diff options
| author | Joonwoo Park <joonwoop@codeaurora.org> | 2017-05-16 11:13:00 -0700 |
|---|---|---|
| committer | Joonwoo Park <joonwoop@codeaurora.org> | 2017-09-01 17:24:21 -0700 |
| commit | 0caf1df0c520325c9352149795266709e989b222 (patch) | |
| tree | a183c043360096e269a6ca083e261e2c122f5649 /kernel/sched/walt.c | |
| parent | 3989a247e2744f437233a36a0183edf3b3dfc8f1 (diff) | |
sched: WALT: fix window mis-alignment
The initial window start needs to be close to ktime ns = 0 to be
aligned with scheduler tick.
Change-Id: Ia91f74efce2f910106622a054a6fcd507e763ca5
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
Diffstat (limited to 'kernel/sched/walt.c')
| -rw-r--r-- | kernel/sched/walt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched/walt.c b/kernel/sched/walt.c index 166641ed1f39..28e999554463 100644 --- a/kernel/sched/walt.c +++ b/kernel/sched/walt.c @@ -804,11 +804,11 @@ void walt_set_window_start(struct rq *rq) int cpu = cpu_of(rq); struct rq *sync_rq = cpu_rq(sync_cpu); - if (rq->window_start) + if (likely(rq->window_start)) return; if (cpu == sync_cpu) { - rq->window_start = walt_ktime_clock(); + rq->window_start = 1; } else { raw_spin_unlock(&rq->lock); double_rq_lock(rq, sync_rq); |