Messages in this thread Patch in this message | | | From | Frederic Weisbecker <> | Subject | [PATCH 2/2] cpuidle: Remove unnecessary current_clr_polling() on poll_idle() | Date | Mon, 13 Nov 2023 17:03:26 -0500 |
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There is no point in clearing TIF_NR_POLLING and folding TIF_NEED_RESCHED upon poll_idle() exit because cpuidle_idle_call() is going to set again TIF_NR_POLLING anyway. Also if TIF_NEED_RESCHED is set, it will be folded and TIF_NR_POLLING will be cleared at the end of do_idle().
Acked-by: Rafael J. Wysocki <rafael@kernel.org> Signed-off-by: Frederic Weisbecker <frederic@kernel.org> --- drivers/cpuidle/poll_state.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/cpuidle/poll_state.c b/drivers/cpuidle/poll_state.c index 9b6d90a72601..d5cb3eb85a54 100644 --- a/drivers/cpuidle/poll_state.c +++ b/drivers/cpuidle/poll_state.c @@ -40,8 +40,6 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, } raw_local_irq_disable(); - current_clr_polling(); - return index; } -- 2.42.1
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