mirror of https://gitee.com/openkylin/linux.git
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>
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@ -134,7 +134,7 @@ extern __u32 cleared_cpu_caps[NCAPINTS];
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#ifdef CONFIG_SMP
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DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info);
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#define cpu_data(cpu) per_cpu(cpu_info, cpu)
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#define current_cpu_data cpu_data(smp_processor_id())
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#define current_cpu_data __get_cpu_var(cpu_info)
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#else
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#define cpu_data(cpu) boot_cpu_data
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#define current_cpu_data boot_cpu_data
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