ia64/xen-unstable
changeset 4685:71ac8f618782
bitkeeper revision 1.1385.2.1 (4270fd13Fv84etl6vfPTPXdxld-15A)
page.h:
Revert change to pgd_val to always set the PAGE_PRESENT bit.
fixup.c:
Cleanup whitespace.
setup.c:
Whitespace cleanup.
Whitespace cleanups.
process.c:
Whitespace.
pci-dma.c:
revert part of previous for sync w/ 2.0.
g/c unused code and cleanup whitespace.
head.S:
Break __xen_guest definition up in several lines.
common.c:
whitespace cleanup.
page.h:
Revert change to pgd_val to always set the PAGE_PRESENT bit.
fixup.c:
Cleanup whitespace.
setup.c:
Whitespace cleanup.
Whitespace cleanups.
process.c:
Whitespace.
pci-dma.c:
revert part of previous for sync w/ 2.0.
g/c unused code and cleanup whitespace.
head.S:
Break __xen_guest definition up in several lines.
common.c:
whitespace cleanup.
author | cl349@firebug.cl.cam.ac.uk |
---|---|
date | Thu Apr 28 15:11:15 2005 +0000 (2005-04-28) |
parents | 435ff7469fc1 |
children | b2ca9de6952a |
files | linux-2.6.11-xen-sparse/arch/xen/i386/kernel/cpu/common.c linux-2.6.11-xen-sparse/arch/xen/i386/kernel/head.S 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/kernel/fixup.c linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/page.h |
line diff
1.1 --- a/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/cpu/common.c Wed Apr 27 10:39:11 2005 +0000 1.2 +++ b/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/cpu/common.c Thu Apr 28 15:11:15 2005 +0000 1.3 @@ -600,7 +600,7 @@ void __init cpu_init (void) 1.4 * Set up the per-thread TLS descriptor cache: 1.5 */ 1.6 memcpy(thread->tls_array, &get_cpu_gdt_table(cpu)[GDT_ENTRY_TLS_MIN], 1.7 - GDT_ENTRY_TLS_ENTRIES * 8); 1.8 + GDT_ENTRY_TLS_ENTRIES * 8); 1.9 1.10 cpu_gdt_init(&cpu_gdt_descr[cpu]); 1.11
2.1 --- a/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/head.S Wed Apr 27 10:39:11 2005 +0000 2.2 +++ b/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/head.S Thu Apr 28 15:11:15 2005 +0000 2.3 @@ -2,7 +2,9 @@ 2.4 #include <linux/config.h> 2.5 2.6 .section __xen_guest 2.7 - .ascii "GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=3.0,VIRT_BASE=0xC0000000" 2.8 + .ascii "GUEST_OS=linux,GUEST_VER=2.6" 2.9 + .ascii ",XEN_VER=3.0" 2.10 + .ascii ",VIRT_BASE=0xC0000000" 2.11 .ascii ",LOADER=generic" 2.12 .byte 0 2.13
3.1 --- a/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/pci-dma.c Wed Apr 27 10:39:11 2005 +0000 3.2 +++ b/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/pci-dma.c Thu Apr 28 15:11:15 2005 +0000 3.3 @@ -44,13 +44,13 @@ xen_contig_memory(unsigned long vstart, 3.4 3.5 /* 1. Zap current PTEs, giving away the underlying pages. */ 3.6 for (i = 0; i < (1<<order); i++) { 3.7 - pgd = pgd_offset_k( (vstart + (i*PAGE_SIZE))); 3.8 - pud = pud_offset(pgd, (vstart + (i*PAGE_SIZE))); 3.9 - pmd = pmd_offset(pud, (vstart + (i*PAGE_SIZE))); 3.10 - pte = pte_offset_kernel(pmd, (vstart + (i*PAGE_SIZE))); 3.11 - pfn = pte->pte_low >> PAGE_SHIFT; 3.12 - HYPERVISOR_update_va_mapping( 3.13 - vstart + (i*PAGE_SIZE), __pte_ma(0), 0); 3.14 + pgd = pgd_offset_k(vstart + (i*PAGE_SIZE)); 3.15 + pud = pud_offset(pgd, vstart + (i*PAGE_SIZE)); 3.16 + pmd = pmd_offset(pud, vstart + (i*PAGE_SIZE)); 3.17 + pte = pte_offset_kernel(pmd, vstart + (i*PAGE_SIZE)); 3.18 + pfn = pte_val_ma(*pte) >> PAGE_SHIFT; 3.19 + HYPERVISOR_update_va_mapping(vstart + (i*PAGE_SIZE), 3.20 + __pte_ma(0), 0); 3.21 phys_to_machine_mapping[(__pa(vstart)>>PAGE_SHIFT)+i] = 3.22 INVALID_P2M_ENTRY; 3.23 if (HYPERVISOR_dom_mem_op(MEMOP_decrease_reservation, 3.24 @@ -61,17 +61,10 @@ xen_contig_memory(unsigned long vstart, 3.25 &pfn, 1, order) != 1) BUG(); 3.26 /* 3. Map the new extent in place of old pages. */ 3.27 for (i = 0; i < (1<<order); i++) { 3.28 - pgd = pgd_offset_k( (vstart + (i*PAGE_SIZE))); 3.29 - pud = pud_offset(pgd, (vstart + (i*PAGE_SIZE))); 3.30 - pmd = pmd_offset(pud, (vstart + (i*PAGE_SIZE))); 3.31 - pte = pte_offset_kernel(pmd, (vstart + (i*PAGE_SIZE))); 3.32 - HYPERVISOR_update_va_mapping( 3.33 - vstart + (i*PAGE_SIZE), 3.34 + HYPERVISOR_update_va_mapping(vstart + (i*PAGE_SIZE), 3.35 __pte_ma(((pfn+i)<<PAGE_SHIFT)|__PAGE_KERNEL), 0); 3.36 - xen_machphys_update( 3.37 - pfn+i, (__pa(vstart)>>PAGE_SHIFT)+i); 3.38 - phys_to_machine_mapping[(__pa(vstart)>>PAGE_SHIFT)+i] = 3.39 - pfn+i; 3.40 + xen_machphys_update(pfn+i, (__pa(vstart)>>PAGE_SHIFT)+i); 3.41 + phys_to_machine_mapping[(__pa(vstart)>>PAGE_SHIFT)+i] = pfn+i; 3.42 } 3.43 flush_tlb_all(); 3.44 3.45 @@ -82,11 +75,9 @@ void *dma_alloc_coherent(struct device * 3.46 dma_addr_t *dma_handle, int gfp) 3.47 { 3.48 void *ret; 3.49 + struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL; 3.50 unsigned int order = get_order(size); 3.51 unsigned long vstart; 3.52 - 3.53 - struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL; 3.54 - 3.55 /* ignore region specifiers */ 3.56 gfp &= ~(__GFP_DMA | __GFP_HIGHMEM); 3.57 3.58 @@ -108,14 +99,13 @@ void *dma_alloc_coherent(struct device * 3.59 3.60 vstart = __get_free_pages(gfp, order); 3.61 ret = (void *)vstart; 3.62 - if (ret == NULL) 3.63 - return ret; 3.64 + 3.65 + if (ret != NULL) { 3.66 + xen_contig_memory(vstart, order); 3.67 3.68 - xen_contig_memory(vstart, order); 3.69 - 3.70 - memset(ret, 0, size); 3.71 - *dma_handle = virt_to_bus(ret); 3.72 - 3.73 + memset(ret, 0, size); 3.74 + *dma_handle = virt_to_bus(ret); 3.75 + } 3.76 return ret; 3.77 } 3.78
4.1 --- a/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/process.c Wed Apr 27 10:39:11 2005 +0000 4.2 +++ b/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/process.c Thu Apr 28 15:11:15 2005 +0000 4.3 @@ -329,7 +329,7 @@ int copy_thread(int nr, unsigned long cl 4.4 desc->b = LDT_entry_b(&info); 4.5 } 4.6 4.7 - p->thread.io_pl = current->thread.io_pl; 4.8 + p->thread.io_pl = current->thread.io_pl; 4.9 4.10 err = 0; 4.11 out: 4.12 @@ -445,7 +445,7 @@ struct task_struct fastcall * __switch_t 4.13 physdev_op_t iopl_op, iobmp_op; 4.14 multicall_entry_t _mcl[8], *mcl = _mcl; 4.15 4.16 - /* XEN NOTE: FS/GS saved in switch_mm(), not here. */ 4.17 + /* XEN NOTE: FS/GS saved in switch_mm(), not here. */ 4.18 4.19 /* 4.20 * This is basically '__unlazy_fpu', except that we queue a
5.1 --- a/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/setup.c Wed Apr 27 10:39:11 2005 +0000 5.2 +++ b/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/setup.c Thu Apr 28 15:11:15 2005 +0000 5.3 @@ -40,6 +40,7 @@ 5.4 #include <linux/efi.h> 5.5 #include <linux/init.h> 5.6 #include <linux/edd.h> 5.7 +#include <linux/kernel.h> 5.8 #include <linux/percpu.h> 5.9 #include <linux/notifier.h> 5.10 #include <video/edid.h> 5.11 @@ -59,15 +60,11 @@ 5.12 /* Allows setting of maximum possible memory size */ 5.13 static unsigned long xen_override_max_pfn; 5.14 5.15 -extern struct notifier_block *panic_notifier_list; 5.16 static int xen_panic_event(struct notifier_block *, unsigned long, void *); 5.17 static struct notifier_block xen_panic_block = { 5.18 - xen_panic_event, 5.19 - NULL, 5.20 - 0 /* try to go last */ 5.21 + xen_panic_event, NULL, 0 /* try to go last */ 5.22 }; 5.23 5.24 - 5.25 int disable_pse __initdata = 0; 5.26 5.27 /* 5.28 @@ -901,6 +898,7 @@ efi_find_max_pfn(unsigned long start, un 5.29 return 0; 5.30 } 5.31 5.32 + 5.33 /* 5.34 * Find the highest page frame number we have available 5.35 */ 5.36 @@ -1397,22 +1395,21 @@ static void set_mca_bus(int x) { } 5.37 */ 5.38 void __init setup_arch(char **cmdline_p) 5.39 { 5.40 - int i,j; 5.41 + int i, j; 5.42 physdev_op_t op; 5.43 unsigned long max_low_pfn; 5.44 5.45 /* Force a quick death if the kernel panics. */ 5.46 extern int panic_timeout; 5.47 - if ( panic_timeout == 0 ) 5.48 + if (panic_timeout == 0) 5.49 panic_timeout = 1; 5.50 5.51 /* Register a call for panic conditions. */ 5.52 notifier_chain_register(&panic_notifier_list, &xen_panic_block); 5.53 5.54 - HYPERVISOR_vm_assist( 5.55 - VMASST_CMD_enable, VMASST_TYPE_4gb_segments); 5.56 - HYPERVISOR_vm_assist( 5.57 - VMASST_CMD_enable, VMASST_TYPE_writable_pagetables); 5.58 + HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_4gb_segments); 5.59 + HYPERVISOR_vm_assist(VMASST_CMD_enable, 5.60 + VMASST_TYPE_writable_pagetables); 5.61 5.62 memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data)); 5.63 early_cpu_init(); 5.64 @@ -1478,7 +1475,8 @@ void __init setup_arch(char **cmdline_p) 5.65 init_mm.start_code = (unsigned long) _text; 5.66 init_mm.end_code = (unsigned long) _etext; 5.67 init_mm.end_data = (unsigned long) _edata; 5.68 - init_mm.brk = (PFN_UP(__pa(xen_start_info.pt_base)) + xen_start_info.nr_pt_frames) << PAGE_SHIFT; 5.69 + init_mm.brk = (PFN_UP(__pa(xen_start_info.pt_base)) + 5.70 + xen_start_info.nr_pt_frames) << PAGE_SHIFT; 5.71 5.72 /* XEN: This is nonsense: kernel may not even be contiguous in RAM. */ 5.73 /*code_resource.start = virt_to_phys(_text);*/ 5.74 @@ -1511,7 +1509,7 @@ void __init setup_arch(char **cmdline_p) 5.75 max_pfn * sizeof(unsigned long)); 5.76 5.77 if (max_pfn > xen_start_info.nr_pages) { 5.78 - /* set to INVALID_P2M_ENTRY */ 5.79 + /* set to INVALID_P2M_ENTRY */ 5.80 memset(phys_to_machine_mapping, ~0, 5.81 max_pfn * sizeof(unsigned long)); 5.82 memcpy(phys_to_machine_mapping, 5.83 @@ -1617,16 +1615,14 @@ void __init setup_arch(char **cmdline_p) 5.84 } 5.85 } 5.86 5.87 - 5.88 static int 5.89 xen_panic_event(struct notifier_block *this, unsigned long event, void *ptr) 5.90 { 5.91 - HYPERVISOR_crash(); 5.92 - /* we're never actually going to get here... */ 5.93 - return NOTIFY_DONE; 5.94 + HYPERVISOR_crash(); 5.95 + /* we're never actually going to get here... */ 5.96 + return NOTIFY_DONE; 5.97 } 5.98 5.99 - 5.100 #include "setup_arch_post.h" 5.101 /* 5.102 * Local Variables:
6.1 --- a/linux-2.6.11-xen-sparse/arch/xen/kernel/fixup.c Wed Apr 27 10:39:11 2005 +0000 6.2 +++ b/linux-2.6.11-xen-sparse/arch/xen/kernel/fixup.c Thu Apr 28 15:11:15 2005 +0000 6.3 @@ -50,8 +50,8 @@ 6.4 6.5 if ( !test_and_set_bit(0, &printed) ) 6.6 { 6.7 - HYPERVISOR_vm_assist( 6.8 - VMASST_CMD_disable, VMASST_TYPE_4gb_segments_notify); 6.9 + HYPERVISOR_vm_assist(VMASST_CMD_disable, 6.10 + VMASST_TYPE_4gb_segments_notify); 6.11 6.12 DP(""); 6.13 DP("***************************************************************"); 6.14 @@ -77,8 +77,7 @@ 6.15 6.16 static int __init fixup_init(void) 6.17 { 6.18 - HYPERVISOR_vm_assist( 6.19 - VMASST_CMD_enable, VMASST_TYPE_4gb_segments_notify); 6.20 + HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_4gb_segments_notify); 6.21 return 0; 6.22 } 6.23 __initcall(fixup_init);
7.1 --- a/linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/page.h Wed Apr 27 10:39:11 2005 +0000 7.2 +++ b/linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/page.h Thu Apr 28 15:11:15 2005 +0000 7.3 @@ -111,7 +111,7 @@ typedef struct { unsigned long pgprot; } 7.4 static inline unsigned long pgd_val(pgd_t x) 7.5 { 7.6 unsigned long ret = x.pgd; 7.7 - if (ret) ret = machine_to_phys(ret) | 1; 7.8 + if (ret) ret = machine_to_phys(ret); 7.9 return ret; 7.10 } 7.11 #define pgprot_val(x) ((x).pgprot)