workqueue: 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.

Frederic Weisbecker committed 9 years ago

Commit 8e8eb731 parent f71b74b1 file · +1 −1Browse files

Showing the changes to kernel/workqueue.c (1 of 1 file). Show all

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kernel/workqueue.c+1−1

@@ -1376,7 +1376,7 @@ static void __queue_work(int cpu, struct workqueue_struct *wq, · 1375 unmodified lines
1376	* queued or lose PENDING. Grabbing PENDING and queueing should	1376	* queued or lose PENDING. Grabbing PENDING and queueing should
1377	* happen with IRQ disabled.	1377	* happen with IRQ disabled.
1378	*/	1378	*/
1379	WARN_ON_ONCE(!irqs_disabled());	1379	lockdep_assert_irqs_disabled();
1380		1380
1381	debug_work_activate(work);	1381	debug_work_activate(work);
1382		1382