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[PATCH] i386: Support physical cpu hotplug for x86_64

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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 <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: "Brown, Len" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
This commit is contained in:
Ashok Raj 2006-09-26 10:52:35 +02:00 • committed by Andi Kleen
commit 73fea17530
3 changed files with 67 additions and 5 deletions
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1
include/asm-i386/smp.h
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@ -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__ */