diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2016-10-03 16:20:59 +0200 |
|---|---|---|
| committer | Chris Redpath <chris.redpath@arm.com> | 2017-10-27 13:30:33 +0100 |
| commit | 4863faf5e4df76322999ad06502cbe27d0ec86dc (patch) | |
| tree | 3871f450cf3a8d9c888e8a6b07fd863be486f2e6 /kernel | |
| parent | c14c9b6e3e489062efe08c364196e76e705b8ea3 (diff) | |
UPSTREAM: sched/core: Add missing update_rq_clock() in post_init_entity_util_avg()
Address this rq-clock update bug:
WARNING: CPU: 0 PID: 0 at ../kernel/sched/sched.h:797 post_init_entity_util_avg()
rq->clock_update_flags < RQCF_ACT_SKIP
Call Trace:
__warn()
post_init_entity_util_avg()
wake_up_new_task()
_do_fork()
kernel_thread()
rest_init()
start_kernel()
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 4126bad6717336abe5d666440ae15555563ca53f)
Change-Id: Ibe9a73386896377f96483d195e433259218755a5
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 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 31cb76a915a8..7da9ce69e707 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2466,6 +2466,7 @@ void wake_up_new_task(struct task_struct *p) __set_task_cpu(p, select_task_rq(p, task_cpu(p), SD_BALANCE_FORK, 0)); #endif rq = __task_rq_lock(p); + update_rq_clock(rq); post_init_entity_util_avg(&p->se); walt_mark_task_starting(p); |