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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-10 11:32:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-10 11:32:01 -0700
commitac2440654df6ac7314e2f8819fe05e7c863a2392 (patch)
treebe0cc8040cc19c67a2dd035aacedb54ab4dd41e6
parent2d0bd9534c8ddaebee64e1b4b7d621915f65e994 (diff)
parent13b5ab02ae118fc8dfdc2b8597688ec4a11d5b53 (diff)
downloadlinux-ac2440654df6ac7314e2f8819fe05e7c863a2392.tar.gz
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar: "A UP kernel cpufreq fix and a rt/dl scheduler corner case fix" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/rt, sched/dl: Don't push if task's scheduling class was changed sched/fair: Fix !CONFIG_SMP kernel cpufreq governor breakage
-rw-r--r--kernel/sched/deadline.c1
-rw-r--r--kernel/sched/fair.c9
-rw-r--r--kernel/sched/rt.c1
3 files changed, 10 insertions, 1 deletions
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index affd97ec9f65..686ec8adf952 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1394,6 +1394,7 @@ static struct rq *find_lock_later_rq(struct task_struct *task, struct rq *rq)
!cpumask_test_cpu(later_rq->cpu,
&task->cpus_allowed) ||
task_running(rq, task) ||
+ !dl_task(task) ||
!task_on_rq_queued(task))) {
double_unlock_balance(rq, later_rq);
later_rq = NULL;
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 0fe30e66aff1..40748dc8ea3e 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3030,7 +3030,14 @@ static int idle_balance(struct rq *this_rq);
#else /* CONFIG_SMP */
-static inline void update_load_avg(struct sched_entity *se, int update_tg) {}
+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));
+}
+
static inline void
enqueue_entity_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *se) {}
static inline void
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index c41ea7ac1764..ec4f538d4396 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -1729,6 +1729,7 @@ static struct rq *find_lock_lowest_rq(struct task_struct *task, struct rq *rq)
!cpumask_test_cpu(lowest_rq->cpu,
tsk_cpus_allowed(task)) ||
task_running(rq, task) ||
+ !rt_task(task) ||
!task_on_rq_queued(task))) {
double_unlock_balance(rq, lowest_rq);