diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2019-07-10 12:57:36 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-07-13 11:23:27 +0200 |
| commit | e3d85487fba42206024bc3ed32e4b581c7cb46db (patch) | |
| tree | 097026f897c34b25939b812c836bf60ff49e79df /kernel/Kconfig.preempt | |
| parent | f632a8170a6b667ee4e3f552087588f0fe13c4bb (diff) | |
| download | lwn-e3d85487fba42206024bc3ed32e4b581c7cb46db.tar.gz lwn-e3d85487fba42206024bc3ed32e4b581c7cb46db.zip | |
sched/core: Fix preempt warning in ttwu
John reported a DEBUG_PREEMPT warning caused by commit:
aacedf26fb76 ("sched/core: Optimize try_to_wake_up() for local wakeups")
I overlooked that ttwu_stat() requires preemption disabled.
Reported-by: John Stultz <john.stultz@linaro.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: aacedf26fb76 ("sched/core: Optimize try_to_wake_up() for local wakeups")
Link: https://lkml.kernel.org/r/20190710105736.GK3402@hirez.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/Kconfig.preempt')
0 files changed, 0 insertions, 0 deletions