Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1431798
| From | Jisheng Zhang <jszhang@marvell.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] sched/fair: avoid !CONFIG_SMP cpufreq update callbacks when go idle |
| Date | 2016-06-27 10:10 +0200 |
| Message-ID | <rOzMf-62T-55@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
This is to avoid cpufreq update callbacks when we go idle on UP platforms. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> --- kernel/sched/fair.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index bdcbeea..236ec5b 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3121,7 +3121,8 @@ static inline void update_load_avg(struct sched_entity *se, int not_used) struct cfs_rq *cfs_rq = cfs_rq_of(se); struct rq *rq = rq_of(cfs_rq); - cpufreq_trigger_update(rq_clock(rq)); + if (&rq->cfs == cfs_rq) + cpufreq_trigger_update(rq_clock(rq)); } static inline void -- 2.8.1
Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread
[PATCH] sched/fair: avoid !CONFIG_SMP cpufreq update callbacks when go idle Jisheng Zhang <jszhang@marvell.com> - 2016-06-27 10:10 +0200
Re: [PATCH] sched/fair: avoid !CONFIG_SMP cpufreq update callbacks when go idle Peter Zijlstra <peterz@infradead.org> - 2016-06-27 10:40 +0200
Re: [PATCH] sched/fair: avoid !CONFIG_SMP cpufreq update callbacks when go idle Jisheng Zhang <jszhang@marvell.com> - 2016-06-27 10:50 +0200
csiph-web