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Commit 94a1e869 authored by Mike Travis's avatar Mike Travis Committed by Ingo Molnar
Browse files

NR_CPUS: Replace per_cpu(..., smp_processor_id()) with __get_cpu_var 



  * Slight optimization when getting one's own cpu_info percpu data.

Signed-off-by: default avatarMike Travis <travis@sgi.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 1bd9d6b6

include/asm-x86/processor.h

+1 −1
Original line number Diff line number Diff line
@@ -134,7 +134,7 @@ extern __u32 cleared_cpu_caps[NCAPINTS]; 
#ifdef CONFIG_SMP

DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info);

#define cpu_data(cpu)		per_cpu(cpu_info, cpu)

#define current_cpu_data	cpu_data(smp_processor_id())

#define current_cpu_data	__get_cpu_var(cpu_info)

#else

#define cpu_data(cpu)		boot_cpu_data

#define current_cpu_data	boot_cpu_data