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authorJoonwoo Park <[email protected]>2015-04-27 19:21:49 -0700
committerThomas Gleixner <[email protected]>2015-05-05 10:40:43 +0200
commit781978e6e156101209f62b9ebc8783b70ef248de (patch)
treed2f8286d9e396294abe3bcd782cefd03dcf4afb5
parent9fa8cc0a85c774b75218ba5f385792be387c190b (diff)
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 <[email protected]> Cc: [email protected] Cc: [email protected] Cc: John Stultz <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]>
-rw-r--r--kernel/time/timer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 03f926c7a8ee..d4af7c56c95d 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);
}