[tip: sched/core] sched/smp: Use the SMP version of rq_pin_lock()

[tip-bot2 for Ingo Molnar]

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     703b8e8545c7ca88002164d6c119c49e8ee9b137
Gitweb:        https://git.kernel.org/tip/703b8e8545c7ca88002164d6c119c49e8ee9b137
Author:        Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate:    Wed, 28 May 2025 10:09:19 +02:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Fri, 13 Jun 2025 08:47:22 +02:00

sched/smp: Use the SMP version of rq_pin_lock()

Simplify the scheduler by making a CONFIG_SMP-only warning
in rq_pin_lock() unconditional.

Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Acked-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Dietmar Eggemann <dietmar.eggemann@xxxxxxx>
Cc: Juri Lelli <juri.lelli@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Cc: Shrikanth Hegde <sshegde@xxxxxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Valentin Schneider <vschneid@xxxxxxxxxx>
Cc: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20250528080924.2273858-39-mingo@xxxxxxxxxx
---
 kernel/sched/sched.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index b184c3d..f4bac9f 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1745,9 +1745,7 @@ static inline void rq_pin_lock(struct rq *rq, struct rq_flags *rf)
 
 	rq->clock_update_flags &= (RQCF_REQ_SKIP|RQCF_ACT_SKIP);
 	rf->clock_update_flags = 0;
-#ifdef CONFIG_SMP
 	WARN_ON_ONCE(rq->balance_callback && rq->balance_callback != &balance_push_callback);
-#endif
 }
 
 static inline void rq_unpin_lock(struct rq *rq, struct rq_flags *rf)