Commit-ID: 3c7169a3bf8216a56761a8edf775072dd36a00a0 Gitweb: https://git.kernel.org/tip/3c7169a3bf8216a56761a8edf775072dd36a00a0 Author: Frederic Weisbecker <frede...@kernel.org> AuthorDate: Mon, 6 Nov 2017 16:01:26 +0100 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Wed, 8 Nov 2017 11:13:52 +0100
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 <frede...@kernel.org> Acked-by: Thomas Gleixner <t...@linutronix.de> Cc: David S . Miller <da...@davemloft.net> Cc: Lai Jiangshan <jiangshan...@gmail.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Paul E. McKenney <paul...@linux.vnet.ibm.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Tejun Heo <t...@kernel.org> Link: http://lkml.kernel.org/r/1509980490-4285-11-git-send-email-frede...@kernel.org Signed-off-by: Ingo Molnar <mi...@kernel.org> --- kernel/irq_work.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq_work.c b/kernel/irq_work.c index bcf107c..8995796 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();
