irq/timings: 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> 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> Cc: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/1509980490-4285-10-git-send-email-frederic@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -264,7 +264,7 @@ u64 irq_timings_next_event(u64 now)
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* order to prevent the timings circular buffer to be updated
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* order to prevent the timings circular buffer to be updated
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* while we are reading it.
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* while we are reading it.
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*/
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*/
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WARN_ON_ONCE(!irqs_disabled());
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lockdep_assert_irqs_disabled();
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/*
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/*
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* Number of elements in the circular buffer: If it happens it
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* Number of elements in the circular buffer: If it happens it
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