Commit-ID: 781978e6e156101209f62b9ebc8783b70ef248de Gitweb: http://git.kernel.org/tip/781978e6e156101209f62b9ebc8783b70ef248de Author: Joonwoo Park <joonwoop@xxxxxxxxxxxxxx> AuthorDate: Mon, 27 Apr 2015 19:21:49 -0700 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Tue, 5 May 2015 10:40:43 +0200 timer: Use timer->base for flag checks At present, internal_add_timer() examines flags with 'base' which doesn't contain flags. Examine with 'timer->base' to avoid unnecessary waking up of nohz CPU when timer base has TIMER_DEFERRABLE set. Signed-off-by: Joonwoo Park <joonwoop@xxxxxxxxxxxxxx> Cc: sboyd@xxxxxxxxxxxxxx Cc: skannan@xxxxxxxxxxxxxx Cc: John Stultz <john.stultz@xxxxxxxxxx> Link: http://lkml.kernel.org/r/1430187709-21087-1-git-send-email-joonwoop@xxxxxxxxxxxxxx Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- kernel/time/timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 03f926c..d4af7c5 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -436,7 +436,7 @@ static void internal_add_timer(struct tvec_base *base, struct timer_list *timer) * require special care against races with idle_cpu(), lets deal * with that later. */ - if (!tbase_get_deferrable(base) || tick_nohz_full_cpu(base->cpu)) + if (!tbase_get_deferrable(timer->base) || tick_nohz_full_cpu(base->cpu)) wake_up_nohz_cpu(base->cpu); } -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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