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idle: Remove stale RCU comment

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The call of rcu_idle_enter() from within cpuidle_idle_call() was
removed in commit 1098582a0f ("sched,idle,rcu: Push rcu_idle deeper
into the idle path") which makes the comment out of place.

Signed-off-by: Christian Loehle <christian.loehle@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/5b936388-47df-4050-9229-6617a6c2bba5@arm.com
This commit is contained in:
Christian Loehle 2024-06-03 16:30:39 +01:00 committed by Peter Zijlstra
parent 3cd7271987
commit 764d5fcc2a
1 changed files with 0 additions and 6 deletions
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6
kernel/sched/idle.c
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@ -179,12 +179,6 @@ static void cpuidle_idle_call(void)
return;
}
/*
* The RCU framework needs to be told that we are entering an idle
* section, so no more RCU read side critical sections and one more
* step to the grace period
*/
if (cpuidle_not_available(drv, dev)) {
tick_nohz_idle_stop_tick();