diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-08-21 15:28:24 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-21 15:28:24 +0400 |
| commit | 470fba7ebe60ad9185056b080b331abad24b4df9 (patch) | |
| tree | f83bc13d97adaf5dd0e0f1d6a157b890f868577f /arch/x86/power/hibernate_asm_32.S | |
| parent | 7225e75144b9718cbbe1820d9c011c809d5773fd (diff) | |
| parent | 6a55617ed5d1aa62b850de2cf66f5ede2eef4825 (diff) | |
| download | linux-470fba7ebe60ad9185056b080b331abad24b4df9.tar.xz | |
Merge branch 'linus' into x86/doc
Diffstat (limited to 'arch/x86/power/hibernate_asm_32.S')
| -rw-r--r-- | arch/x86/power/hibernate_asm_32.S | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S index b95aa6cfe3cb..4fc7e872c85e 100644 --- a/arch/x86/power/hibernate_asm_32.S +++ b/arch/x86/power/hibernate_asm_32.S @@ -28,9 +28,9 @@ ENTRY(swsusp_arch_suspend) ret ENTRY(restore_image) - movl resume_pg_dir, %ecx - subl $__PAGE_OFFSET, %ecx - movl %ecx, %cr3 + movl resume_pg_dir, %eax + subl $__PAGE_OFFSET, %eax + movl %eax, %cr3 movl restore_pblist, %edx .p2align 4,,7 @@ -52,17 +52,21 @@ copy_loop: done: /* go back to the original page tables */ - movl $swapper_pg_dir, %ecx - subl $__PAGE_OFFSET, %ecx - movl %ecx, %cr3 + movl $swapper_pg_dir, %eax + subl $__PAGE_OFFSET, %eax + movl %eax, %cr3 /* Flush TLB, including "global" things (vmalloc) */ - movl mmu_cr4_features, %eax - movl %eax, %edx + movl mmu_cr4_features, %ecx + jecxz 1f # cr4 Pentium and higher, skip if zero + movl %ecx, %edx andl $~(1<<7), %edx; # PGE movl %edx, %cr4; # turn off PGE - movl %cr3, %ecx; # flush TLB - movl %ecx, %cr3 - movl %eax, %cr4; # turn PGE back on +1: + movl %cr3, %eax; # flush TLB + movl %eax, %cr3 + jecxz 1f # cr4 Pentium and higher, skip if zero + movl %ecx, %cr4; # turn PGE back on +1: movl saved_context_esp, %esp movl saved_context_ebp, %ebp |