From: Peter Zijlstra peterz@infradead.org
stable inclusion from linux-4.19.144 commit c12a4e6ac32c6d5978fecc0501b7bb9c8ddd2bae
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[ Upstream commit 49d9c5936314e44d314c605c39cce0fd947f9c3a ]
Match the pattern elsewhere in this file.
Signed-off-by: Peter Zijlstra (Intel) peterz@infradead.org Reviewed-by: Steven Rostedt (VMware) rostedt@goodmis.org Reviewed-by: Thomas Gleixner tglx@linutronix.de Acked-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Tested-by: Marco Elver elver@google.com Link: https://lkml.kernel.org/r/20200821085348.251340558@infradead.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/cpuidle/cpuidle.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 6df894d65d9e..2d182dc1b49e 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -148,7 +148,8 @@ static void enter_s2idle_proper(struct cpuidle_driver *drv, */ stop_critical_timings(); drv->states[index].enter_s2idle(dev, drv, index); - WARN_ON(!irqs_disabled()); + if (WARN_ON_ONCE(!irqs_disabled())) + local_irq_disable(); /* * timekeeping_resume() that will be called by tick_unfreeze() for the * first CPU executing it calls functions containing RCU read-side