linux-kernel - [tip: sched/core] sched/smp: Use the SMP version of cpu

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Message-ID: <174980023158.406.17035812454114367831.tip-bot2@tip-bot2>
Date: Fri, 13 Jun 2025 07:37:11 -0000
From: "tip-bot2 for Ingo Molnar" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <peterz@...radead.org>,
 Dietmar Eggemann <dietmar.eggemann@....com>,
 Juri Lelli <juri.lelli@...hat.com>,
 Linus Torvalds <torvalds@...ux-foundation.org>, Mel Gorman <mgorman@...e.de>,
 Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
 Shrikanth Hegde <sshegde@...ux.ibm.com>, Steven Rostedt <rostedt@...dmis.org>,
 Valentin Schneider <vschneid@...hat.com>,
 Vincent Guittot <vincent.guittot@...aro.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: sched/core] sched/smp: Use the SMP version of cpu_of()

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@...nel.org>
AuthorDate:    Wed, 28 May 2025 10:09:17 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
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@...nel.org>
Acked-by: Peter Zijlstra <peterz@...radead.org>
Cc: Dietmar Eggemann <dietmar.eggemann@....com>
Cc: Juri Lelli <juri.lelli@...hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Mel Gorman <mgorman@...e.de>
Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: Shrikanth Hegde <sshegde@...ux.ibm.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Valentin Schneider <vschneid@...hat.com>
Cc: Vincent Guittot <vincent.guittot@...aro.org>
Link: https://lore.kernel.org/r/20250528080924.2273858-37-mingo@kernel.org
---
 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