diff options
| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2007-05-02 13:27:15 -0400 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 13:27:15 -0400 |
| commit | 7a61d35d4b4056e7711031202da7605e052f4137 (patch) | |
| tree | 4b21e0d541d0a189c2f9f16f53eb6489f07c5a84 /arch/i386/kernel/entry.S | |
| parent | 39b7ee06859b07ca5fd4fabb44c4600316532574 (diff) | |
[PATCH] i386: Page-align the GDT
Xen wants a dedicated page for the GDT. I believe VMI likes it too.
lguest, KVM and native don't care.
Simple transformation to page-aligned "struct gdt_page".
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andi Kleen <ak@suse.de>
Acked-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Diffstat (limited to 'arch/i386/kernel/entry.S')
| -rw-r--r-- | arch/i386/kernel/entry.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S index e07473c0d3e7..3e4aa1fd33e2 100644 --- a/arch/i386/kernel/entry.S +++ b/arch/i386/kernel/entry.S | |||
| @@ -557,7 +557,7 @@ END(syscall_badsys) | |||
| 557 | #define FIXUP_ESPFIX_STACK \ | 557 | #define FIXUP_ESPFIX_STACK \ |
| 558 | /* since we are on a wrong stack, we cant make it a C code :( */ \ | 558 | /* since we are on a wrong stack, we cant make it a C code :( */ \ |
| 559 | movl %fs:PDA_cpu, %ebx; \ | 559 | movl %fs:PDA_cpu, %ebx; \ |
| 560 | PER_CPU(cpu_gdt, %ebx); \ | 560 | PER_CPU(gdt_page, %ebx); \ |
| 561 | GET_DESC_BASE(GDT_ENTRY_ESPFIX_SS, %ebx, %eax, %ax, %al, %ah); \ | 561 | GET_DESC_BASE(GDT_ENTRY_ESPFIX_SS, %ebx, %eax, %ax, %al, %ah); \ |
| 562 | addl %esp, %eax; \ | 562 | addl %esp, %eax; \ |
| 563 | pushl $__KERNEL_DS; \ | 563 | pushl $__KERNEL_DS; \ |