From b823cafa7501f946a37dce5aa1e576a0b2f31ed9 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Fri, 5 Jul 2019 08:05:10 -0700 Subject: [PATCH] rcu: Remove redundant "if" condition from rcu_gp_is_expedited() Because rcu_expedited_nesting is initialized to 1 and not decremented until just before init is spawned, rcu_expedited_nesting is guaranteed to be non-zero whenever rcu_scheduler_active == RCU_SCHEDULER_INIT. This commit therefore removes this redundant "if" equality test. Signed-off-by: Paul E. McKenney Reviewed-by: Joel Fernandes (Google) --- kernel/rcu/update.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c index 249517058b136..64e9cc8609e71 100644 --- a/kernel/rcu/update.c +++ b/kernel/rcu/update.c @@ -136,8 +136,7 @@ static atomic_t rcu_expedited_nesting = ATOMIC_INIT(1); */ bool rcu_gp_is_expedited(void) { - return rcu_expedited || atomic_read(&rcu_expedited_nesting) || - rcu_scheduler_active == RCU_SCHEDULER_INIT; + return rcu_expedited || atomic_read(&rcu_expedited_nesting); } EXPORT_SYMBOL_GPL(rcu_gp_is_expedited); -- 2.30.2