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

[tip-bot2 for Ingo Molnar]

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

Commit-ID:     172408811961d7facbd1ec9af66893b058d5d542
Gitweb:        https://git.kernel.org/tip/172408811961d7facbd1ec9af66893b058d5d542
Author:        Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate:    Wed, 28 May 2025 10:09:17 +02:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Fri, 13 Jun 2025 08:47:22 +02:00

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

Simplify the scheduler by making CONFIG_SMP=y code in cpu_of()
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/20250528080924.2273858-37-mingo@xxxxxxxxxx
---
 kernel/sched/sched.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 6bc8e42..234dd28 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1294,11 +1294,7 @@ static inline struct rq *rq_of(struct cfs_rq *cfs_rq)
 
 static inline int cpu_of(struct rq *rq)
 {
-#ifdef CONFIG_SMP
 	return rq->cpu;
-#else
-	return 0;
-#endif
 }
 
 #define MDF_PUSH		0x01