timers/posix-cpu-timers: 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/1509980490-4285-13-git-send-email-frederic@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -603,7 +603,7 @@ static int posix_cpu_timer_set(struct k_itimer *timer, int timer_flags,
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/*
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* Disarm any old timer after extracting its expiry time.
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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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ret = 0;
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old_incr = timer->it.cpu.incr;
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@ -1034,7 +1034,7 @@ static void posix_cpu_timer_rearm(struct k_itimer *timer)
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/*
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* Now re-arm for the new expiry time.
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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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arm_timer(timer);
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unlock:
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unlock_task_sighand(p, &flags);
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@ -1125,7 +1125,7 @@ void run_posix_cpu_timers(struct task_struct *tsk)
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struct k_itimer *timer, *next;
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unsigned long flags;
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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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* The fast path checks that there are no expired thread or thread
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