Messages in this thread Patch in this message | | | From | Viresh Kumar <> | Subject | [PATCH 6/6] sched: cpufreq: Optimize cpufreq_update_this_cpu() a bit | Date | Wed, 24 May 2017 10:59:57 +0530 |
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smp_processor_id() can result in a function call if CONFIG_DEBUG_PREEMPT is enabled. It would be much straight forward to use this_rq() macro instead.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- kernel/sched/sched.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index bcdf6a136c59..4220ec76d643 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1995,7 +1995,7 @@ static inline void cpufreq_update_util(struct rq *rq, unsigned int flags) static inline void cpufreq_update_this_cpu(struct rq *rq, unsigned int flags) { - if (cpu_of(rq) == smp_processor_id()) + if (rq == this_rq()) cpufreq_update_util(rq, flags); } #else -- 2.13.0.70.g6367777092d9
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