diff options
| author | Ashok Raj <ashok.raj@intel.com> | 2006-09-26 10:52:35 +0200 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2006-09-26 10:52:35 +0200 |
| commit | 73fea175303926055440c06bc8894f0c5c58afc8 (patch) | |
| tree | 466af16058837ab4f8a83210848ecddac20705d9 /include/asm-i386/smp.h | |
| parent | 40bee2ee73c745922e9b2d5595c46f19d1cf1b6f (diff) | |
[PATCH] i386: Support physical cpu hotplug for x86_64
This patch enables ACPI based physical CPU hotplug support for x86_64.
Implements acpi_map_lsapic() and acpi_unmap_lsapic() to support physical cpu
hotplug.
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@muc.de>
Cc: "Brown, Len" <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Diffstat (limited to 'include/asm-i386/smp.h')
| -rw-r--r-- | include/asm-i386/smp.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-i386/smp.h b/include/asm-i386/smp.h index f87826039a5..32ac8c91d5c 100644 --- a/include/asm-i386/smp.h +++ b/include/asm-i386/smp.h @@ -84,6 +84,7 @@ static inline int hard_smp_processor_id(void) extern int __cpu_disable(void); extern void __cpu_die(unsigned int cpu); +extern unsigned int num_processors; #endif /* !__ASSEMBLY__ */ |