.iopl   = new_io_pl;
   19.42 -	HYPERVISOR_dom0_op(&op);
   19.43 -
   19.44 -	return 0;
   19.45 -}
   19.46 -
   19.47 -asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
   19.48 -{
   19.49 -#if 0
   19.50 -	printk(KERN_INFO "ioperm not fully supported - %s\n",
   19.51 -		turn_on ? "set iopl to 3" : "ignore resource release");
   19.52 -#endif
   19.53 -	return turn_on ? sys_iopl(3) : 0;
   19.54 -}
    20.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/ldt.c	Sat Mar 12 14:48:18 2005 +0000
    20.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    20.3 @@ -1,270 +0,0 @@
    20.4 -/*
    20.5 - * linux/kernel/ldt.c
    20.6 - *
    20.7 - * Copyright (C) 1992 Krishna Balasubramanian and Linus Torvalds
    20.8 - * Copyright (C) 1999 Ingo Molnar <mingo@redhat.com>
    20.9 - */
   20.10 -
   20.11 -#include <linux/errno.h>
   20.12 -#include <linux/sched.h>
   20.13 -#include <linux/string.h>
   20.14 -#include <linux/mm.h>
   20.15 -#include <linux/smp.h>
   20.16 -#include <linux/smp_lock.h>
   20.17 -#include <linux/vmalloc.h>
   20.18 -#include <linux/slab.h>
   20.19 -
   20.20 -#include <asm/uaccess.h>
   20.21 -#include <asm/system.h>
   20.22 -#include <asm/ldt.h>
   20.23 -#include <asm/desc.h>
   20.24 -
   20.25 -#ifdef CONFIG_SMP /* avoids "defined but not used" warnig */
   20.26 -static void flush_ldt(void *null)
   20.27 -{
   20.28 -	if (current->active_mm) {
   20.29 -		load_LDT(&current->active_mm->context);
   20.30 -		flush_page_update_queue();
   20.31 -	}
   20.32 -}
   20.33 -#endif
   20.34 -
   20.35 -static int alloc_ldt(mm_context_t *pc, int mincount, int reload)
   20.36 -{
   20.37 -	void *oldldt;
   20.38 -	void *newldt;
   20.39 -	int oldsize;
   20.40 -
   20.41 -	if (mincount <= pc->size)
   20.42 -		return 0;
   20.43 -	oldsize = pc->size;
   20.44 -	mincount = (mincount+511)&(~511);
   20.45 -	if (mincount*LDT_ENTRY_SIZE > PAGE_SIZE)
   20.46 -		newldt = vmalloc(mincount*LDT_ENTRY_SIZE);
   20.47 -	else
   20.48 -		newldt = kmalloc(mincount*LDT_ENTRY_SIZE, GFP_KERNEL);
   20.49 -
   20.50 -	if (!newldt)
   20.51 -		return -ENOMEM;
   20.52 -
   20.53 -	if (oldsize)
   20.54 -		memcpy(newldt, pc->ldt, oldsize*LDT_ENTRY_SIZE);
   20.55 -	oldldt = pc->ldt;
   20.56 -	memset(newldt+oldsize*LDT_ENTRY_SIZE, 0, (mincount-oldsize)*LDT_ENTRY_SIZE);
   20.57 -	pc->ldt = newldt;
   20.58 -	wmb();
   20.59 -	pc->size = mincount;
   20.60 -	wmb();
   20.61 -
   20.62 -	if (reload) {
   20.63 -#ifdef CONFIG_SMP
   20.64 -		cpumask_t mask;
   20.65 -		preempt_disable();
   20.66 -#endif
   20.67 -		make_pages_readonly(pc->ldt, (pc->size * LDT_ENTRY_SIZE) /
   20.68 -				    PAGE_SIZE);
   20.69 -		load_LDT(pc);
   20.70 -		flush_page_update_queue();
   20.71 -#ifdef CONFIG_SMP
   20.72 -		mask = cpumask_of_cpu(smp_processor_id());
   20.73 -		if (!cpus_equal(current->mm->cpu_vm_mask, mask))
   20.74 -			smp_call_function(flush_ldt, NULL, 1, 1);
   20.75 -		preempt_enable();
   20.76 -#endif
   20.77 -	}
   20.78 -	if (oldsize) {
   20.79 -		make_pages_writable(oldldt, (oldsize * LDT_ENTRY_SIZE) /
   20.80 -			PAGE_SIZE);
   20.81 -		flush_page_update_queue();
   20.82 -		if (oldsize*LDT_ENTRY_SIZE > PAGE_SIZE)
   20.83 -			vfree(oldldt);
   20.84 -		else
   20.85 -			kfree(oldldt);
   20.86 -	}
   20.87 -	return 0;
   20.88 -}
   20.89 -
   20.90 -static inline int copy_ldt(mm_context_t *new, mm_context_t *old)
   20.91 -{
   20.92 -	int err = alloc_ldt(new, old->size, 0);
   20.93 -	if (err < 0)
   20.94 -		return err;
   20.95 -	memcpy(new->ldt, old->ldt, old->size*LDT_ENTRY_SIZE);
   20.96 -	make_pages_readonly(new->ldt, (new->size * LDT_ENTRY_SIZE) /
   20.97 -			    PAGE_SIZE);
   20.98 -	flush_page_update_queue();
   20.99 -	return 0;
  20.100 -}
  20.101 -
  20.102 -/*
  20.103 - * we do not have to muck with descriptors here, that is
  20.104 - * done in switch_mm() as needed.
  20.105 - */
  20.106 -int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
  20.107 -{
  20.108 -	struct mm_struct * old_mm;
  20.109 -	int retval = 0;
  20.110 -
  20.111 -	init_MUTEX(&mm->context.sem);
  20.112 -	mm->context.size = 0;
  20.113 -	old_mm = current->mm;
  20.114 -	if (old_mm && old_mm->context.size > 0) {
  20.115 -		down(&old_mm->context.sem);
  20.116 -		retval = copy_ldt(&mm->context, &old_mm->context);
  20.117 -		up(&old_mm->context.sem);
  20.118 -	}
  20.119 -	return retval;
  20.120 -}
  20.121 -
  20.122 -/*
  20.123 - * No need to lock the MM as we are the last user
  20.124 - */
  20.125 -void destroy_context(struct mm_struct *mm)
  20.126 -{
  20.127 -	if (mm->context.size) {
  20.128 -		if (mm == current->active_mm)
  20.129 -			clear_LDT();
  20.130 -		make_pages_writable(mm->context.ldt, 
  20.131 -				    (mm->context.size * LDT_ENTRY_SIZE) /
  20.132 -				    PAGE_SIZE);
  20.133 -		flush_page_update_queue();
  20.134 -		if (mm->context.size*LDT_ENTRY_SIZE > PAGE_SIZE)
  20.135 -			vfree(mm->context.ldt);
  20.136 -		else
  20.137 -			kfree(mm->context.ldt);
  20.138 -		mm->context.size = 0;
  20.139 -	}
  20.140 -}
  20.141 -
  20.142 -static int read_ldt(void __user * ptr, unsigned long bytecount)
  20.143 -{
  20.144 -	int err;
  20.145 -	unsigned long size;
  20.146 -	struct mm_struct * mm = current->mm;
  20.147 -
  20.148 -	if (!mm->context.size)
  20.149 -		return 0;
  20.150 -	if (bytecount > LDT_ENTRY_SIZE*LDT_ENTRIES)
  20.151 -		bytecount = LDT_ENTRY_SIZE*LDT_ENTRIES;
  20.152 -
  20.153 -	down(&mm->context.sem);
  20.154 -	size = mm->context.size*LDT_ENTRY_SIZE;
  20.155 -	if (size > bytecount)
  20.156 -		size = bytecount;
  20.157 -
  20.158 -	err = 0;
  20.159 -	if (copy_to_user(ptr, mm->context.ldt, size))
  20.160 -		err = -EFAULT;
  20.161 -	up(&mm->context.sem);
  20.162 -	if (err < 0)
  20.163 -		goto error_return;
  20.164 -	if (size != bytecount) {
  20.165 -		/* zero-fill the rest */
  20.166 -		if (clear_user(ptr+size, bytecount-size) != 0) {
  20.167 -			err = -EFAULT;
  20.168 -			goto error_return;
  20.169 -		}
  20.170 -	}
  20.171 -	return bytecount;
  20.172 -error_return:
  20.173 -	return err;
  20.174 -}
  20.175 -
  20.176 -static int read_default_ldt(void __user * ptr, unsigned long bytecount)
  20.177 -{
  20.178 -	int err;
  20.179 -	unsigned long size;
  20.180 -	void *address;
  20.181 -
  20.182 -	err = 0;
  20.183 -	address = &default_ldt[0];
  20.184 -	size = 5*sizeof(struct desc_struct);
  20.185 -	if (size > bytecount)
  20.186 -		size = bytecount;
  20.187 -
  20.188 -	err = size;
  20.189 -	if (copy_to_user(ptr, address, size))
  20.190 -		err = -EFAULT;
  20.191 -
  20.192 -	return err;
  20.193 -}
  20.194 -
  20.195 -static int write_ldt(void __user * ptr, unsigned long bytecount, int oldmode)
  20.196 -{
  20.197 -	struct mm_struct * mm = current->mm;
  20.198 -	__u32 entry_1, entry_2, *lp;
  20.199 -	unsigned long mach_lp;
  20.200 -	int error;
  20.201 -	struct user_desc ldt_info;
  20.202 -
  20.203 -	error = -EINVAL;
  20.204 -	if (bytecount != sizeof(ldt_info))
  20.205 -		goto out;
  20.206 -	error = -EFAULT; 	
  20.207 -	if (copy_from_user(&ldt_info, ptr, sizeof(ldt_info)))
  20.208 -		goto out;
  20.209 -
  20.210 -	error = -EINVAL;
  20.211 -	if (ldt_info.entry_number >= LDT_ENTRIES)
  20.212 -		goto out;
  20.213 -	if (ldt_info.contents == 3) {
  20.214 -		if (oldmode)
  20.215 -			goto out;
  20.216 -		if (ldt_info.seg_not_present == 0)
  20.217 -			goto out;
  20.218 -	}
  20.219 -
  20.220 -	down(&mm->context.sem);
  20.221 -	if (ldt_info.entry_number >= mm->context.size) {
  20.222 -		error = alloc_ldt(&current->mm->context, ldt_info.entry_number+1, 1);
  20.223 -		if (error < 0)
  20.224 -			goto out_unlock;
  20.225 -	}
  20.226 -
  20.227 -	lp = (__u32 *) ((ldt_info.entry_number << 3) + (char *) mm->context.ldt);
  20.228 -	mach_lp = arbitrary_virt_to_machine(lp);
  20.229 -
  20.230 -   	/* Allow LDTs to be cleared by the user. */
  20.231 -   	if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
  20.232 -		if (oldmode || LDT_empty(&ldt_info)) {
  20.233 -			entry_1 = 0;
  20.234 -			entry_2 = 0;
  20.235 -			goto install;
  20.236 -		}
  20.237 -	}
  20.238 -
  20.239 -	entry_1 = LDT_entry_a(&ldt_info);
  20.240 -	entry_2 = LDT_entry_b(&ldt_info);
  20.241 -	if (oldmode)
  20.242 -		entry_2 &= ~(1 << 20);
  20.243 -
  20.244 -	/* Install the new entry ...  */
  20.245 -install:
  20.246 -	error = HYPERVISOR_update_descriptor(mach_lp, entry_1, entry_2);
  20.247 -
  20.248 -out_unlock:
  20.249 -	up(&mm->context.sem);
  20.250 -out:
  20.251 -	return error;
  20.252 -}
  20.253 -
  20.254 -asmlinkage int sys_modify_ldt(int func, void __user *ptr, unsigned long bytecount)
  20.255 -{
  20.256 -	int ret = -ENOSYS;
  20.257 -
  20.258 -	switch (func) {
  20.259 -	case 0:
  20.260 -		ret = read_ldt(ptr, bytecount);
  20.261 -		break;
  20.262 -	case 1:
  20.263 -		ret = write_ldt(ptr, bytecount, 1);
  20.264 -		break;
  20.265 -	case 2:
  20.266 -		ret = read_default_ldt(ptr, bytecount);
  20.267 -		break;
  20.268 -	case 0x11:
  20.269 -		ret = write_ldt(ptr, bytecount, 0);
  20.270 -		break;
  20.271 -	}
  20.272 -	return ret;
  20.273 -}
    21.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/microcode.c	Sat Mar 12 14:48:18 2005 +0000
    21.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    21.3 @@ -1,163 +0,0 @@
    21.4 -/*
    21.5 - *	Intel CPU Microcode Update Driver for Linux
    21.6 - *
    21.7 - *	Copyright (C) 2000-2004 Tigran Aivazian
    21.8 - *
    21.9 - *	This driver allows to upgrade microcode on Intel processors
   21.10 - *	belonging to IA-32 family - PentiumPro, Pentium II, 
   21.11 - *	Pentium III, Xeon, Pentium 4, etc.
   21.12 - *
   21.13 - *	Reference: Section 8.10 of Volume III, Intel Pentium 4 Manual, 
   21.14 - *	Order Number 245472 or free download from:
   21.15 - *		
   21.16 - *	http://developer.intel.com/design/pentium4/manuals/245472.htm
   21.17 - *
   21.18 - *	For more information, go to http://www.urbanmyth.org/microcode
   21.19 - *
   21.20 - *	This program is free software; you can redistribute it and/or
   21.21 - *	modify it under the terms of the GNU General Public License
   21.22 - *	as published by the Free Software Foundation; either version
   21.23 - *	2 of the License, or (at your option) any later version.
   21.24 - */
   21.25 -
   21.26 -//#define DEBUG /* pr_debug */
   21.27 -#include <linux/kernel.h>
   21.28 -#include <linux/init.h>
   21.29 -#include <linux/sched.h>
   21.30 -#include <linux/module.h>
   21.31 -#include <linux/slab.h>
   21.32 -#include <linux/vmalloc.h>
   21.33 -#include <linux/miscdevice.h>
   21.34 -#include <linux/spinlock.h>
   21.35 -#include <linux/mm.h>
   21.36 -#include <linux/syscalls.h>
   21.37 -
   21.38 -#include <asm/msr.h>
   21.39 -#include <asm/uaccess.h>
   21.40 -#include <asm/processor.h>
   21.41 -
   21.42 -MODULE_DESCRIPTION("Intel CPU (IA-32) Microcode Update Driver");
   21.43 -MODULE_AUTHOR("Tigran Aivazian <tigran@veritas.com>");
   21.44 -MODULE_LICENSE("GPL");
   21.45 -
   21.46 -#define MICROCODE_VERSION 	"1.14-xen"
   21.47 -
   21.48 -#define DEFAULT_UCODE_DATASIZE 	(2000) 	  /* 2000 bytes */
   21.49 -#define MC_HEADER_SIZE		(sizeof (microcode_header_t))  	  /* 48 bytes */
   21.50 -#define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) /* 2048 bytes */
   21.51 -
   21.52 -/* no concurrent ->write()s are allowed on /dev/cpu/microcode */
   21.53 -static DECLARE_MUTEX(microcode_sem);
   21.54 -
   21.55 -static void __user *user_buffer;	/* user area microcode data buffer */
   21.56 -static unsigned int user_buffer_size;	/* it's size */
   21.57 -				
   21.58 -static int microcode_open (struct inode *unused1, struct file *unused2)
   21.59 -{
   21.60 -	return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
   21.61 -}
   21.62 -
   21.63 -
   21.64 -static int do_microcode_update (void)
   21.65 -{
   21.66 -	int err;
   21.67 -	dom0_op_t op;
   21.68 -
   21.69 -	err = sys_mlock((unsigned long)user_buffer, user_buffer_size);
   21.70 -	if (err != 0)
   21.71 -		return err;
   21.72 -
   21.73 -	op.cmd = DOM0_MICROCODE;
   21.74 -	op.u.microcode.data = user_buffer;
   21.75 -	op.u.microcode.length = user_buffer_size;
   21.76 -	err = HYPERVISOR_dom0_op(&op);
   21.77 -
   21.78 -	(void)sys_munlock((unsigned long)user_buffer, user_buffer_size);
   21.79 -
   21.80 -	return err;
   21.81 -}
   21.82 -
   21.83 -static ssize_t microcode_write (struct file *file, const char __user *buf, size_t len, loff_t *ppos)
   21.84 -{
   21.85 -	ssize_t ret;
   21.86 -
   21.87 -	if (len < DEFAULT_UCODE_TOTALSIZE) {
   21.88 -		printk(KERN_ERR "microcode: not enough data\n"); 
   21.89 -		return -EINVAL;
   21.90 -	}
   21.91 -
   21.92 -	if ((len >> PAGE_SHIFT) > num_physpages) {
   21.93 -		printk(KERN_ERR "microcode: too much data (max %ld pages)\n", num_physpages);
   21.94 -		return -EINVAL;
   21.95 -	}
   21.96 -
   21.97 -	down(&microcode_sem);
   21.98 -
   21.99 -	user_buffer = (void __user *) buf;
  21.100 -	user_buffer_size = (int) len;
  21.101 -
  21.102 -	ret = do_microcode_update();
  21.103 -	if (!ret)
  21.104 -		ret = (ssize_t)len;
  21.105 -
  21.106 -	up(&microcode_sem);
  21.107 -
  21.108 -	return ret;
  21.109 -}
  21.110 -
  21.111 -static int microcode_ioctl (struct inode *inode, struct file *file, 
  21.112 -		unsigned int cmd, unsigned long arg)
  21.113 -{
  21.114 -	switch (cmd) {
  21.115 -		/* 
  21.116 -		 *  XXX: will be removed after microcode_ctl 
  21.117 -		 *  is updated to ignore failure of this ioctl()
  21.118 -		 */
  21.119 -		case MICROCODE_IOCFREE:
  21.120 -			return 0;
  21.121 -		default:
  21.122 -			return -EINVAL;
  21.123 -	}
  21.124 -	return -EINVAL;
  21.125 -}
  21.126 -
  21.127 -static struct file_operations microcode_fops = {
  21.128 -	.owner		= THIS_MODULE,
  21.129 -	.write		= microcode_write,
  21.130 -	.ioctl		= microcode_ioctl,
  21.131 -	.open		= microcode_open,
  21.132 -};
  21.133 -
  21.134 -static struct miscdevice microcode_dev = {
  21.135 -	.minor		= MICROCODE_MINOR,
  21.136 -	.name		= "microcode",
  21.137 -	.devfs_name	= "cpu/microcode",
  21.138 -	.fops		= &microcode_fops,
  21.139 -};
  21.140 -
  21.141 -static int __init microcode_init (void)
  21.142 -{
  21.143 -	int error;
  21.144 -
  21.145 -	error = misc_register(&microcode_dev);
  21.146 -	if (error) {
  21.147 -		printk(KERN_ERR
  21.148 -			"microcode: can't misc_register on minor=%d\n",
  21.149 -			MICROCODE_MINOR);
  21.150 -		return error;
  21.151 -	}
  21.152 -
  21.153 -	printk(KERN_INFO 
  21.154 -		"IA-32 Microcode Update Driver: v" MICROCODE_VERSION " <tigran@veritas.com>\n");
  21.155 -	return 0;
  21.156 -}
  21.157 -
  21.158 -static void __exit microcode_exit (void)
  21.159 -{
  21.160 -	misc_deregister(&microcode_dev);
  21.161 -	printk(KERN_INFO "IA-32 Microcode Update Driver v" MICROCODE_VERSION " unregistered\n");
  21.162 -}
  21.163 -
  21.164 -module_init(microcode_init)
  21.165 -module_exit(microcode_exit)
  21.166 -MODULE_ALIAS_MISCDEV(MICROCODE_MINOR);
    22.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/pci-dma.c	Sat Mar 12 14:48:18 2005 +0000
    22.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    22.3 @@ -1,232 +0,0 @@
    22.4 -/*
    22.5 - * Dynamic DMA mapping support.
    22.6 - *
    22.7 - * On i386 there is no hardware dynamic DMA address translation,
    22.8 - * so consistent alloc/free are merely page allocation/freeing.
    22.9 - * The rest of the dynamic DMA mapping interface is implemented
   22.10 - * in asm/pci.h.
   22.11 - */
   22.12 -
   22.13 -#include <linux/types.h>
   22.14 -#include <linux/mm.h>
   22.15 -#include <linux/string.h>
   22.16 -#include <linux/pci.h>
   22.17 -#include <linux/version.h>
   22.18 -#include <asm/io.h>
   22.19 -#include <asm-xen/balloon.h>
   22.20 -
   22.21 -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
   22.22 -#define pte_offset_kernel pte_offset
   22.23 -#endif
   22.24 -
   22.25 -struct dma_coherent_mem {
   22.26 -	void		*virt_base;
   22.27 -	u32		device_base;
   22.28 -	int		size;
   22.29 -	int		flags;
   22.30 -	unsigned long	*bitmap;
   22.31 -};
   22.32 -
   22.33 -static void
   22.34 -xen_contig_memory(unsigned long vstart, unsigned int order)
   22.35 -{
   22.36 -	/*
   22.37 -	 * Ensure multi-page extents are contiguous in machine memory.
   22.38 -	 * This code could be cleaned up some, and the number of
   22.39 -	 * hypercalls reduced.
   22.40 -	 */
   22.41 -	pgd_t         *pgd; 
   22.42 -	pmd_t         *pmd;
   22.43 -	pte_t         *pte;
   22.44 -	unsigned long  pfn, i, flags;
   22.45 -
   22.46 -	scrub_pages(vstart, 1 << order);
   22.47 -
   22.48 -        balloon_lock(flags);
   22.49 -
   22.50 -	/* 1. Zap current PTEs, giving away the underlying pages. */
   22.51 -	for (i = 0; i < (1<<order); i++) {
   22.52 -		pgd = pgd_offset_k(   (vstart + (i*PAGE_SIZE)));
   22.53 -		pmd = pmd_offset(pgd, (vstart + (i*PAGE_SIZE)));
   22.54 -		pte = pte_offset_kernel(pmd, (vstart + (i*PAGE_SIZE)));
   22.55 -		pfn = pte->pte_low >> PAGE_SHIFT;
   22.56 -		queue_l1_entry_update(pte, 0);
   22.57 -		phys_to_machine_mapping[(__pa(vstart)>>PAGE_SHIFT)+i] =
   22.58 -			INVALID_P2M_ENTRY;
   22.59 -		flush_page_update_queue();
   22.60 -		if (HYPERVISOR_dom_mem_op(MEMOP_decrease_reservation, 
   22.61 -					  &pfn, 1, 0) != 1) BUG();
   22.62 -	}
   22.63 -	/* 2. Get a new contiguous memory extent. */
   22.64 -	if (HYPERVISOR_dom_mem_op(MEMOP_increase_reservation,
   22.65 -				  &pfn, 1, order) != 1) BUG();
   22.66 -	/* 3. Map the new extent in place of old pages. */
   22.67 -	for (i = 0; i < (1<<order); i++) {
   22.68 -		pgd = pgd_offset_k(   (vstart + (i*PAGE_SIZE)));
   22.69 -		pmd = pmd_offset(pgd, (vstart + (i*PAGE_SIZE)));
   22.70 -		pte = pte_offset_kernel(pmd, (vstart + (i*PAGE_SIZE)));
   22.71 -		queue_l1_entry_update(
   22.72 -			pte, ((pfn+i)<<PAGE_SHIFT)|__PAGE_KERNEL);
   22.73 -		queue_machphys_update(
   22.74 -			pfn+i, (__pa(vstart)>>PAGE_SHIFT)+i);
   22.75 -		phys_to_machine_mapping[(__pa(vstart)>>PAGE_SHIFT)+i] =
   22.76 -			pfn+i;
   22.77 -	}
   22.78 -	/* Flush updates through and flush the TLB. */
   22.79 -	xen_tlb_flush();
   22.80 -
   22.81 -        balloon_unlock(flags);
   22.82 -}
   22.83 -
   22.84 -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
   22.85 -void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
   22.86 -			   dma_addr_t *dma_handle)
   22.87 -#else
   22.88 -void *dma_alloc_coherent(struct device *dev, size_t size,
   22.89 -			   dma_addr_t *dma_handle, int gfp)
   22.90 -#endif
   22.91 -{
   22.92 -	void *ret;
   22.93 -	unsigned int order = get_order(size);
   22.94 -	unsigned long vstart;
   22.95 -
   22.96 -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
   22.97 -	int gfp = GFP_ATOMIC;
   22.98 -
   22.99 -	if (hwdev == NULL || ((u32)hwdev->dma_mask < 0xffffffff))
  22.100 -		gfp |= GFP_DMA;
  22.101 -#else
  22.102 -	struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL;
  22.103 -
  22.104 -	/* ignore region specifiers */
  22.105 -	gfp &= ~(__GFP_DMA | __GFP_HIGHMEM);
  22.106 -
  22.107 -	if (mem) {
  22.108 -		int page = bitmap_find_free_region(mem->bitmap, mem->size,
  22.109 -						     order);
  22.110 -		if (page >= 0) {
  22.111 -			*dma_handle = mem->device_base + (page << PAGE_SHIFT);
  22.112 -			ret = mem->virt_base + (page << PAGE_SHIFT);
  22.113 -			memset(ret, 0, size);
  22.114 -			return ret;
  22.115 -		}
  22.116 -		if (mem->flags & DMA_MEMORY_EXCLUSIVE)
  22.117 -			return NULL;
  22.118 -	}
  22.119 -
  22.120 -	if (dev == NULL || (dev->coherent_dma_mask < 0xffffffff))
  22.121 -		gfp |= GFP_DMA;
  22.122 -#endif
  22.123 -
  22.124 -	vstart = __get_free_pages(gfp, order);
  22.125 -	ret = (void *)vstart;
  22.126 -	if (ret == NULL)
  22.127 -		return ret;
  22.128 -
  22.129 -	xen_contig_memory(vstart, order);
  22.130 -
  22.131 -	memset(ret, 0, size);
  22.132 -	*dma_handle = virt_to_bus(ret);
  22.133 -
  22.134 -	return ret;
  22.135 -}
  22.136 -
  22.137 -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
  22.138 -void pci_free_consistent(struct pci_dev *hwdev, size_t size,
  22.139 -			 void *vaddr, dma_addr_t dma_handle)
  22.140 -{
  22.141 -	free_pages((unsigned long)vaddr, get_order(size));
  22.142 -}
  22.143 -#else
  22.144 -
  22.145 -void dma_free_coherent(struct device *dev, size_t size,
  22.146 -			 void *vaddr, dma_addr_t dma_handle)
  22.147 -{
  22.148 -	struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL;
  22.149 -	int order = get_order(size);
  22.150 -	
  22.151 -	if (mem && vaddr >= mem->virt_base && vaddr < (mem->virt_base + (mem->size << PAGE_SHIFT))) {
  22.152 -		int page = (vaddr - mem->virt_base) >> PAGE_SHIFT;
  22.153 -
  22.154 -		bitmap_release_region(mem->bitmap, page, order);
  22.155 -	} else
  22.156 -		free_pages((unsigned long)vaddr, order);
  22.157 -}
  22.158 -
  22.159 -int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
  22.160 -				dma_addr_t device_addr, size_t size, int flags)
  22.161 -{
  22.162 -	void __iomem *mem_base;
  22.163 -	int pages = size >> PAGE_SHIFT;
  22.164 -	int bitmap_size = (pages + 31)/32;
  22.165 -
  22.166 -	if ((flags & (DMA_MEMORY_MAP | DMA_MEMORY_IO)) == 0)
  22.167 -		goto out;
  22.168 -	if (!size)
  22.169 -		goto out;
  22.170 -	if (dev->dma_mem)
  22.171 -		goto out;
  22.172 -
  22.173 -	/* FIXME: this routine just ignores DMA_MEMORY_INCLUDES_CHILDREN */
  22.174 -
  22.175 -	mem_base = ioremap(bus_addr, size);
  22.176 -	if (!mem_base)
  22.177 -		goto out;
  22.178 -
  22.179 -	dev->dma_mem = kmalloc(GFP_KERNEL, sizeof(struct dma_coherent_mem));
  22.180 -	if (!dev->dma_mem)
  22.181 -		goto out;
  22.182 -	memset(dev->dma_mem, 0, sizeof(struct dma_coherent_mem));
  22.183 -	dev->dma_mem->bitmap = kmalloc(GFP_KERNEL, bitmap_size);
  22.184 -	if (!dev->dma_mem->bitmap)
  22.185 -		goto free1_out;
  22.186 -	memset(dev->dma_mem->bitmap, 0, bitmap_size);
  22.187 -
  22.188 -	dev->dma_mem->virt_base = mem_base;
  22.189 -	dev->dma_mem->device_base = device_addr;
  22.190 -	dev->dma_mem->size = pages;
  22.191 -	dev->dma_mem->flags = flags;
  22.192 -
  22.193 -	if (flags & DMA_MEMORY_MAP)
  22.194 -		return DMA_MEMORY_MAP;
  22.195 -
  22.196 -	return DMA_MEMORY_IO;
  22.197 -
  22.198 - free1_out:
  22.199 -	kfree(dev->dma_mem->bitmap);
  22.200 - out:
  22.201 -	return 0;
  22.202 -}
  22.203 -EXPORT_SYMBOL(dma_declare_coherent_memory);
  22.204 -
  22.205 -void dma_release_declared_memory(struct device *dev)
  22.206 -{
  22.207 -	struct dma_coherent_mem *mem = dev->dma_mem;
  22.208 -	
  22.209 -	if(!mem)
  22.210 -		return;
  22.211 -	dev->dma_mem = NULL;
  22.212 -	kfree(mem->bitmap);
  22.213 -	kfree(mem);
  22.214 -}
  22.215 -EXPORT_SYMBOL(dma_release_declared_memory);
  22.216 -
  22.217 -void *dma_mark_declared_memory_occupied(struct device *dev,
  22.218 -					dma_addr_t device_addr, size_t size)
  22.219 -{
  22.220 -	struct dma_coherent_mem *mem = dev->dma_mem;
  22.221 -	int pages = (size + (device_addr & ~PAGE_MASK) + PAGE_SIZE - 1) >> PAGE_SHIFT;
  22.222 -	int pos, err;
  22.223 -
  22.224 -	if (!mem)
  22.225 -		return ERR_PTR(-EINVAL);
  22.226 -
  22.227 -	pos = (device_addr - mem->device_base) >> PAGE_SHIFT;
  22.228 -	err = bitmap_allocate_region(mem->bitmap, pos, get_order(pages));
  22.229 -	if (err != 0)
  22.230 -		return ERR_PTR(err);
  22.231 -	return mem->virt_base + (pos << PAGE_SHIFT);
  22.232 -}
  22.233 -EXPORT_SYMBOL(dma_mark_declared_memory_occupied);
  22.234 -
  22.235 -#endif
    23.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/process.c	Sat Mar 12 14:48:18 2005 +0000
    23.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    23.3 @@ -1,766 +0,0 @@
    23.4 -/*
    23.5 - *  linux/arch/i386/kernel/process.c
    23.6 - *
    23.7 - *  Copyright (C) 1995  Linus Torvalds
    23.8 - *
    23.9 - *  Pentium III FXSR, SSE support
   23.10 - *	Gareth Hughes <gareth@valinux.com>, May 2000
   23.11 - */
   23.12 -
   23.13 -/*
   23.14 - * This file handles the architecture-dependent parts of process handling..
   23.15 - */
   23.16 -
   23.17 -#include <stdarg.h>
   23.18 -
   23.19 -#include <linux/errno.h>
   23.20 -#include <linux/sched.h>
   23.21 -#include <linux/fs.h>
   23.22 -#include <linux/kernel.h>
   23.23 -#include <linux/mm.h>
   23.24 -#include <linux/elfcore.h>
   23.25 -#include <linux/smp.h>
   23.26 -#include <linux/smp_lock.h>
   23.27 -#include <linux/stddef.h>
   23.28 -#include <linux/slab.h>
   23.29 -#include <linux/vmalloc.h>
   23.30 -#include <linux/user.h>
   23.31 -#include <linux/a.out.h>
   23.32 -#include <linux/interrupt.h>
   23.33 -#include <linux/config.h>
   23.34 -#include <linux/utsname.h>
   23.35 -#include <linux/delay.h>
   23.36 -#include <linux/reboot.h>
   23.37 -#include <linux/init.h>
   23.38 -#include <linux/mc146818rtc.h>
   23.39 -#include <linux/module.h>
   23.40 -#include <linux/kallsyms.h>
   23.41 -#include <linux/ptrace.h>
   23.42 -
   23.43 -#include <asm/uaccess.h>
   23.44 -#include <asm/pgtable.h>
   23.45 -#include <asm/system.h>
   23.46 -#include <asm/io.h>
   23.47 -#include <asm/ldt.h>
   23.48 -#include <asm/processor.h>
   23.49 -#include <asm/i387.h>
   23.50 -#include <asm/irq.h>
   23.51 -#include <asm/desc.h>
   23.52 -#include <asm-xen/multicall.h>
   23.53 -#include <asm-xen/xen-public/dom0_ops.h>
   23.54 -#ifdef CONFIG_MATH_EMULATION
   23.55 -#include <asm/math_emu.h>
   23.56 -#endif
   23.57 -
   23.58 -#include <linux/irq.h>
   23.59 -#include <linux/err.h>
   23.60 -
   23.61 -asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
   23.62 -
   23.63 -int hlt_counter;
   23.64 -
   23.65 -unsigned long boot_option_idle_override = 0;
   23.66 -EXPORT_SYMBOL(boot_option_idle_override);
   23.67 -
   23.68 -/*
   23.69 - * Return saved PC of a blocked thread.
   23.70 - */
   23.71 -unsigned long thread_saved_pc(struct task_struct *tsk)
   23.72 -{
   23.73 -	return ((unsigned long *)tsk->thread.esp)[3];
   23.74 -}
   23.75 -
   23.76 -/*
   23.77 - * Powermanagement idle function, if any..
   23.78 - */
   23.79 -void (*pm_idle)(void);
   23.80 -
   23.81 -void disable_hlt(void)
   23.82 -{
   23.83 -	hlt_counter++;
   23.84 -}
   23.85 -
   23.86 -EXPORT_SYMBOL(disable_hlt);
   23.87 -
   23.88 -void enable_hlt(void)
   23.89 -{
   23.90 -	hlt_counter--;
   23.91 -}
   23.92 -
   23.93 -EXPORT_SYMBOL(enable_hlt);
   23.94 -
   23.95 -/* XXX XEN doesn't use default_idle(), poll_idle(). Use xen_idle() instead. */
   23.96 -extern int set_timeout_timer(void);
   23.97 -void xen_idle(void)
   23.98 -{
   23.99 -	int cpu;
  23.100 -
  23.101 -	local_irq_disable();
  23.102 -
  23.103 -	cpu = smp_processor_id();
  23.104 -	if (rcu_pending(cpu))
  23.105 -		rcu_check_callbacks(cpu, 0);
  23.106 -
  23.107 -	if (need_resched()) {
  23.108 -		local_irq_enable();
  23.109 -	} else if (set_timeout_timer() == 0) {
  23.110 -		/* NB. Blocking reenable events in a race-free manner. */
  23.111 -		HYPERVISOR_block();
  23.112 -	} else {
  23.113 -		local_irq_enable();
  23.114 -		HYPERVISOR_yield();
  23.115 -	}
  23.116 -}
  23.117 -
  23.118 -/*
  23.119 - * The idle thread. There's no useful work to be
  23.120 - * done, so just try to conserve power and have a
  23.121 - * low exit latency (ie sit in a loop waiting for
  23.122 - * somebody to say that they'd like to reschedule)
  23.123 - */
  23.124 -void cpu_idle (void)
  23.125 -{
  23.126 -	/* endless idle loop with no priority at all */
  23.127 -	while (1) {
  23.128 -		while (!need_resched()) {
  23.129 -			/*
  23.130 -			 * Mark this as an RCU critical section so that
  23.131 -			 * synchronize_kernel() in the unload path waits
  23.132 -			 * for our completion.
  23.133 -			 */
  23.134 -			rcu_read_lock();
  23.135 -			irq_stat[smp_processor_id()].idle_timestamp = jiffies;
  23.136 -			xen_idle();
  23.137 -			rcu_read_unlock();
  23.138 -		}
  23.139 -		schedule();
  23.140 -	}
  23.141 -}
  23.142 -
  23.143 -/* XXX XEN doesn't use mwait_idle(), select_idle_routine(), idle_setup(). */
  23.144 -/* Always use xen_idle() instead. */
  23.145 -void __init select_idle_routine(const struct cpuinfo_x86 *c) {}
  23.146 -
  23.147 -void show_regs(struct pt_regs * regs)
  23.148 -{
  23.149 -	printk("\n");
  23.150 -	printk("Pid: %d, comm: %20s\n", current->pid, current->comm);
  23.151 -	printk("EIP: %04x:[<%08lx>] CPU: %d\n",0xffff & regs->xcs,regs->eip, smp_processor_id());
  23.152 -	print_symbol("EIP is at %s\n", regs->eip);
  23.153 -
  23.154 -	if (regs->xcs & 2)
  23.155 -		printk(" ESP: %04x:%08lx",0xffff & regs->xss,regs->esp);
  23.156 -	printk(" EFLAGS: %08lx    %s  (%s)\n",
  23.157 -	       regs->eflags, print_tainted(),UTS_RELEASE);
  23.158 -	printk("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
  23.159 -		regs->eax,regs->ebx,regs->ecx,regs->edx);
  23.160 -	printk("ESI: %08lx EDI: %08lx EBP: %08lx",
  23.161 -		regs->esi, regs->edi, regs->ebp);
  23.162 -	printk(" DS: %04x ES: %04x\n",
  23.163 -		0xffff & regs->xds,0xffff & regs->xes);
  23.164 -
  23.165 -	show_trace(NULL, &regs->esp);
  23.166 -}
  23.167 -
  23.168 -/*
  23.169 - * This gets run with %ebx containing the
  23.170 - * function to call, and %edx containing
  23.171 - * the "args".
  23.172 - */
  23.173 -extern void kernel_thread_helper(void);
  23.174 -__asm__(".section .text\n"
  23.175 -	".align 4\n"
  23.176 -	"kernel_thread_helper:\n\t"
  23.177 -	"movl %edx,%eax\n\t"
  23.178 -	"pushl %edx\n\t"
  23.179 -	"call *%ebx\n\t"
  23.180 -	"pushl %eax\n\t"
  23.181 -	"call do_exit\n"
  23.182 -	".previous");
  23.183 -
  23.184 -/*
  23.185 - * Create a kernel thread
  23.186 - */
  23.187 -int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
  23.188 -{
  23.189 -	struct pt_regs regs;
  23.190 -
  23.191 -	memset(&regs, 0, sizeof(regs));
  23.192 -
  23.193 -	regs.ebx = (unsigned long) fn;
  23.194 -	regs.edx = (unsigned long) arg;
  23.195 -
  23.196 -	regs.xds = __USER_DS;
  23.197 -	regs.xes = __USER_DS;
  23.198 -	regs.orig_eax = -1;
  23.199 -	regs.eip = (unsigned long) kernel_thread_helper;
  23.200 -	regs.xcs = __KERNEL_CS;
  23.201 -	regs.eflags = X86_EFLAGS_IF | X86_EFLAGS_SF | X86_EFLAGS_PF | 0x2;
  23.202 -
  23.203 -	/* Ok, create the new process.. */
  23.204 -	return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, &regs, 0, NULL, NULL);
  23.205 -}
  23.206 -
  23.207 -/*
  23.208 - * Free current thread data structures etc..
  23.209 - */
  23.210 -void exit_thread(void)
  23.211 -{
  23.212 -	struct task_struct *tsk = current;
  23.213 -	struct thread_struct *t = &tsk->thread;
  23.214 -
  23.215 -	/* The process may have allocated an io port bitmap... nuke it. */
  23.216 -	if (unlikely(NULL != t->io_bitmap_ptr)) {
  23.217 -		int cpu = get_cpu();
  23.218 -		struct tss_struct *tss = &per_cpu(init_tss, cpu);
  23.219 -
  23.220 -		kfree(t->io_bitmap_ptr);
  23.221 -		t->io_bitmap_ptr = NULL;
  23.222 -		/*
  23.223 -		 * Careful, clear this in the TSS too:
  23.224 -		 */
  23.225 -		memset(tss->io_bitmap, 0xff, tss->io_bitmap_max);
  23.226 -		t->io_bitmap_max = 0;
  23.227 -		tss->io_bitmap_owner = NULL;
  23.228 -		tss->io_bitmap_max = 0;
  23.229 -		tss->io_bitmap_base = INVALID_IO_BITMAP_OFFSET;
  23.230 -		put_cpu();
  23.231 -	}
  23.232 -}
  23.233 -
  23.234 -void flush_thread(void)
  23.235 -{
  23.236 -	struct task_struct *tsk = current;
  23.237 -
  23.238 -	memset(tsk->thread.debugreg, 0, sizeof(unsigned long)*8);
  23.239 -	memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array));	
  23.240 -	/*
  23.241 -	 * Forget coprocessor state..
  23.242 -	 */
  23.243 -	clear_fpu(tsk);
  23.244 -	tsk->used_math = 0;
  23.245 -}
  23.246 -
  23.247 -void release_thread(struct task_struct *dead_task)
  23.248 -{
  23.249 -	if (dead_task->mm) {
  23.250 -		// temporary debugging check
  23.251 -		if (dead_task->mm->context.size) {
  23.252 -			printk("WARNING: dead process %8s still has LDT? <%p/%d>\n",
  23.253 -					dead_task->comm,
  23.254 -					dead_task->mm->context.ldt,
  23.255 -					dead_task->mm->context.size);
  23.256 -			BUG();
  23.257 -		}
  23.258 -	}
  23.259 -
  23.260 -	release_vm86_irqs(dead_task);
  23.261 -}
  23.262 -
  23.263 -/*
  23.264 - * This gets called before we allocate a new thread and copy
  23.265 - * the current task into it.
  23.266 - */
  23.267 -void prepare_to_copy(struct task_struct *tsk)
  23.268 -{
  23.269 -	unlazy_fpu(tsk);
  23.270 -}
  23.271 -
  23.272 -int copy_thread(int nr, unsigned long clone_flags, unsigned long esp,
  23.273 -	unsigned long unused,
  23.274 -	struct task_struct * p, struct pt_regs * regs)
  23.275 -{
  23.276 -	struct pt_regs * childregs;
  23.277 -	struct task_struct *tsk;
  23.278 -	int err;
  23.279 -
  23.280 -	childregs = ((struct pt_regs *) (THREAD_SIZE + (unsigned long) p->thread_info)) - 1;
  23.281 -	*childregs = *regs;
  23.282 -	childregs->eax = 0;
  23.283 -	childregs->esp = esp;
  23.284 -
  23.285 -	p->thread.esp = (unsigned long) childregs;
  23.286 -	p->thread.esp0 = (unsigned long) (childregs+1);
  23.287 -
  23.288 -	p->thread.eip = (unsigned long) ret_from_fork;
  23.289 -
  23.290 -	savesegment(fs,p->thread.fs);
  23.291 -	savesegment(gs,p->thread.gs);
  23.292 -
  23.293 -	tsk = current;
  23.294 -	if (unlikely(NULL != tsk->thread.io_bitmap_ptr)) {
  23.295 -		p->thread.io_bitmap_ptr = kmalloc(IO_BITMAP_BYTES, GFP_KERNEL);
  23.296 -		if (!p->thread.io_bitmap_ptr) {
  23.297 -			p->thread.io_bitmap_max = 0;
  23.298 -			return -ENOMEM;
  23.299 -		}
  23.300 -		memcpy(p->thread.io_bitmap_ptr, tsk->thread.io_bitmap_ptr,
  23.301 -			IO_BITMAP_BYTES);
  23.302 -	}
  23.303 -
  23.304 -	/*
  23.305 -	 * Set a new TLS for the child thread?
  23.306 -	 */
  23.307 -	if (clone_flags & CLONE_SETTLS) {
  23.308 -		struct desc_struct *desc;
  23.309 -		struct user_desc info;
  23.310 -		int idx;
  23.311 -
  23.312 -		err = -EFAULT;
  23.313 -		if (copy_from_user(&info, (void __user *)childregs->esi, sizeof(info)))
  23.314 -			goto out;
  23.315 -		err = -EINVAL;
  23.316 -		if (LDT_empty(&info))
  23.317 -			goto out;
  23.318 -
  23.319 -		idx = info.entry_number;
  23.320 -		if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
  23.321 -			goto out;
  23.322 -
  23.323 -		desc = p->thread.tls_array + idx - GDT_ENTRY_TLS_MIN;
  23.324 -		desc->a = LDT_entry_a(&info);
  23.325 -		desc->b = LDT_entry_b(&info);
  23.326 -	}
  23.327 -
  23.328 -        p->thread.io_pl = current->thread.io_pl;
  23.329 -
  23.330 -	err = 0;
  23.331 - out:
  23.332 -	if (err && p->thread.io_bitmap_ptr) {
  23.333 -		kfree(p->thread.io_bitmap_ptr);
  23.334 -		p->thread.io_bitmap_max = 0;
  23.335 -	}
  23.336 -	return err;
  23.337 -}
  23.338 -
  23.339 -/*
  23.340 - * fill in the user structure for a core dump..
  23.341 - */
  23.342 -void dump_thread(struct pt_regs * regs, struct user * dump)
  23.343 -{
  23.344 -	int i;
  23.345 -
  23.346 -/* changed the size calculations - should hopefully work better. lbt */
  23.347 -	dump->magic = CMAGIC;
  23.348 -	dump->start_code = 0;
  23.349 -	dump->start_stack = regs->esp & ~(PAGE_SIZE - 1);
  23.350 -	dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT;
  23.351 -	dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT;
  23.352 -	dump->u_dsize -= dump->u_tsize;
  23.353 -	dump->u_ssize = 0;
  23.354 -	for (i = 0; i < 8; i++)
  23.355 -		dump->u_debugreg[i] = current->thread.debugreg[i];  
  23.356 -
  23.357 -	if (dump->start_stack < TASK_SIZE)
  23.358 -		dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT;
  23.359 -
  23.360 -	dump->regs.ebx = regs->ebx;
  23.361 -	dump->regs.ecx = regs->ecx;
  23.362 -	dump->regs.edx = regs->edx;
  23.363 -	dump->regs.esi = regs->esi;
  23.364 -	dump->regs.edi = regs->edi;
  23.365 -	dump->regs.ebp = regs->ebp;
  23.366 -	dump->regs.eax = regs->eax;
  23.367 -	dump->regs.ds = regs->xds;
  23.368 -	dump->regs.es = regs->xes;
  23.369 -	savesegment(fs,dump->regs.fs);
  23.370 -	savesegment(gs,dump->regs.gs);
  23.371 -	dump->regs.orig_eax = regs->orig_eax;
  23.372 -	dump->regs.eip = regs->eip;
  23.373 -	dump->regs.cs = regs->xcs;
  23.374 -	dump->regs.eflags = regs->eflags;
  23.375 -	dump->regs.esp = regs->esp;
  23.376 -	dump->regs.ss = regs->xss;
  23.377 -
  23.378 -	dump->u_fpvalid = dump_fpu (regs, &dump->i387);
  23.379 -}
  23.380 -
  23.381 -/* 
  23.382 - * Capture the user space registers if the task is not running (in user space)
  23.383 - */
  23.384 -int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)
  23.385 -{
  23.386 -	struct pt_regs ptregs;
  23.387 -	
  23.388 -	ptregs = *(struct pt_regs *)
  23.389 -		((unsigned long)tsk->thread_info+THREAD_SIZE - sizeof(ptregs));
  23.390 -	ptregs.xcs &= 0xffff;
  23.391 -	ptregs.xds &= 0xffff;
  23.392 -	ptregs.xes &= 0xffff;
  23.393 -	ptregs.xss &= 0xffff;
  23.394 -
  23.395 -	elf_core_copy_regs(regs, &ptregs);
  23.396 -
  23.397 -	boot_option_idle_override = 1;
  23.398 -	return 1;
  23.399 -}
  23.400 -
  23.401 -static inline void
  23.402 -handle_io_bitmap(struct thread_struct *next, struct tss_struct *tss)
  23.403 -{
  23.404 -	if (!next->io_bitmap_ptr) {
  23.405 -		/*
  23.406 -		 * Disable the bitmap via an invalid offset. We still cache
  23.407 -		 * the previous bitmap owner and the IO bitmap contents:
  23.408 -		 */
  23.409 -		tss->io_bitmap_base = INVALID_IO_BITMAP_OFFSET;
  23.410 -		return;
  23.411 -	}
  23.412 -	if (likely(next == tss->io_bitmap_owner)) {
  23.413 -		/*
  23.414 -		 * Previous owner of the bitmap (hence the bitmap content)
  23.415 -		 * matches the next task, we dont have to do anything but
  23.416 -		 * to set a valid offset in the TSS:
  23.417 -		 */
  23.418 -		tss->io_bitmap_base = IO_BITMAP_OFFSET;
  23.419 -		return;
  23.420 -	}
  23.421 -	/*
  23.422 -	 * Lazy TSS's I/O bitmap copy. We set an invalid offset here
  23.423 -	 * and we let the task to get a GPF in case an I/O instruction
  23.424 -	 * is performed.  The handler of the GPF will verify that the
  23.425 -	 * faulting task has a valid I/O bitmap and, it true, does the
  23.426 -	 * real copy and restart the instruction.  This will save us
  23.427 -	 * redundant copies when the currently switched task does not
  23.428 -	 * perform any I/O during its timeslice.
  23.429 -	 */
  23.430 -	tss->io_bitmap_base = INVALID_IO_BITMAP_OFFSET_LAZY;
  23.431 -}
  23.432 -/*
  23.433 - * This special macro can be used to load a debugging register
  23.434 - */
  23.435 -#define loaddebug(thread,register) \
  23.436 -		HYPERVISOR_set_debugreg((register),	\
  23.437 -			(thread->debugreg[register]))
  23.438 -
  23.439 -/*
  23.440 - *	switch_to(x,yn) should switch tasks from x to y.
  23.441 - *
  23.442 - * We fsave/fwait so that an exception goes off at the right time
  23.443 - * (as a call from the fsave or fwait in effect) rather than to
  23.444 - * the wrong process. Lazy FP saving no longer makes any sense
  23.445 - * with modern CPU's, and this simplifies a lot of things (SMP
  23.446 - * and UP become the same).
  23.447 - *
  23.448 - * NOTE! We used to use the x86 hardware context switching. The
  23.449 - * reason for not using it any more becomes apparent when you
  23.450 - * try to recover gracefully from saved state that is no longer
  23.451 - * valid (stale segment register values in particular). With the
  23.452 - * hardware task-switch, there is no way to fix up bad state in
  23.453 - * a reasonable manner.
  23.454 - *
  23.455 - * The fact that Intel documents the hardware task-switching to
  23.456 - * be slow is a fairly red herring - this code is not noticeably
  23.457 - * faster. However, there _is_ some room for improvement here,
  23.458 - * so the performance issues may eventually be a valid point.
  23.459 - * More important, however, is the fact that this allows us much
  23.460 - * more flexibility.
  23.461 - *
  23.462 - * The return value (in %eax) will be the "prev" task after
  23.463 - * the task-switch, and shows up in ret_from_fork in entry.S,
  23.464 - * for example.
  23.465 - */
  23.466 -struct task_struct fastcall * __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
  23.467 -{
  23.468 -	struct thread_struct *prev = &prev_p->thread,
  23.469 -				 *next = &next_p->thread;
  23.470 -	int cpu = smp_processor_id();
  23.471 -	struct tss_struct *tss = &per_cpu(init_tss, cpu);
  23.472 -	dom0_op_t op;
  23.473 -
  23.474 -        /* NB. No need to disable interrupts as already done in sched.c */
  23.475 -        /* __cli(); */
  23.476 -
  23.477 -	/*
  23.478 -	 * Save away %fs and %gs. No need to save %es and %ds, as
  23.479 -	 * those are always kernel segments while inside the kernel.
  23.480 -	 */
  23.481 -	asm volatile("movl %%fs,%0":"=m" (*(int *)&prev->fs));
  23.482 -	asm volatile("movl %%gs,%0":"=m" (*(int *)&prev->gs));
  23.483 -
  23.484 -	/*
  23.485 -	 * We clobber FS and GS here so that we avoid a GPF when restoring
  23.486 -	 * previous task's FS/GS values in Xen when the LDT is switched.
  23.487 -	 */
  23.488 -	__asm__ __volatile__ ( 
  23.489 -		"xorl %%eax,%%eax; movl %%eax,%%fs; movl %%eax,%%gs" : : :
  23.490 -		"eax" );
  23.491 -
  23.492 -	MULTICALL_flush_page_update_queue();
  23.493 -
  23.494 -	/* never put a printk in __switch_to... printk() calls wake_up*() indirectly */
  23.495 -
  23.496 -	/*
  23.497 -	 * This is basically '__unlazy_fpu', except that we queue a
  23.498 -	 * multicall to indicate FPU task switch, rather than
  23.499 -	 * synchronously trapping to Xen.
  23.500 -	 */
  23.501 -	if (prev_p->thread_info->status & TS_USEDFPU) {
  23.502 -		__save_init_fpu(prev_p); /* _not_ save_init_fpu() */
  23.503 -		queue_multicall1(__HYPERVISOR_fpu_taskswitch, 1);
  23.504 -	}
  23.505 -
  23.506 -	/*
  23.507 -	 * Reload esp0, LDT and the page table pointer:
  23.508 -	 * This is load_esp0(tss, next) with a multicall.
  23.509 -	 */
  23.510 -	tss->esp0 = next->esp0;
  23.511 -	queue_multicall2(__HYPERVISOR_stack_switch, tss->ss0, tss->esp0);
  23.512 -
  23.513 -	/*
  23.514 -	 * Load the per-thread Thread-Local Storage descriptor.
  23.515 -	 * This is load_TLS(next, cpu) with multicalls.
  23.516 -	 */
  23.517 -#define C(i) do {							    \
  23.518 -	if (unlikely(next->tls_array[i].a != prev->tls_array[i].a ||	    \
  23.519 -		     next->tls_array[i].b != prev->tls_array[i].b))	    \
  23.520 -		queue_multicall3(__HYPERVISOR_update_descriptor,	    \
  23.521 -				 virt_to_machine(&get_cpu_gdt_table(cpu)    \
  23.522 -						 [GDT_ENTRY_TLS_MIN + i]),  \
  23.523 -				 ((u32 *)&next->tls_array[i])[0],	    \
  23.524 -				 ((u32 *)&next->tls_array[i])[1]);	    \
  23.525 -} while (0)
  23.526 -	C(0); C(1); C(2);
  23.527 -#undef C
  23.528 -
  23.529 -	if (xen_start_info.flags & SIF_PRIVILEGED) {
  23.530 -		op.cmd           = DOM0_IOPL;
  23.531 -		op.u.iopl.domain = DOMID_SELF;
  23.532 -		op.u.iopl.iopl   = next->io_pl;
  23.533 -		op.interface_version = DOM0_INTERFACE_VERSION;
  23.534 -		queue_multicall1(__HYPERVISOR_dom0_op, (unsigned long)&op);
  23.535 -	}
  23.536 -
  23.537 -	/* EXECUTE ALL TASK SWITCH XEN SYSCALLS AT THIS POINT. */
  23.538 -	execute_multicall_list();
  23.539 -        /* __sti(); */
  23.540 -
  23.541 -	/*
  23.542 -	 * Restore %fs and %gs if needed.
  23.543 -	 */
  23.544 -	if (unlikely(next->fs | next->gs)) {
  23.545 -		loadsegment(fs, next->fs);
  23.546 -		loadsegment(gs, next->gs);
  23.547 -	}
  23.548 -
  23.549 -	/*
  23.550 -	 * Now maybe reload the debug registers
  23.551 -	 */
  23.552 -	if (unlikely(next->debugreg[7])) {
  23.553 -		loaddebug(next, 0);
  23.554 -		loaddebug(next, 1);
  23.555 -		loaddebug(next, 2);
  23.556 -		loaddebug(next, 3);
  23.557 -		/* no 4 and 5 */
  23.558 -		loaddebug(next, 6);
  23.559 -		loaddebug(next, 7);
  23.560 -	}
  23.561 -
  23.562 -	if (unlikely(prev->io_bitmap_ptr || next->io_bitmap_ptr))
  23.563 -		handle_io_bitmap(next, tss);
  23.564 -
  23.565 -	return prev_p;
  23.566 -}
  23.567 -
  23.568 -asmlinkage int sys_fork(struct pt_regs regs)
  23.569 -{
  23.570 -	return do_fork(SIGCHLD, regs.esp, &regs, 0, NULL, NULL);
  23.571 -}
  23.572 -
  23.573 -asmlinkage int sys_clone(struct pt_regs regs)
  23.574 -{
  23.575 -	unsigned long clone_flags;
  23.576 -	unsigned long newsp;
  23.577 -	int __user *parent_tidptr, *child_tidptr;
  23.578 -
  23.579 -	clone_flags = regs.ebx;
  23.580 -	newsp = regs.ecx;
  23.581 -	parent_tidptr = (int __user *)regs.edx;
  23.582 -	child_tidptr = (int __user *)regs.edi;
  23.583 -	if (!newsp)
  23.584 -		newsp = regs.esp;
  23.585 -	return do_fork(clone_flags, newsp, &regs, 0, parent_tidptr, child_tidptr);
  23.586 -}
  23.587 -
  23.588 -/*
  23.589 - * This is trivial, and on the face of it looks like it
  23.590 - * could equally well be done in user mode.
  23.591 - *
  23.592 - * Not so, for quite unobvious reasons - register pressure.
  23.593 - * In user mode vfork() cannot have a stack frame, and if
  23.594 - * done by calling the "clone()" system call directly, you
  23.595 - * do not have enough call-clobbered registers to hold all
  23.596 - * the information you need.
  23.597 - */
  23.598 -asmlinkage int sys_vfork(struct pt_regs regs)
  23.599 -{
  23.600 -	return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs.esp, &regs, 0, NULL, NULL);
  23.601 -}
  23.602 -
  23.603 -/*
  23.604 - * sys_execve() executes a new program.
  23.605 - */
  23.606 -asmlinkage int sys_execve(struct pt_regs regs)
  23.607 -{
  23.608 -	int error;
  23.609 -	char * filename;
  23.610 -
  23.611 -	filename = getname((char __user *) regs.ebx);
  23.612 -	error = PTR_ERR(filename);
  23.613 -	if (IS_ERR(filename))
  23.614 -		goto out;
  23.615 -	error = do_execve(filename,
  23.616 -			(char __user * __user *) regs.ecx,
  23.617 -			(char __user * __user *) regs.edx,
  23.618 -			&regs);
  23.619 -	if (error == 0) {
  23.620 -		task_lock(current);
  23.621 -		current->ptrace &= ~PT_DTRACE;
  23.622 -		task_unlock(current);
  23.623 -		/* Make sure we don't return using sysenter.. */
  23.624 -		set_thread_flag(TIF_IRET);
  23.625 -	}
  23.626 -	putname(filename);
  23.627 -out:
  23.628 -	return error;
  23.629 -}
  23.630 -
  23.631 -#define top_esp                (THREAD_SIZE - sizeof(unsigned long))
  23.632 -#define top_ebp                (THREAD_SIZE - 2*sizeof(unsigned long))
  23.633 -
  23.634 -unsigned long get_wchan(struct task_struct *p)
  23.635 -{
  23.636 -	unsigned long ebp, esp, eip;
  23.637 -	unsigned long stack_page;
  23.638 -	int count = 0;
  23.639 -	if (!p || p == current || p->state == TASK_RUNNING)
  23.640 -		return 0;
  23.641 -	stack_page = (unsigned long)p->thread_info;
  23.642 -	esp = p->thread.esp;
  23.643 -	if (!stack_page || esp < stack_page || esp > top_esp+stack_page)
  23.644 -		return 0;
  23.645 -	/* include/asm-i386/system.h:switch_to() pushes ebp last. */
  23.646 -	ebp = *(unsigned long *) esp;
  23.647 -	do {
  23.648 -		if (ebp < stack_page || ebp > top_ebp+stack_page)
  23.649 -			return 0;
  23.650 -		eip = *(unsigned long *) (ebp+4);
  23.651 -		if (!in_sched_functions(eip))
  23.652 -			return eip;
  23.653 -		ebp = *(unsigned long *) ebp;
  23.654 -	} while (count++ < 16);
  23.655 -	return 0;
  23.656 -}
  23.657 -
  23.658 -/*
  23.659 - * sys_alloc_thread_area: get a yet unused TLS descriptor index.
  23.660 - */
  23.661 -static int get_free_idx(void)
  23.662 -{
  23.663 -	struct thread_struct *t = &current->thread;
  23.664 -	int idx;
  23.665 -
  23.666 -	for (idx = 0; idx < GDT_ENTRY_TLS_ENTRIES; idx++)
  23.667 -		if (desc_empty(t->tls_array + idx))
  23.668 -			return idx + GDT_ENTRY_TLS_MIN;
  23.669 -	return -ESRCH;
  23.670 -}
  23.671 -
  23.672 -/*
  23.673 - * Set a given TLS descriptor:
  23.674 - */
  23.675 -asmlinkage int sys_set_thread_area(struct user_desc __user *u_info)
  23.676 -{
  23.677 -	struct thread_struct *t = &current->thread;
  23.678 -	struct user_desc info;
  23.679 -	struct desc_struct *desc;
  23.680 -	int cpu, idx;
  23.681 -
  23.682 -	if (copy_from_user(&info, u_info, sizeof(info)))
  23.683 -		return -EFAULT;
  23.684 -	idx = info.entry_number;
  23.685 -
  23.686 -	/*
  23.687 -	 * index -1 means the kernel should try to find and
  23.688 -	 * allocate an empty descriptor:
  23.689 -	 */
  23.690 -	if (idx == -1) {
  23.691 -		idx = get_free_idx();
  23.692 -		if (idx < 0)
  23.693 -			return idx;
  23.694 -		if (put_user(idx, &u_info->entry_number))
  23.695 -			return -EFAULT;
  23.696 -	}
  23.697 -
  23.698 -	if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
  23.699 -		return -EINVAL;
  23.700 -
  23.701 -	desc = t->tls_array + idx - GDT_ENTRY_TLS_MIN;
  23.702 -
  23.703 -	/*
  23.704 -	 * We must not get preempted while modifying the TLS.
  23.705 -	 */
  23.706 -	cpu = get_cpu();
  23.707 -
  23.708 -	if (LDT_empty(&info)) {
  23.709 -		desc->a = 0;
  23.710 -		desc->b = 0;
  23.711 -	} else {
  23.712 -		desc->a = LDT_entry_a(&info);
  23.713 -		desc->b = LDT_entry_b(&info);
  23.714 -	}
  23.715 -	load_TLS(t, cpu);
  23.716 -
  23.717 -	put_cpu();
  23.718 -
  23.719 -	return 0;
  23.720 -}
  23.721 -
  23.722 -/*
  23.723 - * Get the current Thread-Local Storage area:
  23.724 - */
  23.725 -
  23.726 -#define GET_BASE(desc) ( \
  23.727 -	(((desc)->a >> 16) & 0x0000ffff) | \
  23.728 -	(((desc)->b << 16) & 0x00ff0000) | \
  23.729 -	( (desc)->b        & 0xff000000)   )
  23.730 -
  23.731 -#define GET_LIMIT(desc) ( \
  23.732 -	((desc)->a & 0x0ffff) | \
  23.733 -	 ((desc)->b & 0xf0000) )
  23.734 -	
  23.735 -#define GET_32BIT(desc)		(((desc)->b >> 22) & 1)
  23.736 -#define GET_CONTENTS(desc)	(((desc)->b >> 10) & 3)
  23.737 -#define GET_WRITABLE(desc)	(((desc)->b >>  9) & 1)
  23.738 -#define GET_LIMIT_PAGES(desc)	(((desc)->b >> 23) & 1)
  23.739 -#define GET_PRESENT(desc)	(((desc)->b >> 15) & 1)
  23.740 -#define GET_USEABLE(desc)	(((desc)->b >> 20) & 1)
  23.741 -
  23.742 -asmlinkage int sys_get_thread_area(struct user_desc __user *u_info)
  23.743 -{
  23.744 -	struct user_desc info;
  23.745 -	struct desc_struct *desc;
  23.746 -	int idx;
  23.747 -
  23.748 -	if (get_user(idx, &u_info->entry_number))
  23.749 -		return -EFAULT;
  23.750 -	if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
  23.751 -		return -EINVAL;
  23.752 -
  23.753 -	desc = current->thread.tls_array + idx - GDT_ENTRY_TLS_MIN;
  23.754 -
  23.755 -	info.entry_number = idx;
  23.756 -	info.base_addr = GET_BASE(desc);
  23.757 -	info.limit = GET_LIMIT(desc);
  23.758 -	info.seg_32bit = GET_32BIT(desc);
  23.759 -	info.contents = GET_CONTENTS(desc);
  23.760 -	info.read_exec_only = !GET_WRITABLE(desc);
  23.761 -	info.limit_in_pages = GET_LIMIT_PAGES(desc);
  23.762 -	info.seg_not_present = !GET_PRESENT(desc);
  23.763 -	info.useable = GET_USEABLE(desc);
  23.764 -
  23.765 -	if (copy_to_user(u_info, &info, sizeof(info)))
  23.766 -		return -EFAULT;
  23.767 -	return 0;
  23.768 -}
  23.769 -
    24.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/setup.c	Sat Mar 12 14:48:18 2005 +0000
    24.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    24.3 @@ -1,1550 +0,0 @@
    24.4 -/*
    24.5 - *  linux/arch/i386/kernel/setup.c
    24.6 - *
    24.7 - *  Copyright (C) 1995  Linus Torvalds
    24.8 - *
    24.9 - *  Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999
   24.10 - *
   24.11 - *  Memory region support
   24.12 - *	David Parsons <orc@pell.chi.il.us>, July-August 1999
   24.13 - *
   24.14 - *  Added E820 sanitization routine (removes overlapping memory regions);
   24.15 - *  Brian Moyle <bmoyle@mvista.com>, February 2001
   24.16 - *
   24.17 - * Moved CPU detection code to cpu/${cpu}.c
   24.18 - *    Patrick Mochel <mochel@osdl.org>, March 2002
   24.19 - *
   24.20 - *  Provisions for empty E820 memory regions (reported by certain BIOSes).
   24.21 - *  Alex Achenbach <xela@slit.de>, December 2002.
   24.22 - *
   24.23 - */
   24.24 -
   24.25 -/*
   24.26 - * This file handles the architecture-dependent parts of initialization
   24.27 - */
   24.28 -
   24.29 -#include <linux/sched.h>
   24.30 -#include <linux/mm.h>
   24.31 -#include <linux/tty.h>
   24.32 -#include <linux/ioport.h>
   24.33 -#include <linux/acpi.h>
   24.34 -#include <linux/apm_bios.h>
   24.35 -#include <linux/initrd.h>
   24.36 -#include <linux/bootmem.h>
   24.37 -#include <linux/seq_file.h>
   24.38 -#include <linux/console.h>
   24.39 -#include <linux/root_dev.h>
   24.40 -#include <linux/highmem.h>
   24.41 -#include <linux/module.h>
   24.42 -#include <linux/efi.h>
   24.43 -#include <linux/init.h>
   24.44 -#include <linux/edd.h>
   24.45 -#include <linux/percpu.h>
   24.46 -#include <video/edid.h>
   24.47 -#include <asm/e820.h>
   24.48 -#include <asm/mpspec.h>
   24.49 -#include <asm/setup.h>
   24.50 -#include <asm/arch_hooks.h>
   24.51 -#include <asm/sections.h>
   24.52 -#include <asm/io_apic.h>
   24.53 -#include <asm/ist.h>
   24.54 -#include <asm/io.h>
   24.55 -#include <asm-xen/hypervisor.h>
   24.56 -#include "setup_arch_pre.h"
   24.57 -#include <bios_ebda.h>
   24.58 -
   24.59 -/* Allows setting of maximum possible memory size  */
   24.60 -static unsigned long xen_override_max_pfn;
   24.61 -
   24.62 -int disable_pse __initdata = 0;
   24.63 -
   24.64 -/*
   24.65 - * Machine setup..
   24.66 - */
   24.67 -
   24.68 -#ifdef CONFIG_EFI
   24.69 -int efi_enabled = 0;
   24.70 -EXPORT_SYMBOL(efi_enabled);
   24.71 -#endif
   24.72 -
   24.73 -/* cpu data as detected by the assembly code in head.S */
   24.74 -struct cpuinfo_x86 new_cpu_data __initdata = { 0, 0, 0, 0, -1, 0, 1, 0, -1 };
   24.75 -/* common cpu data for all cpus */
   24.76 -struct cpuinfo_x86 boot_cpu_data = { 0, 0, 0, 0, -1, 0, 1, 0, -1 };
   24.77 -
   24.78 -unsigned long mmu_cr4_features;
   24.79 -EXPORT_SYMBOL_GPL(mmu_cr4_features);
   24.80 -
   24.81 -#ifdef	CONFIG_ACPI_INTERPRETER
   24.82 -	int acpi_disabled = 0;
   24.83 -#else
   24.84 -	int acpi_disabled = 1;
   24.85 -#endif
   24.86 -EXPORT_SYMBOL(acpi_disabled);
   24.87 -
   24.88 -#ifdef	CONFIG_ACPI_BOOT
   24.89 -int __initdata acpi_force = 0;
   24.90 -extern acpi_interrupt_flags	acpi_sci_flags;
   24.91 -#endif
   24.92 -
   24.93 -int MCA_bus;
   24.94 -/* for MCA, but anyone else can use it if they want */
   24.95 -unsigned int machine_id;
   24.96 -unsigned int machine_submodel_id;
   24.97 -unsigned int BIOS_revision;
   24.98 -unsigned int mca_pentium_flag;
   24.99 -
  24.100 -/* For PCI or other memory-mapped resources */
  24.101 -unsigned long pci_mem_start = 0x10000000;
  24.102 -
  24.103 -/* user-defined highmem size */
  24.104 -static unsigned int highmem_pages = -1;
  24.105 -
  24.106 -/*
  24.107 - * Setup options
  24.108 - */
  24.109 -struct drive_info_struct { char dummy[32]; } drive_info;
  24.110 -struct screen_info screen_info;
  24.111 -struct apm_info apm_info;
  24.112 -struct sys_desc_table_struct {
  24.113 -	unsigned short length;
  24.114 -	unsigned char table[0];
  24.115 -};
  24.116 -struct edid_info edid_info;
  24.117 -struct ist_info ist_info;
  24.118 -struct e820map e820;
  24.119 -
  24.120 -unsigned char aux_device_present;
  24.121 -
  24.122 -extern void early_cpu_init(void);
  24.123 -extern void dmi_scan_machine(void);
  24.124 -extern void generic_apic_probe(char *);
  24.125 -extern int root_mountflags;
  24.126 -
  24.127 -unsigned long saved_videomode;
  24.128 -
  24.129 -#define RAMDISK_IMAGE_START_MASK  	0x07FF
  24.130 -#define RAMDISK_PROMPT_FLAG		0x8000
  24.131 -#define RAMDISK_LOAD_FLAG		0x4000	
  24.132 -
  24.133 -static char command_line[COMMAND_LINE_SIZE];
  24.134 -
  24.135 -unsigned char __initdata boot_params[PARAM_SIZE];
  24.136 -
  24.137 -static struct resource data_resource = {
  24.138 -	.name	= "Kernel data",
  24.139 -	.start	= 0,
  24.140 -	.end	= 0,
  24.141 -	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
  24.142 -};
  24.143 -
  24.144 -static struct resource code_resource = {
  24.145 -	.name	= "Kernel code",
  24.146 -	.start	= 0,
  24.147 -	.end	= 0,
  24.148 -	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
  24.149 -};
  24.150 -
  24.151 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST
  24.152 -static struct resource system_rom_resource = {
  24.153 -	.name	= "System ROM",
  24.154 -	.start	= 0xf0000,
  24.155 -	.end	= 0xfffff,
  24.156 -	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
  24.157 -};
  24.158 -
  24.159 -static struct resource extension_rom_resource = {
  24.160 -	.name	= "Extension ROM",
  24.161 -	.start	= 0xe0000,
  24.162 -	.end	= 0xeffff,
  24.163 -	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
  24.164 -};
  24.165 -
  24.166 -static struct resource adapter_rom_resources[] = { {
  24.167 -	.name 	= "Adapter ROM",
  24.168 -	.start	= 0xc8000,
  24.169 -	.end	= 0,
  24.170 -	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
  24.171 -}, {
  24.172 -	.name 	= "Adapter ROM",
  24.173 -	.start	= 0,
  24.174 -	.end	= 0,
  24.175 -	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
  24.176 -}, {
  24.177 -	.name 	= "Adapter ROM",
  24.178 -	.start	= 0,
  24.179 -	.end	= 0,
  24.180 -	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
  24.181 -}, {
  24.182 -	.name 	= "Adapter ROM",
  24.183 -	.start	= 0,
  24.184 -	.end	= 0,
  24.185 -	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
  24.186 -}, {
  24.187 -	.name 	= "Adapter ROM",
  24.188 -	.start	= 0,
  24.189 -	.end	= 0,
  24.190 -	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
  24.191 -}, {
  24.192 -	.name 	= "Adapter ROM",
  24.193 -	.start	= 0,
  24.194 -	.end	= 0,
  24.195 -	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
  24.196 -} };
  24.197 -
  24.198 -#define ADAPTER_ROM_RESOURCES \
  24.199 -	(sizeof adapter_rom_resources / sizeof adapter_rom_resources[0])
  24.200 -
  24.201 -static struct resource video_rom_resource = {
  24.202 -	.name 	= "Video ROM",
  24.203 -	.start	= 0xc0000,
  24.204 -	.end	= 0xc7fff,
  24.205 -	.flags	= IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM
  24.206 -};
  24.207 -#endif
  24.208 -
  24.209 -static struct resource video_ram_resource = {
  24.210 -	.name	= "Video RAM area",
  24.211 -	.start	= 0xa0000,
  24.212 -	.end	= 0xbffff,
  24.213 -	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
  24.214 -};
  24.215 -
  24.216 -static struct resource standard_io_resources[] = { {
  24.217 -	.name	= "dma1",
  24.218 -	.start	= 0x0000,
  24.219 -	.end	= 0x001f,
  24.220 -	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
  24.221 -}, {
  24.222 -	.name	= "pic1",
  24.223 -	.start	= 0x0020,
  24.224 -	.end	= 0x0021,
  24.225 -	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
  24.226 -}, {
  24.227 -	.name   = "timer0",
  24.228 -	.start	= 0x0040,
  24.229 -	.end    = 0x0043,
  24.230 -	.flags  = IORESOURCE_BUSY | IORESOURCE_IO
  24.231 -}, {
  24.232 -	.name   = "timer1",
  24.233 -	.start  = 0x0050,
  24.234 -	.end    = 0x0053,
  24.235 -	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
  24.236 -}, {
  24.237 -	.name	= "keyboard",
  24.238 -	.start	= 0x0060,
  24.239 -	.end	= 0x006f,
  24.240 -	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
  24.241 -}, {
  24.242 -	.name	= "dma page reg",
  24.243 -	.start	= 0x0080,
  24.244 -	.end	= 0x008f,
  24.245 -	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
  24.246 -}, {
  24.247 -	.name	= "pic2",
  24.248 -	.start	= 0x00a0,
  24.249 -	.end	= 0x00a1,
  24.250 -	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
  24.251 -}, {
  24.252 -	.name	= "dma2",
  24.253 -	.start	= 0x00c0,
  24.254 -	.end	= 0x00df,
  24.255 -	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
  24.256 -}, {
  24.257 -	.name	= "fpu",
  24.258 -	.start	= 0x00f0,
  24.259 -	.end	= 0x00ff,
  24.260 -	.flags	= IORESOURCE_BUSY | IORESOURCE_IO
  24.261 -} };
  24.262 -
  24.263 -#define STANDARD_IO_RESOURCES \
  24.264 -	(sizeof standard_io_resources / sizeof standard_io_resources[0])
  24.265 -
  24.266 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST
  24.267 -#define romsignature(x) (*(unsigned short *)(x) == 0xaa55)
  24.268 -
  24.269 -static int __init romchecksum(unsigned char *rom, unsigned long length)
  24.270 -{
  24.271 -	unsigned char *p, sum = 0;
  24.272 -
  24.273 -	for (p = rom; p < rom + length; p++)
  24.274 -		sum += *p;
  24.275 -	return sum == 0;
  24.276 -}
  24.277 -
  24.278 -static void __init probe_roms(void)
  24.279 -{
  24.280 -	unsigned long start, length, upper;
  24.281 -	unsigned char *rom;
  24.282 -	int	      i;
  24.283 -
  24.284 -	/* video rom */
  24.285 -	upper = adapter_rom_resources[0].start;
  24.286 -	for (start = video_rom_resource.start; start < upper; start += 2048) {
  24.287 -		rom = isa_bus_to_virt(start);
  24.288 -		if (!romsignature(rom))
  24.289 -			continue;
  24.290 -
  24.291 -		video_rom_resource.start = start;
  24.292 -
  24.293 -		/* 0 < length <= 0x7f * 512, historically */
  24.294 -		length = rom[2] * 512;
  24.295 -
  24.296 -		/* if checksum okay, trust length byte */
  24.297 -		if (length && romchecksum(rom, length))
  24.298 -			video_rom_resource.end = start + length - 1;
  24.299 -
  24.300 -		request_resource(&iomem_resource, &video_rom_resource);
  24.301 -		break;
  24.302 -	}
  24.303 -
  24.304 -	start = (video_rom_resource.end + 1 + 2047) & ~2047UL;
  24.305 -	if (start < upper)
  24.306 -		start = upper;
  24.307 -
  24.308 -	/* system rom */
  24.309 -	request_resource(&iomem_resource, &system_rom_resource);
  24.310 -	upper = system_rom_resource.start;
  24.311 -
  24.312 -	/* check for extension rom (ignore length byte!) */
  24.313 -	rom = isa_bus_to_virt(extension_rom_resource.start);
  24.314 -	if (romsignature(rom)) {
  24.315 -		length = extension_rom_resource.end - extension_rom_resource.start + 1;
  24.316 -		if (romchecksum(rom, length)) {
  24.317 -			request_resource(&iomem_resource, &extension_rom_resource);
  24.318 -			upper = extension_rom_resource.start;
  24.319 -		}
  24.320 -	}
  24.321 -
  24.322 -	/* check for adapter roms on 2k boundaries */
  24.323 -	for (i = 0; i < ADAPTER_ROM_RESOURCES && start < upper; start += 2048) {
  24.324 -		rom = isa_bus_to_virt(start);
  24.325 -		if (!romsignature(rom))
  24.326 -			continue;
  24.327 -
  24.328 -		/* 0 < length <= 0x7f * 512, historically */
  24.329 -		length = rom[2] * 512;
  24.330 -
  24.331 -		/* but accept any length that fits if checksum okay */
  24.332 -		if (!length || start + length > upper || !romchecksum(rom, length))
  24.333 -			continue;
  24.334 -
  24.335 -		adapter_rom_resources[i].start = start;
  24.336 -		adapter_rom_resources[i].end = start + length - 1;
  24.337 -		request_resource(&iomem_resource, &adapter_rom_resources[i]);
  24.338 -
  24.339 -		start = adapter_rom_resources[i++].end & ~2047UL;
  24.340 -	}
  24.341 -}
  24.342 -#endif
  24.343 -
  24.344 -/*
  24.345 - * Point at the empty zero page to start with. We map the real shared_info
  24.346 - * page as soon as fixmap is up and running.
  24.347 - */
  24.348 -shared_info_t *HYPERVISOR_shared_info = (shared_info_t *)empty_zero_page;
  24.349 -EXPORT_SYMBOL(HYPERVISOR_shared_info);
  24.350 -
  24.351 -unsigned int *phys_to_machine_mapping, *pfn_to_mfn_frame_list;
  24.352 -EXPORT_SYMBOL(phys_to_machine_mapping);
  24.353 -
  24.354 -DEFINE_PER_CPU(multicall_entry_t, multicall_list[8]);
  24.355 -DEFINE_PER_CPU(int, nr_multicall_ents);
  24.356 -
  24.357 -/* Raw start-of-day parameters from the hypervisor. */
  24.358 -union xen_start_info_union xen_start_info_union;
  24.359 -
  24.360 -static void __init limit_regions(unsigned long long size)
  24.361 -{
  24.362 -	unsigned long long current_addr = 0;
  24.363 -	int i;
  24.364 -
  24.365 -	if (efi_enabled) {
  24.366 -		for (i = 0; i < memmap.nr_map; i++) {
  24.367 -			current_addr = memmap.map[i].phys_addr +
  24.368 -				       (memmap.map[i].num_pages << 12);
  24.369 -			if (memmap.map[i].type == EFI_CONVENTIONAL_MEMORY) {
  24.370 -				if (current_addr >= size) {
  24.371 -					memmap.map[i].num_pages -=
  24.372 -						(((current_addr-size) + PAGE_SIZE-1) >> PAGE_SHIFT);
  24.373 -					memmap.nr_map = i + 1;
  24.374 -					return;
  24.375 -				}
  24.376 -			}
  24.377 -		}
  24.378 -	}
  24.379 -	for (i = 0; i < e820.nr_map; i++) {
  24.380 -		if (e820.map[i].type == E820_RAM) {
  24.381 -			current_addr = e820.map[i].addr + e820.map[i].size;
  24.382 -			if (current_addr >= size) {
  24.383 -				e820.map[i].size -= current_addr-size;
  24.384 -				e820.nr_map = i + 1;
  24.385 -				return;
  24.386 -			}
  24.387 -		}
  24.388 -	}
  24.389 -}
  24.390 -
  24.391 -static void __init add_memory_region(unsigned long long start,
  24.392 -                                  unsigned long long size, int type)
  24.393 -{
  24.394 -	int x;
  24.395 -
  24.396 -	if (!efi_enabled) {
  24.397 -       		x = e820.nr_map;
  24.398 -
  24.399 -		if (x == E820MAX) {
  24.400 -		    printk(KERN_ERR "Ooops! Too many entries in the memory map!\n");
  24.401 -		    return;
  24.402 -		}
  24.403 -
  24.404 -		e820.map[x].addr = start;
  24.405 -		e820.map[x].size = size;
  24.406 -		e820.map[x].type = type;
  24.407 -		e820.nr_map++;
  24.408 -	}
  24.409 -} /* add_memory_region */
  24.410 -
  24.411 -#define E820_DEBUG	1
  24.412 -
  24.413 -static void __init print_memory_map(char *who)
  24.414 -{
  24.415 -	int i;
  24.416 -
  24.417 -	for (i = 0; i < e820.nr_map; i++) {
  24.418 -		printk(" %s: %016Lx - %016Lx ", who,
  24.419 -			e820.map[i].addr,
  24.420 -			e820.map[i].addr + e820.map[i].size);
  24.421 -		switch (e820.map[i].type) {
  24.422 -		case E820_RAM:	printk("(usable)\n");
  24.423 -				break;
  24.424 -		case E820_RESERVED:
  24.425 -				printk("(reserved)\n");
  24.426 -				break;
  24.427 -		case E820_ACPI:
  24.428 -				printk("(ACPI data)\n");
  24.429 -				break;
  24.430 -		case E820_NVS:
  24.431 -				printk("(ACPI NVS)\n");
  24.432 -				break;
  24.433 -		default:	printk("type %lu\n", e820.map[i].type);
  24.434 -				break;
  24.435 -		}
  24.436 -	}
  24.437 -}
  24.438 -
  24.439 -#if 0
  24.440 -/*
  24.441 - * Sanitize the BIOS e820 map.
  24.442 - *
  24.443 - * Some e820 responses include overlapping entries.  The following 
  24.444 - * replaces the original e820 map with a new one, removing overlaps.
  24.445 - *
  24.446 - */
  24.447 -struct change_member {
  24.448 -	struct e820entry *pbios; /* pointer to original bios entry */
  24.449 -	unsigned long long addr; /* address for this change point */
  24.450 -};
  24.451 -struct change_member change_point_list[2*E820MAX] __initdata;
  24.452 -struct change_member *change_point[2*E820MAX] __initdata;
  24.453 -struct e820entry *overlap_list[E820MAX] __initdata;
  24.454 -struct e820entry new_bios[E820MAX] __initdata;
  24.455 -
  24.456 -static int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map)
  24.457 -{
  24.458 -	struct change_member *change_tmp;
  24.459 -	unsigned long current_type, last_type;
  24.460 -	unsigned long long last_addr;
  24.461 -	int chgidx, still_changing;
  24.462 -	int overlap_entries;
  24.463 -	int new_bios_entry;
  24.464 -	int old_nr, new_nr, chg_nr;
  24.465 -	int i;
  24.466 -
  24.467 -	/*
  24.468 -		Visually we're performing the following (1,2,3,4 = memory types)...
  24.469 -
  24.470 -		Sample memory map (w/overlaps):
  24.471 -		   ____22__________________
  24.472 -		   ______________________4_
  24.473 -		   ____1111________________
  24.474 -		   _44_____________________
  24.475 -		   11111111________________
  24.476 -		   ____________________33__
  24.477 -		   ___________44___________
  24.478 -		   __________33333_________
  24.479 -		   ______________22________
  24.480 -		   ___________________2222_
  24.481 -		   _________111111111______
  24.482 -		   _____________________11_
  24.483 -		   _________________4______
  24.484 -
  24.485 -		Sanitized equivalent (no overlap):
  24.486 -		   1_______________________
  24.487 -		   _44_____________________
  24.488 -		   ___1____________________
  24.489 -		   ____22__________________
  24.490 -		   ______11________________
  24.491 -		   _________1______________
  24.492 -		   __________3_____________
  24.493 -		   ___________44___________
  24.494 -		   _____________33_________
  24.495 -		   _______________2________
  24.496 -		   ________________1_______
  24.497 -		   _________________4______
  24.498 -		   ___________________2____
  24.499 -		   ____________________33__
  24.500 -		   ______________________4_
  24.501 -	*/
  24.502 -
  24.503 -	/* if there's only one memory region, don't bother */
  24.504 -	if (*pnr_map < 2)
  24.505 -		return -1;
  24.506 -
  24.507 -	old_nr = *pnr_map;
  24.508 -
  24.509 -	/* bail out if we find any unreasonable addresses in bios map */
  24.510 -	for (i=0; i<old_nr; i++)
  24.511 -		if (biosmap[i].addr + biosmap[i].size < biosmap[i].addr)
  24.512 -			return -1;
  24.513 -
  24.514 -	/* create pointers for initial change-point information (for sorting) */
  24.515 -	for (i=0; i < 2*old_nr; i++)
  24.516 -		change_point[i] = &change_point_list[i];
  24.517 -
  24.518 -	/* record all known change-points (starting and ending addresses),
  24.519 -	   omitting those that are for empty memory regions */
  24.520 -	chgidx = 0;
  24.521 -	for (i=0; i < old_nr; i++)	{
  24.522 -		if (biosmap[i].size != 0) {
  24.523 -			change_point[chgidx]->addr = biosmap[i].addr;
  24.524 -			change_point[chgidx++]->pbios = &biosmap[i];
  24.525 -			change_point[chgidx]->addr = biosmap[i].addr + biosmap[i].size;
  24.526 -			change_point[chgidx++]->pbios = &biosmap[i];
  24.527 -		}
  24.528 -	}
  24.529 -	chg_nr = chgidx;    	/* true number of change-points */
  24.530 -
  24.531 -	/* sort change-point list by memory addresses (low -> high) */
  24.532 -	still_changing = 1;
  24.533 -	while (still_changing)	{
  24.534 -		still_changing = 0;
  24.535 -		for (i=1; i < chg_nr; i++)  {
  24.536 -			/* if <current_addr> > <last_addr>, swap */
  24.537 -			/* or, if current=<start_addr> & last=<end_addr>, swap */
  24.538 -			if ((change_point[i]->addr < change_point[i-1]->addr) ||
  24.539 -				((change_point[i]->addr == change_point[i-1]->addr) &&
  24.540 -				 (change_point[i]->addr == change_point[i]->pbios->addr) &&
  24.541 -				 (change_point[i-1]->addr != change_point[i-1]->pbios->addr))
  24.542 -			   )
  24.543 -			{
  24.544 -				change_tmp = change_point[i];
  24.545 -				change_point[i] = change_point[i-1];
  24.546 -				change_point[i-1] = change_tmp;
  24.547 -				still_changing=1;
  24.548 -			}
  24.549 -		}
  24.550 -	}
  24.551 -
  24.552 -	/* create a new bios memory map, removing overlaps */
  24.553 -	overlap_entries=0;	 /* number of entries in the overlap table */
  24.554 -	new_bios_entry=0;	 /* index for creating new bios map entries */
  24.555 -	last_type = 0;		 /* start with undefined memory type */
  24.556 -	last_addr = 0;		 /* start with 0 as last starting address */
  24.557 -	/* loop through change-points, determining affect on the new bios map */
  24.558 -	for (chgidx=0; chgidx < chg_nr; chgidx++)
  24.559 -	{
  24.560 -		/* keep track of all overlapping bios entries */
  24.561 -		if (change_point[chgidx]->addr == change_point[chgidx]->pbios->addr)
  24.562 -		{
  24.563 -			/* add map entry to overlap list (> 1 entry implies an overlap) */
  24.564 -			overlap_list[overlap_entries++]=change_point[chgidx]->pbios;
  24.565 -		}
  24.566 -		else
  24.567 -		{
  24.568 -			/* remove entry from list (order independent, so swap with last) */
  24.569 -			for (i=0; i<overlap_entries; i++)
  24.570 -			{
  24.571 -				if (overlap_list[i] == change_point[chgidx]->pbios)
  24.572 -					overlap_list[i] = overlap_list[overlap_entries-1];
  24.573 -			}
  24.574 -			overlap_entries--;
  24.575 -		}
  24.576 -		/* if there are overlapping entries, decide which "type" to use */
  24.577 -		/* (larger value takes precedence -- 1=usable, 2,3,4,4+=unusable) */
  24.578 -		current_type = 0;
  24.579 -		for (i=0; i<overlap_entries; i++)
  24.580 -			if (overlap_list[i]->type > current_type)
  24.581 -				current_type = overlap_list[i]->type;
  24.582 -		/* continue building up new bios map based on this information */
  24.583 -		if (current_type != last_type)	{
  24.584 -			if (last_type != 0)	 {
  24.585 -				new_bios[new_bios_entry].size =
  24.586 -					change_point[chgidx]->addr - last_addr;
  24.587 -				/* move forward only if the new size was non-zero */
  24.588 -				if (new_bios[new_bios_entry].size != 0)
  24.589 -					if (++new_bios_entry >= E820MAX)
  24.590 -						break; 	/* no more space left for new bios entries */
  24.591 -			}
  24.592 -			if (current_type != 0)	{
  24.593 -				new_bios[new_bios_entry].addr = change_point[chgidx]->addr;
  24.594 -				new_bios[new_bios_entry].type = current_type;
  24.595 -				last_addr=change_point[chgidx]->addr;
  24.596 -			}
  24.597 -			last_type = current_type;
  24.598 -		}
  24.599 -	}
  24.600 -	new_nr = new_bios_entry;   /* retain count for new bios entries */
  24.601 -
  24.602 -	/* copy new bios mapping into original location */
  24.603 -	memcpy(biosmap, new_bios, new_nr*sizeof(struct e820entry));
  24.604 -	*pnr_map = new_nr;
  24.605 -
  24.606 -	return 0;
  24.607 -}
  24.608 -
  24.609 -/*
  24.610 - * Copy the BIOS e820 map into a safe place.
  24.611 - *
  24.612 - * Sanity-check it while we're at it..
  24.613 - *
  24.614 - * If we're lucky and live on a modern system, the setup code
  24.615 - * will have given us a memory map that we can use to properly
  24.616 - * set up memory.  If we aren't, we'll fake a memory map.
  24.617 - *
  24.618 - * We check to see that the memory map contains at least 2 elements
  24.619 - * before we'll use it, because the detection code in setup.S may
  24.620 - * not be perfect and most every PC known to man has two memory
  24.621 - * regions: one from 0 to 640k, and one from 1mb up.  (The IBM
  24.622 - * thinkpad 560x, for example, does not cooperate with the memory
  24.623 - * detection code.)
  24.624 - */
  24.625 -static int __init copy_e820_map(struct e820entry * biosmap, int nr_map)
  24.626 -{
  24.627 -	/* Only one memory region (or negative)? Ignore it */
  24.628 -	if (nr_map < 2)
  24.629 -		return -1;
  24.630 -
  24.631 -	do {
  24.632 -		unsigned long long start = biosmap->addr;
  24.633 -		unsigned long long size = biosmap->size;
  24.634 -		unsigned long long end = start + size;
  24.635 -		unsigned long type = biosmap->type;
  24.636 -
  24.637 -		/* Overflow in 64 bits? Ignore the memory map. */
  24.638 -		if (start > end)
  24.639 -			return -1;
  24.640 -
  24.641 -		/*
  24.642 -		 * Some BIOSes claim RAM in the 640k - 1M region.
  24.643 -		 * Not right. Fix it up.
  24.644 -		 */
  24.645 -		if (type == E820_RAM) {
  24.646 -			if (start < 0x100000ULL && end > 0xA0000ULL) {
  24.647 -				if (start < 0xA0000ULL)
  24.648 -					add_memory_region(start, 0xA0000ULL-start, type);
  24.649 -				if (end <= 0x100000ULL)
  24.650 -					continue;
  24.651 -				start = 0x100000ULL;
  24.652 -				size = end - start;
  24.653 -			}
  24.654 -		}
  24.655 -		add_memory_region(start, size, type);
  24.656 -	} while (biosmap++,--nr_map);
  24.657 -	return 0;
  24.658 -}
  24.659 -#endif
  24.660 -
  24.661 -#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
  24.662 -struct edd edd;
  24.663 -#ifdef CONFIG_EDD_MODULE
  24.664 -EXPORT_SYMBOL(edd);
  24.665 -#endif
  24.666 -/**
  24.667 - * copy_edd() - Copy the BIOS EDD information
  24.668 - *              from boot_params into a safe place.
  24.669 - *
  24.670 - */
  24.671 -static inline void copy_edd(void)
  24.672 -{
  24.673 -     memcpy(edd.mbr_signature, EDD_MBR_SIGNATURE, sizeof(edd.mbr_signature));
  24.674 -     memcpy(edd.edd_info, EDD_BUF, sizeof(edd.edd_info));
  24.675 -     edd.mbr_signature_nr = EDD_MBR_SIG_NR;
  24.676 -     edd.edd_info_nr = EDD_NR;
  24.677 -}
  24.678 -#else
  24.679 -static inline void copy_edd(void)
  24.680 -{
  24.681 -}
  24.682 -#endif
  24.683 -
  24.684 -/*
  24.685 - * Do NOT EVER look at the BIOS memory size location.
  24.686 - * It does not work on many machines.
  24.687 - */
  24.688 -#define LOWMEMSIZE()	(0x9f000)
  24.689 -
  24.690 -static void __init parse_cmdline_early (char ** cmdline_p)
  24.691 -{
  24.692 -	char c = ' ', *to = command_line, *from = saved_command_line;
  24.693 -	int len = 0;
  24.694 -	int userdef = 0;
  24.695 -
  24.696 -	memcpy(saved_command_line, xen_start_info.cmd_line, MAX_CMDLINE);
  24.697 -	/* Save unparsed command line copy for /proc/cmdline */
  24.698 -	saved_command_line[COMMAND_LINE_SIZE-1] = '\0';
  24.699 -
  24.700 -	for (;;) {
  24.701 -		/*
  24.702 -		 * "mem=nopentium" disables the 4MB page tables.
  24.703 -		 * "mem=XXX[kKmM]" defines a memory region from HIGH_MEM
  24.704 -		 * to <mem>, overriding the bios size.
  24.705 -		 * "memmap=XXX[KkmM]@XXX[KkmM]" defines a memory region from
  24.706 -		 * <start> to <start>+<mem>, overriding the bios size.
  24.707 -		 *
  24.708 -		 * HPA tells me bootloaders need to parse mem=, so no new
  24.709 -		 * option should be mem=  [also see Documentation/i386/boot.txt]
  24.710 -		 */
  24.711 -		if (c == ' ' && !memcmp(from, "mem=", 4)) {
  24.712 -			if (to != command_line)
  24.713 -				to--;
  24.714 -			if (!memcmp(from+4, "nopentium", 9)) {
  24.715 -				from += 9+4;
  24.716 -				clear_bit(X86_FEATURE_PSE, boot_cpu_data.x86_capability);
  24.717 -				disable_pse = 1;
  24.718 -			} else {
  24.719 -				/* If the user specifies memory size, we
  24.720 -				 * limit the BIOS-provided memory map to
  24.721 -				 * that size. exactmap can be used to specify
  24.722 -				 * the exact map. mem=number can be used to
  24.723 -				 * trim the existing memory map.
  24.724 -				 */
  24.725 -				unsigned long long mem_size;
  24.726 - 
  24.727 -				mem_size = memparse(from+4, &from);
  24.728 -#if 0
  24.729 -				limit_regions(mem_size);
  24.730 -				userdef=1;
  24.731 -#else
  24.732 -				xen_override_max_pfn =
  24.733 -					(unsigned long)(mem_size>>PAGE_SHIFT);
  24.734 -#endif
  24.735 -			}
  24.736 -		}
  24.737 -
  24.738 -		if (c == ' ' && !memcmp(from, "memmap=", 7)) {
  24.739 -			if (to != command_line)
  24.740 -				to--;
  24.741 -			if (!memcmp(from+7, "exactmap", 8)) {
  24.742 -				from += 8+7;
  24.743 -				e820.nr_map = 0;
  24.744 -				userdef = 1;
  24.745 -			} else {
  24.746 -				/* If the user specifies memory size, we
  24.747 -				 * limit the BIOS-provided memory map to
  24.748 -				 * that size. exactmap can be used to specify
  24.749 -				 * the exact map. mem=number can be used to
  24.750 -				 * trim the existing memory map.
  24.751 -				 */
  24.752 -				unsigned long long start_at, mem_size;
  24.753 - 
  24.754 -				mem_size = memparse(from+7, &from);
  24.755 -				if (*from == '@') {
  24.756 -					start_at = memparse(from+1, &from);
  24.757 -					add_memory_region(start_at, mem_size, E820_RAM);
  24.758 -				} else if (*from == '#') {
  24.759 -					start_at = memparse(from+1, &from);
  24.760 -					add_memory_region(start_at, mem_size, E820_ACPI);
  24.761 -				} else if (*from == '$') {
  24.762 -					start_at = memparse(from+1, &from);
  24.763 -					add_memory_region(start_at, mem_size, E820_RESERVED);
  24.764 -				} else {
  24.765 -					limit_regions(mem_size);
  24.766 -					userdef=1;
  24.767 -				}
  24.768 -			}
  24.769 -		}
  24.770 -
  24.771 -#ifdef  CONFIG_X86_SMP
  24.772 -		/*
  24.773 -		 * If the BIOS enumerates physical processors before logical,
  24.774 -		 * maxcpus=N at enumeration-time can be used to disable HT.
  24.775 -		 */
  24.776 -		else if (!memcmp(from, "maxcpus=", 8)) {
  24.777 -			extern unsigned int maxcpus;
  24.778 -
  24.779 -			maxcpus = simple_strtoul(from + 8, NULL, 0);
  24.780 -		}
  24.781 -#endif
  24.782 -
  24.783 -#ifdef CONFIG_ACPI_BOOT
  24.784 -		/* "acpi=off" disables both ACPI table parsing and interpreter */
  24.785 -		else if (!memcmp(from, "acpi=off", 8)) {
  24.786 -			disable_acpi();
  24.787 -		}
  24.788 -
  24.789 -		/* acpi=force to over-ride black-list */
  24.790 -		else if (!memcmp(from, "acpi=force", 10)) {
  24.791 -			acpi_force = 1;
  24.792 -			acpi_ht = 1;
  24.793 -			acpi_disabled = 0;
  24.794 -		}
  24.795 -
  24.796 -		/* acpi=strict disables out-of-spec workarounds */
  24.797 -		else if (!memcmp(from, "acpi=strict", 11)) {
  24.798 -			acpi_strict = 1;
  24.799 -		}
  24.800 -
  24.801 -		/* Limit ACPI just to boot-time to enable HT */
  24.802 -		else if (!memcmp(from, "acpi=ht", 7)) {
  24.803 -			if (!acpi_force)
  24.804 -				disable_acpi();
  24.805 -			acpi_ht = 1;
  24.806 -		}
  24.807 -		
  24.808 -		/* "pci=noacpi" disable ACPI IRQ routing and PCI scan */
  24.809 -		else if (!memcmp(from, "pci=noacpi", 10)) {
  24.810 -			acpi_disable_pci();
  24.811 -		}
  24.812 -		/* "acpi=noirq" disables ACPI interrupt routing */
  24.813 -		else if (!memcmp(from, "acpi=noirq", 10)) {
  24.814 -			acpi_noirq_set();
  24.815 -		}
  24.816 -
  24.817 -		else if (!memcmp(from, "acpi_sci=edge", 13))
  24.818 -			acpi_sci_flags.trigger =  1;
  24.819 -
  24.820 -		else if (!memcmp(from, "acpi_sci=level", 14))
  24.821 -			acpi_sci_flags.trigger = 3;
  24.822 -
  24.823 -		else if (!memcmp(from, "acpi_sci=high", 13))
  24.824 -			acpi_sci_flags.polarity = 1;
  24.825 -
  24.826 -		else if (!memcmp(from, "acpi_sci=low", 12))
  24.827 -			acpi_sci_flags.polarity = 3;
  24.828 -
  24.829 -#ifdef CONFIG_X86_IO_APIC
  24.830 -		else if (!memcmp(from, "acpi_skip_timer_override", 24))
  24.831 -			acpi_skip_timer_override = 1;
  24.832 -#endif
  24.833 -
  24.834 -#ifdef CONFIG_X86_LOCAL_APIC
  24.835 -		/* disable IO-APIC */
  24.836 -		else if (!memcmp(from, "noapic", 6))
  24.837 -			disable_ioapic_setup();
  24.838 -#endif /* CONFIG_X86_LOCAL_APIC */
  24.839 -#endif /* CONFIG_ACPI_BOOT */
  24.840 -
  24.841 -		/*
  24.842 -		 * highmem=size forces highmem to be exactly 'size' bytes.
  24.843 -		 * This works even on boxes that have no highmem otherwise.
  24.844 -		 * This also works to reduce highmem size on bigger boxes.
  24.845 -		 */
  24.846 -		if (c == ' ' && !memcmp(from, "highmem=", 8))
  24.847 -			highmem_pages = memparse(from+8, &from) >> PAGE_SHIFT;
  24.848 -	
  24.849 -		/*
  24.850 -		 * vmalloc=size forces the vmalloc area to be exactly 'size'
  24.851 -		 * bytes. This can be used to increase (or decrease) the
  24.852 -		 * vmalloc area - the default is 128m.
  24.853 -		 */
  24.854 -		if (c == ' ' && !memcmp(from, "vmalloc=", 8))
  24.855 -			__VMALLOC_RESERVE = memparse(from+8, &from);
  24.856 -
  24.857 -		c = *(from++);
  24.858 -		if (!c)
  24.859 -			break;
  24.860 -		if (COMMAND_LINE_SIZE <= ++len)
  24.861 -			break;
  24.862 -		*(to++) = c;
  24.863 -	}
  24.864 -	*to = '\0';
  24.865 -	*cmdline_p = command_line;
  24.866 -	if (userdef) {
  24.867 -		printk(KERN_INFO "user-defined physical RAM map:\n");
  24.868 -		print_memory_map("user");
  24.869 -	}
  24.870 -}
  24.871 -
  24.872 -#if 0 /* !XEN */
  24.873 -/*
  24.874 - * Callback for efi_memory_walk.
  24.875 - */
  24.876 -static int __init
  24.877 -efi_find_max_pfn(unsigned long start, unsigned long end, void *arg)
  24.878 -{
  24.879 -	unsigned long *max_pfn = arg, pfn;
  24.880 -
  24.881 -	if (start < end) {
  24.882 -		pfn = PFN_UP(end -1);
  24.883 -		if (pfn > *max_pfn)
  24.884 -			*max_pfn = pfn;
  24.885 -	}
  24.886 -	return 0;
  24.887 -}
  24.888 -
  24.889 -/*
  24.890 - * Find the highest page frame number we have available
  24.891 - */
  24.892 -void __init find_max_pfn(void)
  24.893 -{
  24.894 -	int i;
  24.895 -
  24.896 -	max_pfn = 0;
  24.897 -	if (efi_enabled) {
  24.898 -		efi_memmap_walk(efi_find_max_pfn, &max_pfn);
  24.899 -		return;
  24.900 -	}
  24.901 -
  24.902 -	for (i = 0; i < e820.nr_map; i++) {
  24.903 -		unsigned long start, end;
  24.904 -		/* RAM? */
  24.905 -		if (e820.map[i].type != E820_RAM)
  24.906 -			continue;
  24.907 -		start = PFN_UP(e820.map[i].addr);
  24.908 -		end = PFN_DOWN(e820.map[i].addr + e820.map[i].size);
  24.909 -		if (start >= end)
  24.910 -			continue;
  24.911 -		if (end > max_pfn)
  24.912 -			max_pfn = end;
  24.913 -	}
  24.914 -}
  24.915 -#else
  24.916 -/* We don't use the fake e820 because we need to respond to user override. */
  24.917 -void __init find_max_pfn(void)
  24.918 -{
  24.919 -	if ( xen_override_max_pfn < xen_start_info.nr_pages )
  24.920 -		xen_override_max_pfn = xen_start_info.nr_pages;
  24.921 -	max_pfn = xen_override_max_pfn;
  24.922 -}
  24.923 -#endif /* XEN */
  24.924 -
  24.925 -/*
  24.926 - * Determine low and high memory ranges:
  24.927 - */
  24.928 -unsigned long __init find_max_low_pfn(void)
  24.929 -{
  24.930 -	unsigned long max_low_pfn;
  24.931 -
  24.932 -	max_low_pfn = max_pfn;
  24.933 -	if (max_low_pfn > MAXMEM_PFN) {
  24.934 -		if (highmem_pages == -1)
  24.935 -			highmem_pages = max_pfn - MAXMEM_PFN;
  24.936 -		if (highmem_pages + MAXMEM_PFN < max_pfn)
  24.937 -			max_pfn = MAXMEM_PFN + highmem_pages;
  24.938 -		if (highmem_pages + MAXMEM_PFN > max_pfn) {
  24.939 -			printk("only %luMB highmem pages available, ignoring highmem size of %uMB.\n", pages_to_mb(max_pfn - MAXMEM_PFN), pages_to_mb(highmem_pages));
  24.940 -			highmem_pages = 0;
  24.941 -		}
  24.942 -		max_low_pfn = MAXMEM_PFN;
  24.943 -#ifndef CONFIG_HIGHMEM
  24.944 -		/* Maximum memory usable is what is directly addressable */
  24.945 -		printk(KERN_WARNING "Warning only %ldMB will be used.\n",
  24.946 -					MAXMEM>>20);
  24.947 -		if (max_pfn > MAX_NONPAE_PFN)
  24.948 -			printk(KERN_WARNING "Use a PAE enabled kernel.\n");
  24.949 -		else
  24.950 -			printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n");
  24.951 -		max_pfn = MAXMEM_PFN;
  24.952 -#else /* !CONFIG_HIGHMEM */
  24.953 -#ifndef CONFIG_X86_PAE
  24.954 -		if (max_pfn > MAX_NONPAE_PFN) {
  24.955 -			max_pfn = MAX_NONPAE_PFN;
  24.956 -			printk(KERN_WARNING "Warning only 4GB will be used.\n");
  24.957 -			printk(KERN_WARNING "Use a PAE enabled kernel.\n");
  24.958 -		}
  24.959 -#endif /* !CONFIG_X86_PAE */
  24.960 -#endif /* !CONFIG_HIGHMEM */
  24.961 -	} else {
  24.962 -		if (highmem_pages == -1)
  24.963 -			highmem_pages = 0;
  24.964 -#ifdef CONFIG_HIGHMEM
  24.965 -		if (highmem_pages >= max_pfn) {
  24.966 -			printk(KERN_ERR "highmem size specified (%uMB) is bigger than pages available (%luMB)!.\n", pages_to_mb(highmem_pages), pages_to_mb(max_pfn));
  24.967 -			highmem_pages = 0;
  24.968 -		}
  24.969 -		if (highmem_pages) {
  24.970 -			if (max_low_pfn-highmem_pages < 64*1024*1024/PAGE_SIZE){
  24.971 -				printk(KERN_ERR "highmem size %uMB results in smaller than 64MB lowmem, ignoring it.\n", pages_to_mb(highmem_pages));
  24.972 -				highmem_pages = 0;
  24.973 -			}
  24.974 -			max_low_pfn -= highmem_pages;
  24.975 -		}
  24.976 -#else
  24.977 -		if (highmem_pages)
  24.978 -			printk(KERN_ERR "ignoring highmem size on non-highmem kernel!\n");
  24.979 -#endif
  24.980 -	}
  24.981 -	return max_low_pfn;
  24.982 -}
  24.983 -
  24.984 -#ifndef CONFIG_DISCONTIGMEM
  24.985 -
  24.986 -/*
  24.987 - * Free all available memory for boot time allocation.  Used
  24.988 - * as a callback function by efi_memory_walk()
  24.989 - */
  24.990 -
  24.991 -static int __init
  24.992 -free_available_memory(unsigned long start, unsigned long end, void *arg)
  24.993 -{
  24.994 -	/* check max_low_pfn */
  24.995 -	if (start >= ((max_low_pfn + 1) << PAGE_SHIFT))
  24.996 -		return 0;
  24.997 -	if (end >= ((max_low_pfn + 1) << PAGE_SHIFT))
  24.998 -		end = (max_low_pfn + 1) << PAGE_SHIFT;
  24.999 -	if (start < end)
 24.1000 -		free_bootmem(start, end - start);
 24.1001 -
 24.1002 -	return 0;
 24.1003 -}
 24.1004 -/*
 24.1005 - * Register fully available low RAM pages with the bootmem allocator.
 24.1006 - */
 24.1007 -static void __init register_bootmem_low_pages(unsigned long max_low_pfn)
 24.1008 -{
 24.1009 -	int i;
 24.1010 -
 24.1011 -	if (efi_enabled) {
 24.1012 -		efi_memmap_walk(free_available_memory, NULL);
 24.1013 -		return;
 24.1014 -	}
 24.1015 -	for (i = 0; i < e820.nr_map; i++) {
 24.1016 -		unsigned long curr_pfn, last_pfn, size;
 24.1017 -		/*
 24.1018 -		 * Reserve usable low memory
 24.1019 -		 */
 24.1020 -		if (e820.map[i].type != E820_RAM)
 24.1021 -			continue;
 24.1022 -		/*
 24.1023 -		 * We are rounding up the start address of usable memory:
 24.1024 -		 */
 24.1025 -		curr_pfn = PFN_UP(e820.map[i].addr);
 24.1026 -		if (curr_pfn >= max_low_pfn)
 24.1027 -			continue;
 24.1028 -		/*
 24.1029 -		 * ... and at the end of the usable range downwards:
 24.1030 -		 */
 24.1031 -		last_pfn = PFN_DOWN(e820.map[i].addr + e820.map[i].size);
 24.1032 -
 24.1033 -		if (last_pfn > max_low_pfn)
 24.1034 -			last_pfn = max_low_pfn;
 24.1035 -
 24.1036 -		/*
 24.1037 -		 * .. finally, did all the rounding and playing
 24.1038 -		 * around just make the area go away?
 24.1039 -		 */
 24.1040 -		if (last_pfn <= curr_pfn)
 24.1041 -			continue;
 24.1042 -
 24.1043 -		size = last_pfn - curr_pfn;
 24.1044 -		free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(size));
 24.1045 -	}
 24.1046 -}
 24.1047 -
 24.1048 -/*
 24.1049 - * workaround for Dell systems that neglect to reserve EBDA
 24.1050 - */
 24.1051 -static void __init reserve_ebda_region(void)
 24.1052 -{
 24.1053 -	unsigned int addr;
 24.1054 -	addr = get_bios_ebda();
 24.1055 -	if (addr)
 24.1056 -		reserve_bootmem(addr, PAGE_SIZE);	
 24.1057 -}
 24.1058 -
 24.1059 -static unsigned long __init setup_memory(void)
 24.1060 -{
 24.1061 -	unsigned long bootmap_size, start_pfn, max_low_pfn;
 24.1062 -
 24.1063 -	/*
 24.1064 -	 * partially used pages are not usable - thus
 24.1065 -	 * we are rounding upwards:
 24.1066 -	 */
 24.1067 -	start_pfn = PFN_UP(__pa(xen_start_info.pt_base)) + xen_start_info.nr_pt_frames;
 24.1068 -
 24.1069 -	find_max_pfn();
 24.1070 -
 24.1071 -	max_low_pfn = find_max_low_pfn();
 24.1072 -
 24.1073 -#ifdef CONFIG_HIGHMEM
 24.1074 -	highstart_pfn = highend_pfn = max_pfn;
 24.1075 -	if (max_pfn > max_low_pfn) {
 24.1076 -		highstart_pfn = max_low_pfn;
 24.1077 -	}
 24.1078 -	printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
 24.1079 -		pages_to_mb(highend_pfn - highstart_pfn));
 24.1080 -#endif
 24.1081 -	printk(KERN_NOTICE "%ldMB LOWMEM available.\n",
 24.1082 -			pages_to_mb(max_low_pfn));
 24.1083 -	/*
 24.1084 -	 * Initialize the boot-time allocator (with low memory only):
 24.1085 -	 */
 24.1086 -	bootmap_size = init_bootmem(start_pfn, max_low_pfn);
 24.1087 -
 24.1088 -	register_bootmem_low_pages(max_low_pfn);
 24.1089 -
 24.1090 -	/*
 24.1091 -	 * Reserve the bootmem bitmap itself as well. We do this in two
 24.1092 -	 * steps (first step was init_bootmem()) because this catches
 24.1093 -	 * the (very unlikely) case of us accidentally initializing the
 24.1094 -	 * bootmem allocator with an invalid RAM area.
 24.1095 -	 */
 24.1096 -	reserve_bootmem(HIGH_MEMORY, (PFN_PHYS(start_pfn) +
 24.1097 -			 bootmap_size + PAGE_SIZE-1) - (HIGH_MEMORY));
 24.1098 -
 24.1099 -	/* reserve EBDA region, it's a 4K region */
 24.1100 -	reserve_ebda_region();
 24.1101 -
 24.1102 -    /* could be an AMD 768MPX chipset. Reserve a page  before VGA to prevent
 24.1103 -       PCI prefetch into it (errata #56). Usually the page is reserved anyways,
 24.1104 -       unless you have no PS/2 mouse plugged in. */
 24.1105 -	if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
 24.1106 -	    boot_cpu_data.x86 == 6)
 24.1107 -	     reserve_bootmem(0xa0000 - 4096, 4096);
 24.1108 -
 24.1109 -#ifdef CONFIG_SMP
 24.1110 -	/*
 24.1111 -	 * But first pinch a few for the stack/trampoline stuff
 24.1112 -	 * FIXME: Don't need the extra page at 4K, but need to fix
 24.1113 -	 * trampoline before removing it. (see the GDT stuff)
 24.1114 -	 */
 24.1115 -	reserve_bootmem(PAGE_SIZE, PAGE_SIZE);
 24.1116 -#endif
 24.1117 -#ifdef CONFIG_ACPI_SLEEP
 24.1118 -	/*
 24.1119 -	 * Reserve low memory region for sleep support.
 24.1120 -	 */
 24.1121 -	acpi_reserve_bootmem();
 24.1122 -#endif
 24.1123 -#ifdef CONFIG_X86_FIND_SMP_CONFIG
 24.1124 -	/*
 24.1125 -	 * Find and reserve possible boot-time SMP configuration:
 24.1126 -	 */
 24.1127 -	find_smp_config();
 24.1128 -#endif
 24.1129 -
 24.1130 -#ifdef CONFIG_BLK_DEV_INITRD
 24.1131 -	if (xen_start_info.mod_start) {
 24.1132 -		if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
 24.1133 -			/*reserve_bootmem(INITRD_START, INITRD_SIZE);*/
 24.1134 -			initrd_start = INITRD_START + PAGE_OFFSET;
 24.1135 -			initrd_end = initrd_start+INITRD_SIZE;
 24.1136 -			initrd_below_start_ok = 1;
 24.1137 -		}
 24.1138 -		else {
 24.1139 -			printk(KERN_ERR "initrd extends beyond end of memory "
 24.1140 -			    "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
 24.1141 -			    INITRD_START + INITRD_SIZE,
 24.1142 -			    max_low_pfn << PAGE_SHIFT);
 24.1143 -			initrd_start = 0;
 24.1144 -		}
 24.1145 -	}
 24.1146 -#endif
 24.1147 -
 24.1148 -	phys_to_machine_mapping = (unsigned int *)xen_start_info.mfn_list;
 24.1149 -
 24.1150 -	return max_low_pfn;
 24.1151 -}
 24.1152 -#else
 24.1153 -extern unsigned long setup_memory(void);
 24.1154 -#endif /* !CONFIG_DISCONTIGMEM */
 24.1155 -
 24.1156 -/*
 24.1157 - * Request address space for all standard RAM and ROM resources
 24.1158 - * and also for regions reported as reserved by the e820.
 24.1159 - */
 24.1160 -static void __init
 24.1161 -legacy_init_iomem_resources(struct resource *code_resource, struct resource *data_resource)
 24.1162 -{
 24.1163 -	int i;
 24.1164 -
 24.1165 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST
 24.1166 -	probe_roms();
 24.1167 -#endif
 24.1168 -	for (i = 0; i < e820.nr_map; i++) {
 24.1169 -		struct resource *res;
 24.1170 -		if (e820.map[i].addr + e820.map[i].size > 0x100000000ULL)
 24.1171 -			continue;
 24.1172 -		res = alloc_bootmem_low(sizeof(struct resource));
 24.1173 -		switch (e820.map[i].type) {
 24.1174 -		case E820_RAM:	res->name = "System RAM"; break;
 24.1175 -		case E820_ACPI:	res->name = "ACPI Tables"; break;
 24.1176 -		case E820_NVS:	res->name = "ACPI Non-volatile Storage"; break;
 24.1177 -		default:	res->name = "reserved";
 24.1178 -		}
 24.1179 -		res->start = e820.map[i].addr;
 24.1180 -		res->end = res->start + e820.map[i].size - 1;
 24.1181 -		res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
 24.1182 -		request_resource(&iomem_resource, res);
 24.1183 -		if (e820.map[i].type == E820_RAM) {
 24.1184 -			/*
 24.1185 -			 *  We don't know which RAM region contains kernel data,
 24.1186 -			 *  so we try it repeatedly and let the resource manager
 24.1187 -			 *  test it.
 24.1188 -			 */
 24.1189 -			request_resource(res, code_resource);
 24.1190 -			request_resource(res, data_resource);
 24.1191 -		}
 24.1192 -	}
 24.1193 -}
 24.1194 -
 24.1195 -/*
 24.1196 - * Request address space for all standard resources
 24.1197 - */
 24.1198 -static void __init register_memory(unsigned long max_low_pfn)
 24.1199 -{
 24.1200 -	unsigned long low_mem_size;
 24.1201 -	int	      i;
 24.1202 -
 24.1203 -	if (efi_enabled)
 24.1204 -		efi_initialize_iomem_resources(&code_resource, &data_resource);
 24.1205 -	else
 24.1206 -		legacy_init_iomem_resources(&code_resource, &data_resource);
 24.1207 -
 24.1208 -	/* EFI systems may still have VGA */
 24.1209 -	request_resource(&iomem_resource, &video_ram_resource);
 24.1210 -
 24.1211 -	/* request I/O space for devices used on all i[345]86 PCs */
 24.1212 -	for (i = 0; i < STANDARD_IO_RESOURCES; i++)
 24.1213 -		request_resource(&ioport_resource, &standard_io_resources[i]);
 24.1214 -
 24.1215 -	/* Tell the PCI layer not to allocate too close to the RAM area.. */
 24.1216 -	low_mem_size = ((max_low_pfn << PAGE_SHIFT) + 0xfffff) & ~0xfffff;
 24.1217 -	if (low_mem_size > pci_mem_start)
 24.1218 -		pci_mem_start = low_mem_size;
 24.1219 -}
 24.1220 -
 24.1221 -/* Use inline assembly to define this because the nops are defined 
 24.1222 -   as inline assembly strings in the include files and we cannot 
 24.1223 -   get them easily into strings. */
 24.1224 -asm("\t.data\nintelnops: " 
 24.1225 -    GENERIC_NOP1 GENERIC_NOP2 GENERIC_NOP3 GENERIC_NOP4 GENERIC_NOP5 GENERIC_NOP6
 24.1226 -    GENERIC_NOP7 GENERIC_NOP8); 
 24.1227 -asm("\t.data\nk8nops: " 
 24.1228 -    K8_NOP1 K8_NOP2 K8_NOP3 K8_NOP4 K8_NOP5 K8_NOP6
 24.1229 -    K8_NOP7 K8_NOP8); 
 24.1230 -asm("\t.data\nk7nops: " 
 24.1231 -    K7_NOP1 K7_NOP2 K7_NOP3 K7_NOP4 K7_NOP5 K7_NOP6
 24.1232 -    K7_NOP7 K7_NOP8); 
 24.1233 -    
 24.1234 -extern unsigned char intelnops[], k8nops[], k7nops[];
 24.1235 -static unsigned char *intel_nops[ASM_NOP_MAX+1] = { 
 24.1236 -     NULL,
 24.1237 -     intelnops,
 24.1238 -     intelnops + 1,
 24.1239 -     intelnops + 1 + 2,
 24.1240 -     intelnops + 1 + 2 + 3,
 24.1241 -     intelnops + 1 + 2 + 3 + 4,
 24.1242 -     intelnops + 1 + 2 + 3 + 4 + 5,
 24.1243 -     intelnops + 1 + 2 + 3 + 4 + 5 + 6,
 24.1244 -     intelnops + 1 + 2 + 3 + 4 + 5 + 6 + 7,
 24.1245 -}; 
 24.1246 -static unsigned char *k8_nops[ASM_NOP_MAX+1] = { 
 24.1247 -     NULL,
 24.1248 -     k8nops,
 24.1249 -     k8nops + 1,
 24.1250 -     k8nops + 1 + 2,
 24.1251 -     k8nops + 1 + 2 + 3,
 24.1252 -     k8nops + 1 + 2 + 3 + 4,
 24.1253 -     k8nops + 1 + 2 + 3 + 4 + 5,
 24.1254 -     k8nops + 1 + 2 + 3 + 4 + 5 + 6,
 24.1255 -     k8nops + 1 + 2 + 3 + 4 + 5 + 6 + 7,
 24.1256 -}; 
 24.1257 -static unsigned char *k7_nops[ASM_NOP_MAX+1] = { 
 24.1258 -     NULL,
 24.1259 -     k7nops,
 24.1260 -     k7nops + 1,
 24.1261 -     k7nops + 1 + 2,
 24.1262 -     k7nops + 1 + 2 + 3,
 24.1263 -     k7nops + 1 + 2 + 3 + 4,
 24.1264 -     k7nops + 1 + 2 + 3 + 4 + 5,
 24.1265 -     k7nops + 1 + 2 + 3 + 4 + 5 + 6,
 24.1266 -     k7nops + 1 + 2 + 3 + 4 + 5 + 6 + 7,
 24.1267 -}; 
 24.1268 -static struct nop { 
 24.1269 -     int cpuid; 
 24.1270 -     unsigned char **noptable; 
 24.1271 -} noptypes[] = { 
 24.1272 -     { X86_FEATURE_K8, k8_nops }, 
 24.1273 -     { X86_FEATURE_K7, k7_nops }, 
 24.1274 -     { -1, NULL }
 24.1275 -}; 
 24.1276 -
 24.1277 -/* Replace instructions with better alternatives for this CPU type.
 24.1278 -
 24.1279 -   This runs before SMP is initialized to avoid SMP problems with
 24.1280 -   self modifying code. This implies that assymetric systems where
 24.1281 -   APs have less capabilities than the boot processor are not handled. 
 24.1282 -   In this case boot with "noreplacement". */ 
 24.1283 -void apply_alternatives(void *start, void *end) 
 24.1284 -{ 
 24.1285 -	struct alt_instr *a; 
 24.1286 -	int diff, i, k;
 24.1287 -        unsigned char **noptable = intel_nops; 
 24.1288 -	for (i = 0; noptypes[i].cpuid >= 0; i++) { 
 24.1289 -		if (boot_cpu_has(noptypes[i].cpuid)) { 
 24.1290 -			noptable = noptypes[i].noptable;
 24.1291 -			break;
 24.1292 -		}
 24.1293 -	} 
 24.1294 -	for (a = start; (void *)a < end; a++) { 
 24.1295 -		if (!boot_cpu_has(a->cpuid))
 24.1296 -			continue;
 24.1297 -		BUG_ON(a->replacementlen > a->instrlen); 
 24.1298 -		memcpy(a->instr, a->replacement, a->replacementlen); 
 24.1299 -		diff = a->instrlen - a->replacementlen; 
 24.1300 -		/* Pad the rest with nops */
 24.1301 -		for (i = a->replacementlen; diff > 0; diff -= k, i += k) {
 24.1302 -			k = diff;
 24.1303 -			if (k > ASM_NOP_MAX)
 24.1304 -				k = ASM_NOP_MAX;
 24.1305 -			memcpy(a->instr + i, noptable[k], k); 
 24.1306 -		} 
 24.1307 -	}
 24.1308 -} 
 24.1309 -
 24.1310 -static int no_replacement __initdata = 0; 
 24.1311 - 
 24.1312 -void __init alternative_instructions(void)
 24.1313 -{
 24.1314 -	extern struct alt_instr __alt_instructions[], __alt_instructions_end[];
 24.1315 -	if (no_replacement) 
 24.1316 -		return;
 24.1317 -	apply_alternatives(__alt_instructions, __alt_instructions_end);
 24.1318 -}
 24.1319 -
 24.1320 -static int __init noreplacement_setup(char *s)
 24.1321 -{ 
 24.1322 -     no_replacement = 1; 
 24.1323 -     return 0; 
 24.1324 -} 
 24.1325 -
 24.1326 -__setup("noreplacement", noreplacement_setup); 
 24.1327 -
 24.1328 -static char * __init machine_specific_memory_setup(void);
 24.1329 -
 24.1330 -/*
 24.1331 - * Determine if we were loaded by an EFI loader.  If so, then we have also been
 24.1332 - * passed the efi memmap, systab, etc., so we should use these data structures
 24.1333 - * for initialization.  Note, the efi init code path is determined by the
 24.1334 - * global efi_enabled. This allows the same kernel image to be used on existing
 24.1335 - * systems (with a traditional BIOS) as well as on EFI systems.
 24.1336 - */
 24.1337 -void __init setup_arch(char **cmdline_p)
 24.1338 -{
 24.1339 -        int i,j;
 24.1340 -
 24.1341 -        unsigned long max_low_pfn;
 24.1342 -
 24.1343 -	/* Force a quick death if the kernel panics. */
 24.1344 -	extern int panic_timeout;
 24.1345 -	if ( panic_timeout == 0 )
 24.1346 -		panic_timeout = 1;
 24.1347 -
 24.1348 -	HYPERVISOR_vm_assist(VMASST_CMD_enable,
 24.1349 -			     VMASST_TYPE_4gb_segments);
 24.1350 -
 24.1351 -	memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
 24.1352 -	early_cpu_init();
 24.1353 -
 24.1354 -	/*
 24.1355 -	 * FIXME: This isn't an official loader_type right
 24.1356 -	 * now but does currently work with elilo.
 24.1357 -	 * If we were configured as an EFI kernel, check to make
 24.1358 -	 * sure that we were loaded correctly from elilo and that
 24.1359 -	 * the system table is valid.  If not, then initialize normally.
 24.1360 -	 */
 24.1361 -#ifdef CONFIG_EFI
 24.1362 -	if ((LOADER_TYPE == 0x50) && EFI_SYSTAB)
 24.1363 -		efi_enabled = 1;
 24.1364 -#endif
 24.1365 -
 24.1366 -	/* This must be initialized to UNNAMED_MAJOR for ipconfig to work
 24.1367 -	   properly.  Setting ROOT_DEV to default to /dev/ram0 breaks initrd.
 24.1368 -	*/
 24.1369 -	ROOT_DEV = MKDEV(UNNAMED_MAJOR,0);
 24.1370 - 	drive_info = DRIVE_INFO;
 24.1371 - 	screen_info = SCREEN_INFO;
 24.1372 -	edid_info = EDID_INFO;
 24.1373 -	apm_info.bios = APM_BIOS_INFO;
 24.1374 -	ist_info = IST_INFO;
 24.1375 -	saved_videomode = VIDEO_MODE;
 24.1376 -	if( SYS_DESC_TABLE.length != 0 ) {
 24.1377 -		MCA_bus = SYS_DESC_TABLE.table[3] &0x2;
 24.1378 -		machine_id = SYS_DESC_TABLE.table[0];
 24.1379 -		machine_submodel_id = SYS_DESC_TABLE.table[1];
 24.1380 -		BIOS_revision = SYS_DESC_TABLE.table[2];
 24.1381 -	}
 24.1382 -	aux_device_present = AUX_DEVICE_INFO;
 24.1383 -
 24.1384 -#ifdef CONFIG_XEN_PHYSDEV_ACCESS
 24.1385 -	/* This is drawn from a dump from vgacon:startup in standard Linux. */
 24.1386 -	screen_info.orig_video_mode = 3; 
 24.1387 -	screen_info.orig_video_isVGA = 1;
 24.1388 -	screen_info.orig_video_lines = 25;
 24.1389 -	screen_info.orig_video_cols = 80;
 24.1390 -	screen_info.orig_video_ega_bx = 3;
 24.1391 -	screen_info.orig_video_points = 16;
 24.1392 -#endif
 24.1393 -
 24.1394 -#ifdef CONFIG_BLK_DEV_RAM
 24.1395 -	rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK;
 24.1396 -	rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0);
 24.1397 -	rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0);
 24.1398 -#endif
 24.1399 -	ARCH_SETUP
 24.1400 -	if (efi_enabled)
 24.1401 -		efi_init();
 24.1402 -	else {
 24.1403 -		printk(KERN_INFO "BIOS-provided physical RAM map:\n");
 24.1404 -		print_memory_map(machine_specific_memory_setup());
 24.1405 -	}
 24.1406 -
 24.1407 -	copy_edd();
 24.1408 -
 24.1409 -	if (!MOUNT_ROOT_RDONLY)
 24.1410 -		root_mountflags &= ~MS_RDONLY;
 24.1411 -	init_mm.start_code = (unsigned long) _text;
 24.1412 -	init_mm.end_code = (unsigned long) _etext;
 24.1413 -	init_mm.end_data = (unsigned long) _edata;
 24.1414 -	init_mm.brk = (PFN_UP(__pa(xen_start_info.pt_base)) + xen_start_info.nr_pt_frames) << PAGE_SHIFT;
 24.1415 -
 24.1416 -	/* XEN: This is nonsense: kernel may not even be contiguous in RAM. */
 24.1417 -	/*code_resource.start = virt_to_phys(_text);*/
 24.1418 -	/*code_resource.end = virt_to_phys(_etext)-1;*/
 24.1419 -	/*data_resource.start = virt_to_phys(_etext);*/
 24.1420 -	/*data_resource.end = virt_to_phys(_edata)-1;*/
 24.1421 -
 24.1422 -	parse_cmdline_early(cmdline_p);
 24.1423 -
 24.1424 -	max_low_pfn = setup_memory();
 24.1425 -
 24.1426 -	/*
 24.1427 -	 * NOTE: before this point _nobody_ is allowed to allocate
 24.1428 -	 * any memory using the bootmem allocator.  Although the
 24.1429 -	 * alloctor is now initialised only the first 8Mb of the kernel
 24.1430 -	 * virtual address space has been mapped.  All allocations before
 24.1431 -	 * paging_init() has completed must use the alloc_bootmem_low_pages()
 24.1432 -	 * variant (which allocates DMA'able memory) and care must be taken
 24.1433 -	 * not to exceed the 8Mb limit.
 24.1434 -	 */
 24.1435 -
 24.1436 -#ifdef CONFIG_SMP
 24.1437 -	smp_alloc_memory(); /* AP processor realmode stacks in low memory*/
 24.1438 -#endif
 24.1439 -	paging_init();
 24.1440 -
 24.1441 -	/* Make sure we have a large enough P->M table. */
 24.1442 -	if (max_pfn > xen_start_info.nr_pages) {
 24.1443 -		phys_to_machine_mapping = alloc_bootmem_low_pages(
 24.1444 -			max_pfn * sizeof(unsigned long));
 24.1445 -		memset(phys_to_machine_mapping, ~0,
 24.1446 -			max_pfn * sizeof(unsigned long));
 24.1447 -		memcpy(phys_to_machine_mapping,
 24.1448 -			(unsigned long *)xen_start_info.mfn_list,
 24.1449 -			xen_start_info.nr_pages * sizeof(unsigned long));
 24.1450 -		free_bootmem(
 24.1451 -			__pa(xen_start_info.mfn_list), 
 24.1452 -			PFN_PHYS(PFN_UP(xen_start_info.nr_pages *
 24.1453 -			sizeof(unsigned long))));
 24.1454 -	}
 24.1455 -
 24.1456 -	pfn_to_mfn_frame_list = alloc_bootmem_low_pages(PAGE_SIZE);
 24.1457 -	for ( i=0, j=0; i < max_pfn; i+=(PAGE_SIZE/sizeof(unsigned long)), j++ )
 24.1458 -	{	
 24.1459 -	     pfn_to_mfn_frame_list[j] = 
 24.1460 -		  virt_to_machine(&phys_to_machine_mapping[i]) >> PAGE_SHIFT;
 24.1461 -	}
 24.1462 -	HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list =
 24.1463 -	     virt_to_machine(pfn_to_mfn_frame_list) >> PAGE_SHIFT;
 24.1464 -
 24.1465 -
 24.1466 -	/*
 24.1467 -	 * NOTE: at this point the bootmem allocator is fully available.
 24.1468 -	 */
 24.1469 -
 24.1470 -#ifdef CONFIG_EARLY_PRINTK
 24.1471 -	{
 24.1472 -		char *s = strstr(*cmdline_p, "earlyprintk=");
 24.1473 -		if (s) {
 24.1474 -			extern void setup_early_printk(char *);
 24.1475 -
 24.1476 -			setup_early_printk(s);
 24.1477 -			printk("early console enabled\n");
 24.1478 -		}
 24.1479 -	}
 24.1480 -#endif
 24.1481 -
 24.1482 -
 24.1483 -	dmi_scan_machine();
 24.1484 -
 24.1485 -#ifdef CONFIG_X86_GENERICARCH
 24.1486 -	generic_apic_probe(*cmdline_p);
 24.1487 -#endif	
 24.1488 -	if (efi_enabled)
 24.1489 -		efi_map_memmap();
 24.1490 -
 24.1491 -	/*
 24.1492 -	 * Parse the ACPI tables for possible boot-time SMP configuration.
 24.1493 -	 */
 24.1494 -	acpi_boot_init();
 24.1495 -
 24.1496 -#ifdef CONFIG_X86_LOCAL_APIC
 24.1497 -	if (smp_found_config)
 24.1498 -		get_smp_config();
 24.1499 -#endif
 24.1500 -
 24.1501 -	/* XXX Disable irqdebug until we have a way to avoid interrupt
 24.1502 -	 * conflicts. */
 24.1503 -	noirqdebug_setup("");
 24.1504 -
 24.1505 -	register_memory(max_low_pfn);
 24.1506 -
 24.1507 -	/* If we are a privileged guest OS then we should request IO privs. */
 24.1508 -	if (xen_start_info.flags & SIF_PRIVILEGED) {
 24.1509 -		dom0_op_t op;
 24.1510 -		op.cmd           = DOM0_IOPL;
 24.1511 -		op.u.iopl.domain = DOMID_SELF;
 24.1512 -		op.u.iopl.iopl   = 1;
 24.1513 -		if (HYPERVISOR_dom0_op(&op) != 0)
 24.1514 -			panic("Unable to obtain IOPL, despite SIF_PRIVILEGED");
 24.1515 -		current->thread.io_pl = 1;
 24.1516 -	}
 24.1517 -
 24.1518 -	if (xen_start_info.flags & SIF_INITDOMAIN) {
 24.1519 -		if (!(xen_start_info.flags & SIF_PRIVILEGED))
 24.1520 -			panic("Xen granted us console access "
 24.1521 -			      "but not privileged status");
 24.1522 -
 24.1523 -#ifdef CONFIG_VT
 24.1524 -#if defined(CONFIG_VGA_CONSOLE)
 24.1525 -		if (!efi_enabled ||
 24.1526 -		    (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
 24.1527 -			conswitchp = &vga_con;
 24.1528 -#elif defined(CONFIG_DUMMY_CONSOLE)
 24.1529 -		conswitchp = &dummy_con;
 24.1530 -#endif
 24.1531 -#endif
 24.1532 -	} else {
 24.1533 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST
 24.1534 -		extern const struct consw xennull_con;
 24.1535 -		extern int console_use_vt;
 24.1536 -#if defined(CONFIG_VGA_CONSOLE)
 24.1537 -		/* disable VGA driver */
 24.1538 -		ORIG_VIDEO_ISVGA = VIDEO_TYPE_VLFB;
 24.1539 -#endif
 24.1540 -		conswitchp = &xennull_con;
 24.1541 -		console_use_vt = 0;
 24.1542 -#endif
 24.1543 -	}
 24.1544 -}
 24.1545 -
 24.1546 -#include "setup_arch_post.h"
 24.1547 -/*
 24.1548 - * Local Variables:
 24.1549 - * mode:c
 24.1550 - * c-file-style:"k&r"
 24.1551 - * c-basic-offset:8
 24.1552 - * End:
 24.1553 - */
    25.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/signal.c	Sat Mar 12 14:48:18 2005 +0000
    25.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    25.3 @@ -1,664 +0,0 @@
    25.4 -/*
    25.5 - *  linux/arch/i386/kernel/signal.c
    25.6 - *
    25.7 - *  Copyright (C) 1991, 1992  Linus Torvalds
    25.8 - *
    25.9 - *  1997-11-28  Modified for POSIX.1b signals by Richard Henderson
   25.10 - *  2000-06-20  Pentium III FXSR, SSE support by Gareth Hughes
   25.11 - */
   25.12 -
   25.13 -#include <linux/sched.h>
   25.14 -#include <linux/mm.h>
   25.15 -#include <linux/smp.h>
   25.16 -#include <linux/smp_lock.h>
   25.17 -#include <linux/kernel.h>
   25.18 -#include <linux/signal.h>
   25.19 -#include <linux/errno.h>
   25.20 -#include <linux/wait.h>
   25.21 -#include <linux/unistd.h>
   25.22 -#include <linux/stddef.h>
   25.23 -#include <linux/personality.h>
   25.24 -#include <linux/suspend.h>
   25.25 -#include <linux/ptrace.h>
   25.26 -#include <linux/elf.h>
   25.27 -#include <asm/processor.h>
   25.28 -#include <asm/ucontext.h>
   25.29 -#include <asm/uaccess.h>
   25.30 -#include <asm/i387.h>
   25.31 -#include "sigframe.h"
   25.32 -
   25.33 -#define DEBUG_SIG 0
   25.34 -
   25.35 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
   25.36 -
   25.37 -/*
   25.38 - * Atomically swap in the new signal mask, and wait for a signal.
   25.39 - */
   25.40 -asmlinkage int
   25.41 -sys_sigsuspend(int history0, int history1, old_sigset_t mask)
   25.42 -{
   25.43 -	struct pt_regs * regs = (struct pt_regs *) &history0;
   25.44 -	sigset_t saveset;
   25.45 -
   25.46 -	mask &= _BLOCKABLE;
   25.47 -	spin_lock_irq(&current->sighand->siglock);
   25.48 -	saveset = current->blocked;
   25.49 -	siginitset(&current->blocked, mask);
   25.50 -	recalc_sigpending();
   25.51 -	spin_unlock_irq(&current->sighand->siglock);
   25.52 -
   25.53 -	regs->eax = -EINTR;
   25.54 -	while (1) {
   25.55 -		current->state = TASK_INTERRUPTIBLE;
   25.56 -		schedule();
   25.57 -		if (do_signal(regs, &saveset))
   25.58 -			return -EINTR;
   25.59 -	}
   25.60 -}
   25.61 -
   25.62 -asmlinkage int
   25.63 -sys_rt_sigsuspend(struct pt_regs regs)
   25.64 -{
   25.65 -	sigset_t saveset, newset;
   25.66 -
   25.67 -	/* XXX: Don't preclude handling different sized sigset_t's.  */
   25.68 -	if (regs.ecx != sizeof(sigset_t))
   25.69 -		return -EINVAL;
   25.70 -
   25.71 -	if (copy_from_user(&newset, (sigset_t __user *)regs.ebx, sizeof(newset)))
   25.72 -		return -EFAULT;
   25.73 -	sigdelsetmask(&newset, ~_BLOCKABLE);
   25.74 -
   25.75 -	spin_lock_irq(&current->sighand->siglock);
   25.76 -	saveset = current->blocked;
   25.77 -	current->blocked = newset;
   25.78 -	recalc_sigpending();
   25.79 -	spin_unlock_irq(&current->sighand->siglock);
   25.80 -
   25.81 -	regs.eax = -EINTR;
   25.82 -	while (1) {
   25.83 -		current->state = TASK_INTERRUPTIBLE;
   25.84 -		schedule();
   25.85 -		if (do_signal(&regs, &saveset))
   25.86 -			return -EINTR;
   25.87 -	}
   25.88 -}
   25.89 -
   25.90 -asmlinkage int 
   25.91 -sys_sigaction(int sig, const struct old_sigaction __user *act,
   25.92 -	      struct old_sigaction __user *oact)
   25.93 -{
   25.94 -	struct k_sigaction new_ka, old_ka;
   25.95 -	int ret;
   25.96 -
   25.97 -	if (act) {
   25.98 -		old_sigset_t mask;
   25.99 -		if (verify_area(VERIFY_READ, act, sizeof(*act)) ||
  25.100 -		    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
  25.101 -		    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
  25.102 -			return -EFAULT;
  25.103 -		__get_user(new_ka.sa.sa_flags, &act->sa_flags);
  25.104 -		__get_user(mask, &act->sa_mask);
  25.105 -		siginitset(&new_ka.sa.sa_mask, mask);
  25.106 -	}
  25.107 -
  25.108 -	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
  25.109 -
  25.110 -	if (!ret && oact) {
  25.111 -		if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) ||
  25.112 -		    __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
  25.113 -		    __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
  25.114 -			return -EFAULT;
  25.115 -		__put_user(old_ka.sa.sa_flags, &oact->sa_flags);
  25.116 -		__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
  25.117 -	}
  25.118 -
  25.119 -	return ret;
  25.120 -}
  25.121 -
  25.122 -asmlinkage int
  25.123 -sys_sigaltstack(unsigned long ebx)
  25.124 -{
  25.125 -	/* This is needed to make gcc realize it doesn't own the "struct pt_regs" */
  25.126 -	struct pt_regs *regs = (struct pt_regs *)&ebx;
  25.127 -	const stack_t __user *uss = (const stack_t __user *)ebx;
  25.128 -	stack_t __user *uoss = (stack_t __user *)regs->ecx;
  25.129 -
  25.130 -	return do_sigaltstack(uss, uoss, regs->esp);
  25.131 -}
  25.132 -
  25.133 -
  25.134 -/*
  25.135 - * Do a signal return; undo the signal stack.
  25.136 - */
  25.137 -
  25.138 -static int
  25.139 -restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *peax)
  25.140 -{
  25.141 -	unsigned int err = 0;
  25.142 -
  25.143 -	/* Always make any pending restarted system calls return -EINTR */
  25.144 -	current_thread_info()->restart_block.fn = do_no_restart_syscall;
  25.145 -
  25.146 -#define COPY(x)		err |= __get_user(regs->x, &sc->x)
  25.147 -
  25.148 -#define COPY_SEG(seg)							\
  25.149 -	{ unsigned short tmp;						\
  25.150 -	  err |= __get_user(tmp, &sc->seg);				\
  25.151 -	  regs->x##seg = tmp; }
  25.152 -
  25.153 -#define COPY_SEG_STRICT(seg)						\
  25.154 -	{ unsigned short tmp;						\
  25.155 -	  err |= __get_user(tmp, &sc->seg);				\
  25.156 -	  regs->x##seg = tmp|3; }
  25.157 -
  25.158 -#define GET_SEG(seg)							\
  25.159 -	{ unsigned short tmp;						\
  25.160 -	  err |= __get_user(tmp, &sc->seg);				\
  25.161 -	  loadsegment(seg,tmp); }
  25.162 -
  25.163 -#define	FIX_EFLAGS	(X86_EFLAGS_AC | X86_EFLAGS_OF | X86_EFLAGS_DF | \
  25.164 -			 X86_EFLAGS_TF | X86_EFLAGS_SF | X86_EFLAGS_ZF | \
  25.165 -			 X86_EFLAGS_AF | X86_EFLAGS_PF | X86_EFLAGS_CF)
  25.166 -
  25.167 -	GET_SEG(gs);
  25.168 -	GET_SEG(fs);
  25.169 -	COPY_SEG(es);
  25.170 -	COPY_SEG(ds);
  25.171 -	COPY(edi);
  25.172 -	COPY(esi);
  25.173 -	COPY(ebp);
  25.174 -	COPY(esp);
  25.175 -	COPY(ebx);
  25.176 -	COPY(edx);
  25.177 -	COPY(ecx);
  25.178 -	COPY(eip);
  25.179 -	COPY_SEG_STRICT(cs);
  25.180 -	COPY_SEG_STRICT(ss);
  25.181 -	
  25.182 -	{
  25.183 -		unsigned int tmpflags;
  25.184 -		err |= __get_user(tmpflags, &sc->eflags);
  25.185 -		regs->eflags = (regs->eflags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS);
  25.186 -		regs->orig_eax = -1;		/* disable syscall checks */
  25.187 -	}
  25.188 -
  25.189 -	{
  25.190 -		struct _fpstate __user * buf;
  25.191 -		err |= __get_user(buf, &sc->fpstate);
  25.192 -		if (buf) {
  25.193 -			if (verify_area(VERIFY_READ, buf, sizeof(*buf)))
  25.194 -				goto badframe;
  25.195 -			err |= restore_i387(buf);
  25.196 -		}
  25.197 -	}
  25.198 -
  25.199 -	err |= __get_user(*peax, &sc->eax);
  25.200 -	return err;
  25.201 -
  25.202 -badframe:
  25.203 -	return 1;
  25.204 -}
  25.205 -
  25.206 -asmlinkage int sys_sigreturn(unsigned long __unused)
  25.207 -{
  25.208 -	struct pt_regs *regs = (struct pt_regs *) &__unused;
  25.209 -	struct sigframe __user *frame = (struct sigframe __user *)(regs->esp - 8);
  25.210 -	sigset_t set;
  25.211 -	int eax;
  25.212 -
  25.213 -	if (verify_area(VERIFY_READ, frame, sizeof(*frame)))
  25.214 -		goto badframe;
  25.215 -	if (__get_user(set.sig[0], &frame->sc.oldmask)
  25.216 -	    || (_NSIG_WORDS > 1
  25.217 -		&& __copy_from_user(&set.sig[1], &frame->extramask,
  25.218 -				    sizeof(frame->extramask))))
  25.219 -		goto badframe;
  25.220 -
  25.221 -	sigdelsetmask(&set, ~_BLOCKABLE);
  25.222 -	spin_lock_irq(&current->sighand->siglock);
  25.223 -	current->blocked = set;
  25.224 -	recalc_sigpending();
  25.225 -	spin_unlock_irq(&current->sighand->siglock);
  25.226 -	
  25.227 -	if (restore_sigcontext(regs, &frame->sc, &eax))
  25.228 -		goto badframe;
  25.229 -	return eax;
  25.230 -
  25.231 -badframe:
  25.232 -	force_sig(SIGSEGV, current);
  25.233 -	return 0;
  25.234 -}	
  25.235 -
  25.236 -asmlinkage int sys_rt_sigreturn(unsigned long __unused)
  25.237 -{
  25.238 -	struct pt_regs *regs = (struct pt_regs *) &__unused;
  25.239 -	struct rt_sigframe __user *frame = (struct rt_sigframe __user *)(regs->esp - 4);
  25.240 -	sigset_t set;
  25.241 -	int eax;
  25.242 -
  25.243 -	if (verify_area(VERIFY_READ, frame, sizeof(*frame)))
  25.244 -		goto badframe;
  25.245 -	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
  25.246 -		goto badframe;
  25.247 -
  25.248 -	sigdelsetmask(&set, ~_BLOCKABLE);
  25.249 -	spin_lock_irq(&current->sighand->siglock);
  25.250 -	current->blocked = set;
  25.251 -	recalc_sigpending();
  25.252 -	spin_unlock_irq(&current->sighand->siglock);
  25.253 -	
  25.254 -	if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &eax))
  25.255 -		goto badframe;
  25.256 -
  25.257 -	if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->esp) == -EFAULT)
  25.258 -		goto badframe;
  25.259 -
  25.260 -	return eax;
  25.261 -
  25.262 -badframe:
  25.263 -	force_sig(SIGSEGV, current);
  25.264 -	return 0;
  25.265 -}	
  25.266 -
  25.267 -/*
  25.268 - * Set up a signal frame.
  25.269 - */
  25.270 -
  25.271 -static int
  25.272 -setup_sigcontext(struct sigcontext __user *sc, struct _fpstate __user *fpstate,
  25.273 -		 struct pt_regs *regs, unsigned long mask)
  25.274 -{
  25.275 -	int tmp, err = 0;
  25.276 -	unsigned long eflags;
  25.277 -
  25.278 -	tmp = 0;
  25.279 -	__asm__("movl %%gs,%0" : "=r"(tmp): "0"(tmp));
  25.280 -	err |= __put_user(tmp, (unsigned int __user *)&sc->gs);
  25.281 -	__asm__("movl %%fs,%0" : "=r"(tmp): "0"(tmp));
  25.282 -	err |= __put_user(tmp, (unsigned int __user *)&sc->fs);
  25.283 -
  25.284 -	err |= __put_user(regs->xes, (unsigned int __user *)&sc->es);
  25.285 -	err |= __put_user(regs->xds, (unsigned int __user *)&sc->ds);
  25.286 -	err |= __put_user(regs->edi, &sc->edi);
  25.287 -	err |= __put_user(regs->esi, &sc->esi);
  25.288 -	err |= __put_user(regs->ebp, &sc->ebp);
  25.289 -	err |= __put_user(regs->esp, &sc->esp);
  25.290 -	err |= __put_user(regs->ebx, &sc->ebx);
  25.291 -	err |= __put_user(regs->edx, &sc->edx);
  25.292 -	err |= __put_user(regs->ecx, &sc->ecx);
  25.293 -	err |= __put_user(regs->eax, &sc->eax);
  25.294 -	err |= __put_user(current->thread.trap_no, &sc->trapno);
  25.295 -	err |= __put_user(current->thread.error_code, &sc->err);
  25.296 -	err |= __put_user(regs->eip, &sc->eip);
  25.297 -	err |= __put_user(regs->xcs, (unsigned int __user *)&sc->cs);
  25.298 -
  25.299 -	/*
  25.300 -	 * Iff TF was set because the program is being single-stepped by a
  25.301 -	 * debugger, don't save that information on the signal stack.. We
  25.302 -	 * don't want debugging to change state.
  25.303 -	 */
  25.304 -	eflags = regs->eflags;
  25.305 -	if (current->ptrace & PT_DTRACE)
  25.306 -		eflags &= ~TF_MASK;
  25.307 -	err |= __put_user(eflags, &sc->eflags);
  25.308 -	err |= __put_user(regs->esp, &sc->esp_at_signal);
  25.309 -	err |= __put_user(regs->xss, (unsigned int __user *)&sc->ss);
  25.310 -
  25.311 -	tmp = save_i387(fpstate);
  25.312 -	if (tmp < 0)
  25.313 -	  err = 1;
  25.314 -	else
  25.315 -	  err |= __put_user(tmp ? fpstate : NULL, &sc->fpstate);
  25.316 -
  25.317 -	/* non-iBCS2 extensions.. */
  25.318 -	err |= __put_user(mask, &sc->oldmask);
  25.319 -	err |= __put_user(current->thread.cr2, &sc->cr2);
  25.320 -
  25.321 -	return err;
  25.322 -}
  25.323 -
  25.324 -/*
  25.325 - * Determine which stack to use..
  25.326 - */
  25.327 -static inline void __user *
  25.328 -get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
  25.329 -{
  25.330 -	unsigned long esp;
  25.331 -
  25.332 -	/* Default to using normal stack */
  25.333 -	esp = regs->esp;
  25.334 -
  25.335 -	/* This is the X/Open sanctioned signal stack switching.  */
  25.336 -	if (ka->sa.sa_flags & SA_ONSTACK) {
  25.337 -		if (sas_ss_flags(esp) == 0)
  25.338 -			esp = current->sas_ss_sp + current->sas_ss_size;
  25.339 -	}
  25.340 -
  25.341 -	/* This is the legacy signal stack switching. */
  25.342 -	else if ((regs->xss & 0xffff) != __USER_DS &&
  25.343 -		 !(ka->sa.sa_flags & SA_RESTORER) &&
  25.344 -		 ka->sa.sa_restorer) {
  25.345 -		esp = (unsigned long) ka->sa.sa_restorer;
  25.346 -	}
  25.347 -
  25.348 -	return (void __user *)((esp - frame_size) & -8ul);
  25.349 -}
  25.350 -
  25.351 -/* These symbols are defined with the addresses in the vsyscall page.
  25.352 -   See vsyscall-sigreturn.S.  */
  25.353 -extern void __user __kernel_sigreturn;
  25.354 -extern void __user __kernel_rt_sigreturn;
  25.355 -
  25.356 -static void setup_frame(int sig, struct k_sigaction *ka,
  25.357 -			sigset_t *set, struct pt_regs * regs)
  25.358 -{
  25.359 -	void __user *restorer;
  25.360 -	struct sigframe __user *frame;
  25.361 -	int err = 0;
  25.362 -	int usig;
  25.363 -
  25.364 -	frame = get_sigframe(ka, regs, sizeof(*frame));
  25.365 -
  25.366 -	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
  25.367 -		goto give_sigsegv;
  25.368 -
  25.369 -	usig = current_thread_info()->exec_domain
  25.370 -		&& current_thread_info()->exec_domain->signal_invmap
  25.371 -		&& sig < 32
  25.372 -		? current_thread_info()->exec_domain->signal_invmap[sig]
  25.373 -		: sig;
  25.374 -
  25.375 -	err |= __put_user(usig, &frame->sig);
  25.376 -	if (err)
  25.377 -		goto give_sigsegv;
  25.378 -
  25.379 -	err |= setup_sigcontext(&frame->sc, &frame->fpstate, regs, set->sig[0]);
  25.380 -	if (err)
  25.381 -		goto give_sigsegv;
  25.382 -
  25.383 -	if (_NSIG_WORDS > 1) {
  25.384 -		err |= __copy_to_user(&frame->extramask, &set->sig[1],
  25.385 -				      sizeof(frame->extramask));
  25.386 -	}
  25.387 -	if (err)
  25.388 -		goto give_sigsegv;
  25.389 -
  25.390 -	restorer = &__kernel_sigreturn;
  25.391 -	if (ka->sa.sa_flags & SA_RESTORER)
  25.392 -		restorer = ka->sa.sa_restorer;
  25.393 -
  25.394 -	/* Set up to return from userspace.  */
  25.395 -	err |= __put_user(restorer, &frame->pretcode);
  25.396 -	 
  25.397 -	/*
  25.398 -	 * This is popl %eax ; movl $,%eax ; int $0x80
  25.399 -	 *
  25.400 -	 * WE DO NOT USE IT ANY MORE! It's only left here for historical
  25.401 -	 * reasons and because gdb uses it as a signature to notice
  25.402 -	 * signal handler stack frames.
  25.403 -	 */
  25.404 -	err |= __put_user(0xb858, (short __user *)(frame->retcode+0));
  25.405 -	err |= __put_user(__NR_sigreturn, (int __user *)(frame->retcode+2));
  25.406 -	err |= __put_user(0x80cd, (short __user *)(frame->retcode+6));
  25.407 -
  25.408 -	if (err)
  25.409 -		goto give_sigsegv;
  25.410 -
  25.411 -	/* Set up registers for signal handler */
  25.412 -	regs->esp = (unsigned long) frame;
  25.413 -	regs->eip = (unsigned long) ka->sa.sa_handler;
  25.414 -	regs->eax = (unsigned long) sig;
  25.415 -	regs->edx = (unsigned long) 0;
  25.416 -	regs->ecx = (unsigned long) 0;
  25.417 -
  25.418 -	set_fs(USER_DS);
  25.419 -	regs->xds = __USER_DS;
  25.420 -	regs->xes = __USER_DS;
  25.421 -	regs->xss = __USER_DS;
  25.422 -	regs->xcs = __USER_CS;
  25.423 -
  25.424 -	/*
  25.425 -	 * Clear TF when entering the signal handler, but
  25.426 -	 * notify any tracer that was single-stepping it.
  25.427 -	 * The tracer may want to single-step inside the
  25.428 -	 * handler too.
  25.429 -	 */
  25.430 -	if (regs->eflags & TF_MASK) {
  25.431 -		regs->eflags &= ~TF_MASK;
  25.432 -		if (current->ptrace & PT_DTRACE)
  25.433 -			ptrace_notify(SIGTRAP);
  25.434 -	}
  25.435 -
  25.436 -#if DEBUG_SIG
  25.437 -	printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
  25.438 -		current->comm, current->pid, frame, regs->eip, frame->pretcode);
  25.439 -#endif
  25.440 -
  25.441 -	return;
  25.442 -
  25.443 -give_sigsegv:
  25.444 -	force_sigsegv(sig, current);
  25.445 -}
  25.446 -
  25.447 -static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
  25.448 -			   sigset_t *set, struct pt_regs * regs)
  25.449 -{
  25.450 -	void __user *restorer;
  25.451 -	struct rt_sigframe __user *frame;
  25.452 -	int err = 0;
  25.453 -	int usig;
  25.454 -
  25.455 -	frame = get_sigframe(ka, regs, sizeof(*frame));
  25.456 -
  25.457 -	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
  25.458 -		goto give_sigsegv;
  25.459 -
  25.460 -	usig = current_thread_info()->exec_domain
  25.461 -		&& current_thread_info()->exec_domain->signal_invmap
  25.462 -		&& sig < 32
  25.463 -		? current_thread_info()->exec_domain->signal_invmap[sig]
  25.464 -		: sig;
  25.465 -
  25.466 -	err |= __put_user(usig, &frame->sig);
  25.467 -	err |= __put_user(&frame->info, &frame->pinfo);
  25.468 -	err |= __put_user(&frame->uc, &frame->puc);
  25.469 -	err |= copy_siginfo_to_user(&frame->info, info);
  25.470 -	if (err)
  25.471 -		goto give_sigsegv;
  25.472 -
  25.473 -	/* Create the ucontext.  */
  25.474 -	err |= __put_user(0, &frame->uc.uc_flags);
  25.475 -	err |= __put_user(0, &frame->uc.uc_link);
  25.476 -	err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
  25.477 -	err |= __put_user(sas_ss_flags(regs->esp),
  25.478 -			  &frame->uc.uc_stack.ss_flags);
  25.479 -	err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
  25.480 -	err |= setup_sigcontext(&frame->uc.uc_mcontext, &frame->fpstate,
  25.481 -			        regs, set->sig[0]);
  25.482 -	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
  25.483 -	if (err)
  25.484 -		goto give_sigsegv;
  25.485 -
  25.486 -	/* Set up to return from userspace.  */
  25.487 -	restorer = &__kernel_rt_sigreturn;
  25.488 -	if (ka->sa.sa_flags & SA_RESTORER)
  25.489 -		restorer = ka->sa.sa_restorer;
  25.490 -	err |= __put_user(restorer, &frame->pretcode);
  25.491 -	 
  25.492 -	/*
  25.493 -	 * This is movl $,%eax ; int $0x80
  25.494 -	 *
  25.495 -	 * WE DO NOT USE IT ANY MORE! It's only left here for historical
  25.496 -	 * reasons and because gdb uses it as a signature to notice
  25.497 -	 * signal handler stack frames.
  25.498 -	 */
  25.499 -	err |= __put_user(0xb8, (char __user *)(frame->retcode+0));
  25.500 -	err |= __put_user(__NR_rt_sigreturn, (int __user *)(frame->retcode+1));
  25.501 -	err |= __put_user(0x80cd, (short __user *)(frame->retcode+5));
  25.502 -
  25.503 -	if (err)
  25.504 -		goto give_sigsegv;
  25.505 -
  25.506 -	/* Set up registers for signal handler */
  25.507 -	regs->esp = (unsigned long) frame;
  25.508 -	regs->eip = (unsigned long) ka->sa.sa_handler;
  25.509 -	regs->eax = (unsigned long) usig;
  25.510 -	regs->edx = (unsigned long) &frame->info;
  25.511 -	regs->ecx = (unsigned long) &frame->uc;
  25.512 -
  25.513 -	set_fs(USER_DS);
  25.514 -	regs->xds = __USER_DS;
  25.515 -	regs->xes = __USER_DS;
  25.516 -	regs->xss = __USER_DS;
  25.517 -	regs->xcs = __USER_CS;
  25.518 -
  25.519 -	/*
  25.520 -	 * Clear TF when entering the signal handler, but
  25.521 -	 * notify any tracer that was single-stepping it.
  25.522 -	 * The tracer may want to single-step inside the
  25.523 -	 * handler too.
  25.524 -	 */
  25.525 -	if (regs->eflags & TF_MASK) {
  25.526 -		regs->eflags &= ~TF_MASK;
  25.527 -		if (current->ptrace & PT_DTRACE)
  25.528 -			ptrace_notify(SIGTRAP);
  25.529 -	}
  25.530 -
  25.531 -#if DEBUG_SIG
  25.532 -	printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
  25.533 -		current->comm, current->pid, frame, regs->eip, frame->pretcode);
  25.534 -#endif
  25.535 -
  25.536 -	return;
  25.537 -
  25.538 -give_sigsegv:
  25.539 -	force_sigsegv(sig, current);
  25.540 -}
  25.541 -
  25.542 -/*
  25.543 - * OK, we're invoking a handler
  25.544 - */	
  25.545 -
  25.546 -static void
  25.547 -handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
  25.548 -	      sigset_t *oldset,	struct pt_regs * regs)
  25.549 -{
  25.550 -	/* Are we from a system call? */
  25.551 -	if (regs->orig_eax >= 0) {
  25.552 -		/* If so, check system call restarting.. */
  25.553 -		switch (regs->eax) {
  25.554 -		        case -ERESTART_RESTARTBLOCK:
  25.555 -			case -ERESTARTNOHAND:
  25.556 -				regs->eax = -EINTR;
  25.557 -				break;
  25.558 -
  25.559 -			case -ERESTARTSYS:
  25.560 -				if (!(ka->sa.sa_flags & SA_RESTART)) {
  25.561 -					regs->eax = -EINTR;
  25.562 -					break;
  25.563 -				}
  25.564 -			/* fallthrough */
  25.565 -			case -ERESTARTNOINTR:
  25.566 -				regs->eax = regs->orig_eax;
  25.567 -				regs->eip -= 2;
  25.568 -		}
  25.569 -	}
  25.570 -
  25.571 -	/* Set up the stack frame */
  25.572 -	if (ka->sa.sa_flags & SA_SIGINFO)
  25.573 -		setup_rt_frame(sig, ka, info, oldset, regs);
  25.574 -	else
  25.575 -		setup_frame(sig, ka, oldset, regs);
  25.576 -
  25.577 -	if (!(ka->sa.sa_flags & SA_NODEFER)) {
  25.578 -		spin_lock_irq(&current->sighand->siglock);
  25.579 -		sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
  25.580 -		sigaddset(&current->blocked,sig);
  25.581 -		recalc_sigpending();
  25.582 -		spin_unlock_irq(&current->sighand->siglock);
  25.583 -	}
  25.584 -}
  25.585 -
  25.586 -/*
  25.587 - * Note that 'init' is a special process: it doesn't get signals it doesn't
  25.588 - * want to handle. Thus you cannot kill init even with a SIGKILL even by
  25.589 - * mistake.
  25.590 - */
  25.591 -int fastcall do_signal(struct pt_regs *regs, sigset_t *oldset)
  25.592 -{
  25.593 -	siginfo_t info;
  25.594 -	int signr;
  25.595 -	struct k_sigaction ka;
  25.596 -
  25.597 -	/*
  25.598 -	 * We want the common case to go fast, which
  25.599 -	 * is why we may in certain cases get here from
  25.600 -	 * kernel mode. Just return without doing anything
  25.601 -	 * if so.
  25.602 -	 */
  25.603 -	if ((regs->xcs & 2) != 2)
  25.604 -		return 1;
  25.605 -
  25.606 -	if (current->flags & PF_FREEZE) {
  25.607 -		refrigerator(0);
  25.608 -		goto no_signal;
  25.609 -	}
  25.610 -
  25.611 -	if (!oldset)
  25.612 -		oldset = &current->blocked;
  25.613 -
  25.614 -	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
  25.615 -	if (signr > 0) {
  25.616 -		/* Reenable any watchpoints before delivering the
  25.617 -		 * signal to user space. The processor register will
  25.618 -		 * have been cleared if the watchpoint triggered
  25.619 -		 * inside the kernel.
  25.620 -		 */
  25.621 -		if (unlikely(current->thread.debugreg[7])) {
  25.622 -			HYPERVISOR_set_debugreg(7,
  25.623 -						current->thread.debugreg[7]);
  25.624 -		}
  25.625 -
  25.626 -		/* Whee!  Actually deliver the signal.  */
  25.627 -		handle_signal(signr, &info, &ka, oldset, regs);
  25.628 -		return 1;
  25.629 -	}
  25.630 -
  25.631 - no_signal:
  25.632 -	/* Did we come from a system call? */
  25.633 -	if (regs->orig_eax >= 0) {
  25.634 -		/* Restart the system call - no handlers present */
  25.635 -		if (regs->eax == -ERESTARTNOHAND ||
  25.636 -		    regs->eax == -ERESTARTSYS ||
  25.637 -		    regs->eax == -ERESTARTNOINTR) {
  25.638 -			regs->eax = regs->orig_eax;
  25.639 -			regs->eip -= 2;
  25.640 -		}
  25.641 -		if (regs->eax == -ERESTART_RESTARTBLOCK){
  25.642 -			regs->eax = __NR_restart_syscall;
  25.643 -			regs->eip -= 2;
  25.644 -		}
  25.645 -	}
  25.646 -	return 0;
  25.647 -}
  25.648 -
  25.649 -/*
  25.650 - * notification of userspace execution resumption
  25.651 - * - triggered by current->work.notify_resume
  25.652 - */
  25.653 -__attribute__((regparm(3)))
  25.654 -void do_notify_resume(struct pt_regs *regs, sigset_t *oldset,
  25.655 -		      __u32 thread_info_flags)
  25.656 -{
  25.657 -	/* Pending single-step? */
  25.658 -	if (thread_info_flags & _TIF_SINGLESTEP) {
  25.659 -		regs->eflags |= TF_MASK;
  25.660 -		clear_thread_flag(TIF_SINGLESTEP);
  25.661 -	}
  25.662 -	/* deal with pending signal delivery */
  25.663 -	if (thread_info_flags & _TIF_SIGPENDING)
  25.664 -		do_signal(regs,oldset);
  25.665 -	
  25.666 -	clear_thread_flag(TIF_IRET);
  25.667 -}
    26.1 --- a/linux-2.6.10-xen-sparse/arch/xen/i386/kernel/time.c	Sat Mar 12 14:48:18 2005 +0000
    26.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
    26.3 @@ -1,811 +0,0 @@
    26.4 -/*
    26.5 - *  linux/arch/i386/kernel/time.c
    26.6 - *
    26.7 - *  Copyright (C) 1991, 1992, 1995  Linus Torvalds
    26.8 - *
    26.9 - * This file contains the PC-specific time handling details:
   26.10 - * reading the RTC at bootup, etc..
   26.11 - * 1994-07-02    Alan Modra
   26.12 - *	fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime
   26.13 - * 1995-03-26    Markus Kuhn
   26.14 - *      fixed 500 ms bug at call to set_rtc_mmss, fixed DS12887
   26.15 - *      precision CMOS clock update
   26.16 - * 1996-05-03    Ingo Molnar
   26.17 - *      fixed time warps in do_[slow|fast]_gettimeoffset()
   26.18 - * 1997-09-10	Updated NTP code according to technical memorandum Jan '96
   26.19 - *		"A Kernel Model for Precision Timekeeping" by Dave Mills
   26.20 - * 1998-09-05    (Various)
   26.21 - *	More robust do_fast_gettimeoffset() algorithm implemented
   26.22 - *	(works with APM, Cyrix 6x86MX and Centaur C6),
   26.23 - *	monotonic gettimeofday() with fast_get_timeoffset(),
   26.24 - *	drift-proof precision TSC calibration on boot
   26.25 - *	(C. Scott Ananian <cananian@alumni.princeton.edu>, Andrew D.
   26.26 - *	Balsa <andrebalsa@altern.org>, Philip Gladstone <philip@raptor.com>;
   26.27 - *	ported from 2.0.35 Jumbo-9 by Michael Krause <m.krause@tu-harburg.de>).
   26.28 - * 1998-12-16    Andrea Arcangeli
   26.29 - *	Fixed Jumbo-9 code in 2.1.131: do_gettimeofday was missing 1 jiffy
   26.30 - *	because was not accounting lost_ticks.
   26.31 - * 1998-12-24 Copyright (C) 1998  Andrea Arcangeli
   26.32 - *	Fixed a xtime SMP race (we need the xtime_lock rw spinlock to
   26.33 - *	serialize accesses to xtime/lost_ticks).
   26.34 - */
   26.35 -
   26.36 -#include <linux/errno.h>
   26.37 -#include <linux/sched.h>
   26.38 -#include <linux/kernel.h>
   26.39 -#include <linux/param.h>
   26.40 -#include <linux/string.h>
   26.41 -#include <linux/mm.h>
   26.42 -#include <linux/interrupt.h>
   26.43 -#include <linux/time.h>
   26.44 -#include <linux/delay.h>
   26.45 -#include <linux/init.h>
   26.46 -#include <linux/smp.h>
   26.47 -#include <linux/module.h>
   26.48 -#include <linux/sysdev.h>
   26.49 -#include <linux/bcd.h>
   26.50 -#include <linux/efi.h>
   26.51 -#include <linux/sysctl.h>
   26.52 -#include <linux/percpu.h>
   26.53 -
   26.54 -#include <asm/io.h>
   26.55 -#include <asm/smp.h>
   26.56 -#include <asm/irq.h>
   26.57 -#include <asm/msr.h>
   26.58 -#include <asm/delay.h>
   26.59 -#include <asm/mpspec.h>
   26.60 -#include <asm/uaccess.h>
   26.61 -#include <asm/processor.h>
   26.62 -#include <asm/timer.h>
   26.63 -
   26.64 -#include "mach_time.h"
   26.65 -
   26.66 -#include <linux/timex.h>
   26.67 -#include <linux/config.h>
   26.68 -
   26.69 -#include <asm/hpet.h>
   26.70 -
   26.71 -#include <asm/arch_hooks.h>
   26.72 -
   26.73 -#include "io_ports.h"
   26.74 -
   26.75 -extern spinlock_t i8259A_lock;
   26.76 -int pit_latch_buggy;              /* extern */
   26.77 -
   26.78 -u64 jiffies_64 = INITIAL_JIFFIES;
   26.79 -
   26.80 -EXPORT_SYMBOL(jiffies_64);
   26.81 -
   26.82 -unsigned long cpu_khz;	/* Detected as we calibrate the TSC */
   26.83 -
   26.84 -extern unsigned long wall_jiffies;
   26.85 -
   26.86 -spinlock_t rtc_lock = SPIN_LOCK_UNLOCKED;
   26.87 -
   26.88 -spinlock_t i8253_lock = SPIN_LOCK_UNLOCKED;
   26.89 -EXPORT_SYMBOL(i8253_lock);
   26.90 -
   26.91 -extern struct init_timer_opts timer_tsc_init;
   26.92 -extern struct timer_opts timer_tsc;
   26.93 -struct timer_opts *cur_timer = &timer_tsc;
   26.94 -
   26.95 -/* These are peridically updated in shared_info, and then copied here. */
   26.96 -u32 shadow_tsc_stamp;
   26.97 -u64 shadow_system_time;
   26.98 -static u32 shadow_time_version;
   26.99 -static struct timeval shadow_tv;
  26.100 -
  26.101 -/*
  26.102 - * We use this to ensure that gettimeofday() is monotonically increasing. We
  26.103 - * only break this guarantee if the wall clock jumps backwards "a long way".
  26.104 - */
  26.105 -static struct timeval last_seen_tv = {0,0};
  26.106 -
  26.107 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST
  26.108 -/* Periodically propagate synchronised time base to the RTC and to Xen. */
  26.109 -static long last_rtc_update, last_update_to_xen;
  26.110 -#endif
  26.111 -
  26.112 -/* Periodically take synchronised time base from Xen, if we need it. */
  26.113 -static long last_update_from_xen;   /* UTC seconds when last read Xen clock. */
  26.114 -
  26.115 -/* Keep track of last time we did processing/updating of jiffies and xtime. */
  26.116 -u64 processed_system_time;   /* System time (ns) at last processing. */
  26.117 -DEFINE_PER_CPU(u64, processed_system_time);
  26.118 -
  26.119 -#define NS_PER_TICK (1000000000ULL/HZ)
  26.120 -
  26.121 -#define HANDLE_USEC_UNDERFLOW(_tv) do {		\
  26.122 -	while ((_tv).tv_usec < 0) {		\
  26.123 -		(_tv).tv_usec += USEC_PER_SEC;	\
  26.124 -		(_tv).tv_sec--;			\
  26.125 -	}					\
  26.126 -} while (0)
  26.127 -#define HANDLE_USEC_OVERFLOW(_tv) do {		\
  26.128 -	while ((_tv).tv_usec >= USEC_PER_SEC) {	\
  26.129 -		(_tv).tv_usec -= USEC_PER_SEC;	\
  26.130 -		(_tv).tv_sec++;			\
  26.131 -	}					\
  26.132 -} while (0)
  26.133 -static inline void __normalize_time(time_t *sec, s64 *nsec)
  26.134 -{
  26.135 -	while (*nsec >= NSEC_PER_SEC) {
  26.136 -		(*nsec) -= NSEC_PER_SEC;
  26.137 -		(*sec)++;
  26.138 -	}
  26.139 -	while (*nsec < 0) {
  26.140 -		(*nsec) += NSEC_PER_SEC;
  26.141 -		(*sec)--;
  26.142 -	}
  26.143 -}
  26.144 -
  26.145 -/* Does this guest OS track Xen time, or set its wall clock independently? */
  26.146 -static int independent_wallclock = 0;
  26.147 -static int __init __independent_wallclock(char *str)
  26.148 -{
  26.149 -	independent_wallclock = 1;
  26.150 -	return 1;
  26.151 -}
  26.152 -__setup("independent_wallclock", __independent_wallclock);
  26.153 -#define INDEPENDENT_WALLCLOCK() \
  26.154 -    (independent_wallclock || (xen_start_info.flags & SIF_INITDOMAIN))
  26.155 -
  26.156 -/*
  26.157 - * Reads a consistent set of time-base values from Xen, into a shadow data
  26.158 - * area. Must be called with the xtime_lock held for writing.
  26.159 - */
  26.160 -static void __get_time_values_from_xen(void)
  26.161 -{
  26.162 -	shared_info_t *s = HYPERVISOR_shared_info;
  26.163 -
  26.164 -	do {
  26.165 -		shadow_time_version = s->time_version2;
  26.166 -		rmb();
  26.167 -		shadow_tv.tv_sec    = s->wc_sec;
  26.168 -		shadow_tv.tv_usec   = s->wc_usec;
  26.169 -		shadow_tsc_stamp    = (u32)s->tsc_timestamp;
  26.170 -		shadow_system_time  = s->system_time;
  26.171 -		rmb();
  26.172 -	}
  26.173 -	while (shadow_time_version != s->time_version1);
  26.174 -
  26.175 -	cur_timer->mark_offset();
  26.176 -}
  26.177 -
  26.178 -#define TIME_VALUES_UP_TO_DATE \
  26.179 - ({ rmb(); (shadow_time_version == HYPERVISOR_shared_info->time_version2); })
  26.180 -
  26.181 -/*
  26.182 - * This version of gettimeofday has microsecond resolution
  26.183 - * and better than microsecond precision on fast x86 machines with TSC.
  26.184 - */
  26.185 -void do_gettimeofday(struct timeval *tv)
  26.186 -{
  26.187 -	unsigned long seq;
  26.188 -	unsigned long usec, sec;
  26.189 -	unsigned long max_ntp_tick;
  26.190 -	unsigned long flags;
  26.191 -	s64 nsec;
  26.192 -
  26.193 -	do {
  26.194 -		unsigned long lost;
  26.195 -
  26.196 -		seq = read_seqbegin(&xtime_lock);
  26.197 -
  26.198 -		usec = cur_timer->get_offset();
  26.199 -		lost = jiffies - wall_jiffies;
  26.200 -
  26.201 -		/*
  26.202 -		 * If time_adjust is negative then NTP is slowing the clock
  26.203 -		 * so make sure not to go into next possible interval.
  26.204 -		 * Better to lose some accuracy than have time go backwards..
  26.205 -		 */
  26.206 -		if (unlikely(time_adjust < 0)) {
  26.207 -			max_ntp_tick = (USEC_PER_SEC / HZ) - tickadj;
  26.208 -			usec = min(usec, max_ntp_tick);
  26.209 -
  26.210 -			if (lost)
  26.211 -				usec += lost * max_ntp_tick;
  26.212 -		}
  26.213 -		else if (unlikely(lost))
  26.214 -			usec += lost * (USEC_PER_SEC / HZ);
  26.215 -
  26.216 -		sec = xtime.tv_sec;
  26.217 -		usec += (xtime.tv_nsec / NSEC_PER_USEC);
  26.218 -
  26.219 -		nsec = shadow_system_time - processed_system_time;
  26.220 -		__normalize_time(&sec, &nsec);
  26.221 -		usec += (long)nsec / NSEC_PER_USEC;
  26.222 -
  26.223 -		if (unlikely(!TIME_VALUES_UP_TO_DATE)) {
  26.224 -			/*
  26.225 -			 * We may have blocked for a long time,
  26.226 -			 * rendering our calculations invalid
  26.227 -			 * (e.g. the time delta may have
  26.228 -			 * overflowed). Detect that and recalculate
  26.229 -			 * with fresh values.
  26.230 -			 */
  26.231 -			write_seqlock_irqsave(&xtime_lock, flags);
  26.232 -			__get_time_values_from_xen();
  26.233 -			write_sequnlock_irqrestore(&xtime_lock, flags);
  26.234 -			continue;
  26.235 -		}
  26.236 -	} while (read_seqretry(&xtime_lock, seq));
  26.237 -
  26.238 -	while (usec >= USEC_PER_SEC) {
  26.239 -		usec -= USEC_PER_SEC;
  26.240 -		sec++;
  26.241 -	}
  26.242 -
  26.243 -	/* Ensure that time-of-day is monotonically increasing. */
  26.244 -	if ((sec < last_seen_tv.tv_sec) ||
  26.245 -	    ((sec == last_seen_tv.tv_sec) && (usec < last_seen_tv.tv_usec))) {
  26.246 -		sec = last_seen_tv.tv_sec;
  26.247 -		usec = last_seen_tv.tv_usec;
  26.248 -	} else {
  26.249 -		last_seen_tv.tv_sec = sec;
  26.250 -		last_seen_tv.tv_usec = usec;
  26.251 -	}
  26.252 -
  26.253 -	tv->tv_sec = sec;
  26.254 -	tv->tv_usec = usec;
  26.255 -}
  26.256 -
  26.257 -EXPORT_SYMBOL(do_gettimeofday);
  26.258 -
  26.259 -int do_settimeofday(struct timespec *tv)
  26.260 -{
  26.261 -	time_t wtm_sec, sec = tv->tv_sec;
  26.262 -	long wtm_nsec;
  26.263 -	s64 nsec;
  26.264 -	struct timespec xentime;
  26.265 -
  26.266 -	if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
  26.267 -		return -EINVAL;
  26.268 -
  26.269 -	if (!INDEPENDENT_WALLCLOCK())
  26.270 -		return 0; /* Silent failure? */
  26.271 -
  26.272 -	write_seqlock_irq(&xtime_lock);
  26.273 -
  26.274 -	/*
  26.275 -	 * Ensure we don't get blocked for a long time so that our time delta
  26.276 -	 * overflows. If that were to happen then our shadow time values would
  26.277 -	 * be stale, so we can retry with fresh ones.
  26.278 -	 */
  26.279 - again:
  26.280 -	nsec = (s64)tv->tv_nsec -
  26.281 -	    ((s64)cur_timer->get_offset() * (s64)NSEC_PER_USEC);
  26.282 -	if (unlikely(!TIME_VALUES_UP_TO_DATE)) {
  26.283 -		__get_time_values_from_xen();
  26.284 -		goto again;
  26.285 -	}
  26.286 -
  26.287 -	__normalize_time(&sec, &nsec);
  26.288 -	set_normalized_timespec(&xentime, sec, nsec);
  26.289 -
  26.290 -	/*
  26.291 -	 * This is revolting. We need to set "xtime" correctly. However, the
  26.292 -	 * value in this location is the value at the most recent update of
  26.293 -	 * wall time.  Discover what correction gettimeofday() would have
  26.294 -	 * made, and then undo it!
  26.295 -	 */
  26.296 -	nsec -= (jiffies - wall_jiffies) * TICK_NSEC;
  26.297 -
  26.298 -	nsec -= (shadow_system_time - processed_system_time);
  26.299 -
  26.300 -	__normalize_time(&sec, &nsec);
  26.301 -	wtm_sec  = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec);
  26.302 -	wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec);
  26.303 -
  26.304 -	set_normalized_timespec(&xtime, sec, nsec);
  26.305 -	set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec);
  26.306 -
  26.307 -	time_adjust = 0;		/* stop active adjtime() */
  26.308 -	time_status |= STA_UNSYNC;
  26.309 -	time_maxerror = NTP_PHASE_LIMIT;
  26.310 -	time_esterror = NTP_PHASE_LIMIT;
  26.311 -
  26.312 -	/* Reset all our running time counts. They make no sense now. */
  26.313 -	last_seen_tv.tv_sec = 0;
  26.314 -	last_update_from_xen = 0;
  26.315 -
  26.316 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST
  26.317 -	if (xen_start_info.flags & SIF_INITDOMAIN) {
  26.318 -		dom0_op_t op;
  26.319 -		last_rtc_update = last_update_to_xen = 0;
  26.320 -		op.cmd = DOM0_SETTIME;
  26.321 -		op.u.settime.secs        = xentime.tv_sec;
  26.322 -		op.u.settime.usecs       = xentime.tv_nsec / NSEC_PER_USEC;
  26.323 -		op.u.settime.system_time = shadow_system_time;
  26.324 -		write_sequnlock_irq(&xtime_lock);
  26.325 -		HYPERVISOR_dom0_op(&op);
  26.326 -	} else
  26.327 -#endif
  26.328 -		write_sequnlock_irq(&xtime_lock);
  26.329 -
  26.330 -	clock_was_set();
  26.331 -	return 0;
  26.332 -}
  26.333 -
  26.334 -EXPORT_SYMBOL(do_settimeofday);
  26.335 -
  26.336 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST
<