renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-22 20:23:57 +08:00
Code

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

Browse Source 
* 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>
This commit is contained in:
Mike Travis 2008-07-18 18:11:31 -07:00 committed by Ingo Molnar
parent 1bd9d6b64e
commit 94a1e869c7
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/asm-x86/processor.h
View File

@ -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