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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup:
  [x86 setup] Work around bug in Xen HVM
This commit is contained in:
Linus Torvalds 2007-09-10 14:35:55 -07:00
commit 83dc3d43ce
1 changed files with 5 additions and 1 deletions
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6
arch/i386/boot/pm.c
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@ -122,7 +122,11 @@ static void setup_gdt(void)
/* DS: data, read/write, 4 GB, base 0 */ /* DS: data, read/write, 4 GB, base 0 */
[GDT_ENTRY_BOOT_DS] = GDT_ENTRY(0xc093, 0, 0xfffff), [GDT_ENTRY_BOOT_DS] = GDT_ENTRY(0xc093, 0, 0xfffff),
}; };
struct gdt_ptr gdt; /* Xen HVM incorrectly stores a pointer to the gdt_ptr, instead
of the gdt_ptr contents. Thus, make it static so it will
stay in memory, at least long enough that we switch to the
proper kernel GDT. */
static struct gdt_ptr gdt;
gdt.len = sizeof(boot_gdt)-1; gdt.len = sizeof(boot_gdt)-1;
gdt.ptr = (u32)&boot_gdt + (ds() << 4); gdt.ptr = (u32)&boot_gdt + (ds() << 4);