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| author | Peter Zijlstra <peterz@infradead.org> | 2014-10-29 17:08:45 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-11-04 07:17:49 +0100 |
| commit | e7097e8bd0074b465f9c78dcff25cd3f82382581 (patch) | |
| tree | 0fcab1f4e6eb01a51e8008a0f5a0977a4c5b92e9 /kernel/sched | |
| parent | ff960a731788a7408b6f66ec4fd772ff18833211 (diff) | |
| download | op-kernel-dev-e7097e8bd0074b465f9c78dcff25cd3f82382581.zip op-kernel-dev-e7097e8bd0074b465f9c78dcff25cd3f82382581.tar.gz | |
sched: Use WARN_ONCE for the might_sleep() TASK_RUNNING test
In some cases this can trigger a true flood of output.
Requested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index b9f78f1..0cd34e6 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -7301,7 +7301,7 @@ void __might_sleep(const char *file, int line, int preempt_offset) * since we will exit with TASK_RUNNING make sure we enter with it, * otherwise we will destroy state. */ - if (WARN(current->state != TASK_RUNNING, + if (WARN_ONCE(current->state != TASK_RUNNING, "do not call blocking ops when !TASK_RUNNING; " "state=%lx set at [<%p>] %pS\n", current->state, |
