ia64/linux-2.6.18-xen.hg

view include/asm-i386/suspend.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 /*
2 * Copyright 2001-2002 Pavel Machek <pavel@suse.cz>
3 * Based on code
4 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
5 */
6 #include <asm/desc.h>
7 #include <asm/i387.h>
9 static inline int
10 arch_prepare_suspend(void)
11 {
12 /* If you want to make non-PSE machine work, turn off paging
13 in swsusp_arch_suspend. swsusp_pg_dir should have identity mapping, so
14 it could work... */
15 if (!cpu_has_pse) {
16 printk(KERN_ERR "PSE is required for swsusp.\n");
17 return -EPERM;
18 }
19 return 0;
20 }
22 /* image of the saved processor state */
23 struct saved_context {
24 u16 es, fs, gs, ss;
25 unsigned long cr0, cr2, cr3, cr4;
26 u16 gdt_pad;
27 u16 gdt_limit;
28 unsigned long gdt_base;
29 u16 idt_pad;
30 u16 idt_limit;
31 unsigned long idt_base;
32 u16 ldt;
33 u16 tss;
34 unsigned long tr;
35 unsigned long safety;
36 unsigned long return_address;
37 } __attribute__((packed));
39 #ifdef CONFIG_ACPI_SLEEP
40 extern unsigned long saved_eip;
41 extern unsigned long saved_esp;
42 extern unsigned long saved_ebp;
43 extern unsigned long saved_ebx;
44 extern unsigned long saved_esi;
45 extern unsigned long saved_edi;
47 static inline void acpi_save_register_state(unsigned long return_point)
48 {
49 saved_eip = return_point;
50 asm volatile ("movl %%esp,%0" : "=m" (saved_esp));
51 asm volatile ("movl %%ebp,%0" : "=m" (saved_ebp));
52 asm volatile ("movl %%ebx,%0" : "=m" (saved_ebx));
53 asm volatile ("movl %%edi,%0" : "=m" (saved_edi));
54 asm volatile ("movl %%esi,%0" : "=m" (saved_esi));
55 }
57 #define acpi_restore_register_state() do {} while (0)
59 /* routines for saving/restoring kernel state */
60 extern int acpi_save_state_mem(void);
61 #endif