linux-kernel - [PATCH] sched/core: Remove obsolete comment about SCHED

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Message-ID: <20250418081148.83343-1-arighi@nvidia.com>
Date: Fri, 18 Apr 2025 10:11:48 +0200
From: Andrea Righi <arighi@...dia.com>
To: Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Juri Lelli <juri.lelli@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>
Cc: Dietmar Eggemann <dietmar.eggemann@....com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ben Segall <bsegall@...gle.com>,
	Mel Gorman <mgorman@...e.de>,
	Valentin Schneider <vschneid@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] sched/core: Remove obsolete comment about SCHED_DEBUG

Now that SCHED_DEBUG is always implicitly enabled, the comment about
having multiple sysctl_sched_features in each compilation unit is no
longer accurate and it can be misleading, so drop it for clarity.

Fixes: dd5bdaf2b72da ("sched/debug: Make CONFIG_SCHED_DEBUG functionality unconditional")
Signed-off-by: Andrea Righi <arighi@...dia.com>
---
 kernel/sched/core.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c81cf642dba05..51370ab9fe7e4 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -120,10 +120,6 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);
 
 /*
  * Debugging: various feature bits
- *
- * If SCHED_DEBUG is disabled, each compilation unit has its own copy of
- * sysctl_sched_features, defined in sched.h, to allow constants propagation
- * at compile time and compiler optimization based on features default.
  */
 #define SCHED_FEAT(name, enabled)	\
 	(1UL << __SCHED_FEAT_##name) * enabled |
-- 
2.49.0