[PATCH 5/8] NR_CPUS: Replace per_cpu(..., smp_processor_id()) with __get_cpu_var

[Mike Travis]

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

Applies to both tip/master and linux-next.

Signed-off-by: Mike Travis <travis@xxxxxxx>
---
 include/asm-x86/processor.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.tip.orig/include/asm-x86/processor.h
+++ linux-2.6.tip/include/asm-x86/processor.h
@@ -135,7 +135,7 @@ 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

-- 
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