From: Ingo Molnar <mingo@kernel.org>
Date: Wed, 28 May 2025 08:09:17 +0000 (+0200)
Subject: sched/smp: Use the SMP version of cpu_of()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=172408811961d7facbd1ec9af66893b058d5d542;p=thirdparty%2Fkernel%2Flinux.git

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@kernel.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Shrikanth Hegde <sshegde@linux.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Valentin Schneider <vschneid@redhat.com>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20250528080924.2273858-37-mingo@kernel.org
---

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 6bc8e426f1741..234dd28e2bec6 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