diff options
| author | Frederic Weisbecker <[email protected]> | 2017-11-06 16:01:26 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2017-11-08 11:13:52 +0100 |
| commit | 3c7169a3bf8216a56761a8edf775072dd36a00a0 (patch) | |
| tree | 740c2f1915d340e03357ec889014c325f9b7a4d4 | |
| parent | a934d4d15f040cdd254350e7270b35cc7521e12e (diff) | |
irq_work: Use lockdep to assert IRQs are disabled/enabled
Use lockdep to check that IRQs are enabled or disabled as expected. This
way the sanity check only shows overhead when concurrency correctness
debug code is enabled.
Signed-off-by: Frederic Weisbecker <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Cc: David S . Miller <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Tejun Heo <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | kernel/irq_work.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/irq_work.c b/kernel/irq_work.c index bcf107ce0854..899579657a0a 100644 --- a/kernel/irq_work.c +++ b/kernel/irq_work.c @@ -188,7 +188,7 @@ void irq_work_tick(void) */ void irq_work_sync(struct irq_work *work) { - WARN_ON_ONCE(irqs_disabled()); + lockdep_assert_irqs_enabled(); while (work->flags & IRQ_WORK_BUSY) cpu_relax(); |