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| author |   James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-10-30 16:00:59 -0500 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-10-31 00:19:33 +0100 |
| commit | b3572e361b6b2ac5e724bc4bb932b7774b720b95 (patch) | |
| tree | 5d955cbcc1f37e807d7387560b7b35074b22258e /arch/x86/include/asm/smp.h | |
| parent | x86: fix /dev/mem mmap breakage when PAT is disabled (diff) | |
| download | linux-dev-b3572e361b6b2ac5e724bc4bb932b7774b720b95.tar.xz linux-dev-b3572e361b6b2ac5e724bc4bb932b7774b720b95.zip | |
x86/voyager: fix compile breakage caused by dc1e35c6e95e8923cf1d3510438b63c600fee1e2
Impact: build fix on x86/Voyager
Given commits like this:
| Author: Suresh Siddha <suresh.b.siddha@intel.com>
| Date: Tue Jul 29 10:29:19 2008 -0700
|
| x86, xsave: enable xsave/xrstor on cpus with xsave support
Which deliberately expose boot cpu dependence to pieces of the system,
I think it's time to explicitly have a variable for it to prevent this
continual misassumption that the boot CPU is zero.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/smp.h')
| -rw-r--r-- | arch/x86/include/asm/smp.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h index 2766021aef80..d12811ce51d9 100644 --- a/arch/x86/include/asm/smp.h +++ b/arch/x86/include/asm/smp.h @@ -225,5 +225,11 @@ static inline int hard_smp_processor_id(void) #endif /* CONFIG_X86_LOCAL_APIC */ +#ifdef CONFIG_X86_HAS_BOOT_CPU_ID +extern unsigned char boot_cpu_id; +#else +#define boot_cpu_id 0 +#endif + #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_SMP_H */ |