Messages in this thread Patch in this message | | | From | Frederic Weisbecker <> | Subject | [PATCH 03/14] workqueue: Use lockdep to assert IRQs are disabled/enabled | Date | Fri, 20 Oct 2017 02:56:00 +0200 |
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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 <frederic@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Tejun Heo <tj@kernel.org> Cc: Lai Jiangshan <jiangshanlai@gmail.com> --- kernel/workqueue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index c77fdf6..4c6809e 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1375,7 +1375,7 @@ static void __queue_work(int cpu, struct workqueue_struct *wq, * queued or lose PENDING. Grabbing PENDING and queueing should * happen with IRQ disabled. */ - WARN_ON_ONCE(!irqs_disabled()); + lockdep_assert_irqs_disabled(); debug_work_activate(work); -- 2.7.4
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