sched/clock, sched/cputime: 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/1509980490-4285-12-git-send-email-frederic@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -388,7 +388,7 @@ void sched_clock_tick(void)
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if (unlikely(!sched_clock_running))
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return;
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WARN_ON_ONCE(!irqs_disabled());
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lockdep_assert_irqs_disabled();
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scd = this_scd();
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__scd_stamp(scd);
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@ -259,8 +259,7 @@ static inline u64 account_other_time(u64 max)
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{
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u64 accounted;
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/* Shall be converted to a lockdep-enabled lightweight check */
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WARN_ON_ONCE(!irqs_disabled());
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lockdep_assert_irqs_disabled();
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accounted = steal_account_process_time(max);
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