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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2007-05-02 19:27:16 +0200 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 19:27:16 +0200 |
| commit | c5413fbe894924ddb8aa474a4d4da52e7a6c7e0b (patch) | |
| tree | 8f317bf2494b6b4bceb5e6d1ee35fabc0eeb9971 /include/asm-i386/processor.h | |
| parent | [PATCH] i386: Define per_cpu_offset (diff) | |
| download | linux-c5413fbe894924ddb8aa474a4d4da52e7a6c7e0b.tar.xz linux-c5413fbe894924ddb8aa474a4d4da52e7a6c7e0b.zip | |
[PATCH] i386: Fix UP gdt bugs
Fixes two problems with the GDT when compiling for uniprocessor:
- There's no percpu segment, so trying to load its selector into %fs fails.
Use a null selector instead.
- The real gdt needs to be loaded at some point. Do it in cpu_init().
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'include/asm-i386/processor.h')
| -rw-r--r-- | include/asm-i386/processor.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h index ced2da8a0d65..70f3515c3db0 100644 --- a/include/asm-i386/processor.h +++ b/include/asm-i386/processor.h @@ -750,6 +750,7 @@ extern void enable_sep_cpu(void); extern int sysenter_setup(void); extern void cpu_set_gdt(int); +extern void switch_to_new_gdt(void); extern void cpu_init(void); extern int force_mwait; |