From: Ingo Molnar <mingo@kernel.org>
Date: Wed, 28 May 2025 08:09:21 +0000 (+0200)
Subject: sched/smp: Use the SMP version of WF_ and SD_ flag sanity checks
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0203244600b2f48c7074a9d439789d8d1152d3e1;p=thirdparty%2Flinux.git

sched/smp: Use the SMP version of WF_ and SD_ flag sanity checks

Simplify the scheduler by making CONFIG_SMP=y asserts related
to WF_ and SD_ flags 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/20250528080924.2273858-41-mingo@kernel.org
---

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 7490473a73aa3..d8c78ee73d129 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2261,11 +2261,9 @@ static inline int task_on_rq_migrating(struct task_struct *p)
 #define WF_CURRENT_CPU		0x40 /* Prefer to move the wakee to the current CPU. */
 #define WF_RQ_SELECTED		0x80 /* ->select_task_rq() was called */
 
-#ifdef CONFIG_SMP
 static_assert(WF_EXEC == SD_BALANCE_EXEC);
 static_assert(WF_FORK == SD_BALANCE_FORK);
 static_assert(WF_TTWU == SD_BALANCE_WAKE);
-#endif
 
 /*
  * To aid in avoiding the subversion of "niceness" due to uneven distribution