TononixOS/ubports_kernel_google_msm
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[PATCH] i386: Fix UP gdt bugs

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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>
This commit is contained in:
Jeremy Fitzhardinge
2007-05-02 19:27:16 +02:00
committed by Andi Kleen
parent 1956c73bb5
commit c5413fbe89
4 changed files with 18 additions and 12 deletions
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include/asm-i386/processor.h
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@@ -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;