linux-kernel - [PATCH 36/43] sched/smp: Use the SMP version of cpu

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250528080924.2273858-37-mingo@kernel.org>
Date: Wed, 28 May 2025 10:09:17 +0200
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Dietmar Eggemann <dietmar.eggemann@....com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Shrikanth Hegde <sshegde@...ux.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Valentin Schneider <vschneid@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mel Gorman <mgorman@...e.de>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	Juri Lelli <juri.lelli@...hat.com>
Subject: [PATCH 36/43] sched/smp: Use the SMP version of cpu_of()

Simplify the scheduler by making formerly SMP-only primitives and data
structures unconditional.

Signed-off-by: Ingo Molnar <mingo@...nel.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: Peter Zijlstra <peterz@...radead.org>
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>
---
 kernel/sched/sched.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 7c67e1ccc0ae..19808e09bd94 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1293,11 +1293,7 @@ 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
-- 
2.45.2