diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2016-10-03 16:44:25 +0200 |
|---|---|---|
| committer | Chris Redpath <chris.redpath@arm.com> | 2017-10-27 13:30:33 +0100 |
| commit | fd4a95dab858fa1350cc94ce4b435b7295db3ed3 (patch) | |
| tree | 32ae0a3ca793bf0774728b16410a759c5398c3b2 /kernel | |
| parent | bab39eb879251debe02e573f5453bd93ad5350bd (diff) | |
UPSTREAM: sched/core: Add missing update_rq_clock() call in set_user_nice()
Address this rq-clock update bug:
WARNING: CPU: 30 PID: 195 at ../kernel/sched/sched.h:797 set_next_entity()
rq->clock_update_flags < RQCF_ACT_SKIP
Call Trace:
dump_stack()
__warn()
warn_slowpath_fmt()
set_next_entity()
? _raw_spin_lock()
set_curr_task_fair()
set_user_nice.part.85()
set_user_nice()
create_worker()
worker_thread()
kthread()
ret_from_fork()
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit 2fb8d36787affe26f3536c3d8ec094995a48037d)
Change-Id: I53ba056e72820c7fadb3f022e4ee3b821c0de17d
Signed-off-by: Brendan Jackman <brendan.jackman@arm.com>
Signed-off-by: Chris Redpath <chris.redpath@arm.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 4097f9fa541b..ca9d72fa8e66 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3670,6 +3670,8 @@ void set_user_nice(struct task_struct *p, long nice) * the task might be in the middle of scheduling on another CPU. */ rq = task_rq_lock(p, &flags); + update_rq_clock(rq); + /* * The RT priorities are set via sched_setscheduler(), but we still * allow the 'normal' nice value to be set - but as expected |