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authorFrederic Weisbecker <frederic@kernel.org>2017-11-06 10:01:19 -0500
committerIngo Molnar <mingo@kernel.org>2017-11-08 05:13:48 -0500
commit8e8eb730759f9cfd7a761b0b4ee41d714e720993 (patch)
tree0bcdc8927baf26c2288075275a25c5d66d587185
parentf71b74bca637fca7de78f1d44eaefde5bc900f9f (diff)
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. Signed-off-by: Frederic Weisbecker <frederic@kernel.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Tejun Heo <tj@kernel.org> Cc: David S . Miller <davem@davemloft.net> Cc: Lai Jiangshan <jiangshanlai@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1509980490-4285-4-git-send-email-frederic@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--kernel/workqueue.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 1070b21ba4aa..13f67b5a0a0c 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1376,7 +1376,7 @@ static void __queue_work(int cpu, struct workqueue_struct *wq,
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