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Date:   Mon, 19 Sep 2022 11:59:42 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     peterz@infradead.org
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Subject: [PATCH v2 03/44] cpuidle/poll: Ensure IRQ state is invariant
References: <20220919095939.761690562@infradead.org>
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Precedence: bulk

cpuidle_state::enter() methods should be IRQ invariant

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 drivers/cpuidle/poll_state.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/cpuidle/poll_state.c
+++ b/drivers/cpuidle/poll_state.c
@@ -17,7 +17,7 @@ static int __cpuidle poll_idle(struct cp
 
 	dev->poll_time_limit = false;
 
-	local_irq_enable();
+	raw_local_irq_enable();
 	if (!current_set_polling_and_test()) {
 		unsigned int loop_count = 0;
 		u64 limit;
@@ -36,6 +36,8 @@ static int __cpuidle poll_idle(struct cp
 			}
 		}
 	}
+	raw_local_irq_disable();
+
 	current_clr_polling();
 
 	return index;