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: Mike Travis <travis@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 55402d2..f92315e 100644 (file)
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -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