Messages in this thread Patch in this message | | | From | "Paul E. McKenney" <> | Subject | [PATCH rcu 23/23] context_tracking: Interrupts always disabled for ct_idle_exit() | Date | Mon, 20 Jun 2022 16:10:29 -0700 |
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From: Peter Zijlstra <peterz@infradead.org>
Now that the idle-loop cleanups have ensured that rcu_idle_exit() is always invoked with interrupts disabled, remove the interrupt disabling in favor of a debug check.
Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: Frederic Weisbecker <frederic@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> --- kernel/context_tracking.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c index 1da44803fd319..99310cf5b0254 100644 --- a/kernel/context_tracking.c +++ b/kernel/context_tracking.c @@ -332,11 +332,8 @@ EXPORT_SYMBOL_GPL(ct_idle_enter); */ void noinstr ct_idle_exit(void) { - unsigned long flags; - - raw_local_irq_save(flags); + WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) && !raw_irqs_disabled()); ct_kernel_enter(false, RCU_DYNTICKS_IDX - CONTEXT_IDLE); - raw_local_irq_restore(flags); } EXPORT_SYMBOL_GPL(ct_idle_exit); -- 2.31.1.189.g2e36527f23
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