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authorSteve Muckle <smuckle@linaro.org>2016-11-11 14:04:43 -0800
committerAndres Oportus <andresoportus@google.com>2017-06-02 08:01:50 -0700
commitf02702dcf231c3258aabd702023286f6c01aaa21 (patch)
tree495ff802e3b238bcbe60bf25f0e509d95ac8182c /kernel/sched/rt.c
parent5df19f969e4834548c4cf930c591581e237fccd0 (diff)
sched: backport cpufreq hooks from 4.9-rc4
The scheduler cpufreq hooks are required by the schedutil cpufreq governor. Change-Id: Ied6c46262bb33b7e81bbb3d3d2761124e0c676b7 Signed-off-by: Steve Muckle <smuckle@linaro.org> [trivial cherry-picking fixes] Signed-off-by: Juri Lelli <juri.lelli@arm.com> Signed-off-by: Chris Redpath <chris.redpath@arm.com>
Diffstat (limited to 'kernel/sched/rt.c')
-rw-r--r--kernel/sched/rt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 541b8494450e..6bb51d62dca4 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -1002,6 +1002,9 @@ static void update_curr_rt(struct rq *rq)
if (unlikely((s64)delta_exec <= 0))
return;
+ /* Kick cpufreq (see the comment in kernel/sched/sched.h). */
+ cpufreq_update_this_cpu(rq, SCHED_CPUFREQ_RT);
+
schedstat_set(curr->se.statistics.exec_max,
max(curr->se.statistics.exec_max, delta_exec));