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Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Arnaldo Carvalho de Melo , Josh Poimboeuf , Paolo Bonzini , Arnd Bergmann , Frederic Weisbecker , "Paul E. McKenney" , Jason Baron , Steven Rostedt , Ard Biesheuvel , Sami Tolvanen , "David S. Miller" , Neeraj Upadhyay , Joel Fernandes , Josh Triplett , Boqun Feng , Uladzislau Rezki , Mathieu Desnoyers , Mel Gorman , Andrew Morton , Masahiro Yamada , Han Shen , Rik van Riel , Jann Horn , Dan Carpenter , Oleg Nesterov , Juri Lelli , Clark Williams , Yair Podemsky , Marcelo Tosatti , Daniel Wagner , Petr Tesarik , Shrikanth Hegde Subject: [PATCH v7 15/31] sched/clock: Mark sched_clock_running key as __ro_after_init Date: Fri, 14 Nov 2025 16:01:17 +0100 Message-ID: <20251114150133.1056710-16-vschneid@redhat.com> In-Reply-To: <20251114150133.1056710-1-vschneid@redhat.com> References: <20251114150133.1056710-1-vschneid@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-Rspamd-Queue-Id: 0A6E4A0027 X-Stat-Signature: 184gr4ccg9c4n37rz8pcfuyw1sue6dbu X-Rspamd-Server: rspam02 X-Rspam-User: X-HE-Tag: 1763132766-11033 X-HE-Meta: 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 2g0WjjbT JG7nCZyf6Rh46Pjhf40WyB9tCFCK6URElTUH6fSCHa25jk99X/rYBFYZzz0qSMptN7KCgbZob9+SxhiHcNDW+pZbHYcxl+3l4WTs/2k1nRoHEl1rlLhlWAQc504C32zdbNlf0OfLQS50uA77eCa+rdnEPWFDORiQOOTz1FTBcd7n2YgBCv0dr6NSwoxpubLZDBFqCOuGjQNAQCMWiN+EJSmlSg7ejlr1vZ99QzsSgeasu6mm9G15FGAiY7f+MHccXru6vlDK2m4jCthx1fJWa7t/COCrvnGM1EXr1qQubuLEDcLTzsvQ9Gpatue0/exN7ZzgpwWJSENVEcERgImUjnfSJvhowH05s17T3EvBLEDEca4TcYX5pjl3gH/27HyYy1XgkGLoadOdq3SCYYlX8c+LjWXpCQqh+xkrHiGCmvPvhyNdesEgVpV1l6+A96CM6yR8tvFWWlf2FBs015KKl8JQc/8Zb9vZdecZU X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: sched_clock_running is only ever enabled in the __init functions sched_clock_init() and sched_clock_init_late(), and is never disabled. Mark it __ro_after_init. Signed-off-by: Valentin Schneider --- kernel/sched/clock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c index f5e6dd6a6b3af..c1a028e99d2cd 100644 --- a/kernel/sched/clock.c +++ b/kernel/sched/clock.c @@ -69,7 +69,7 @@ notrace unsigned long long __weak sched_clock(void) } EXPORT_SYMBOL_GPL(sched_clock); -static DEFINE_STATIC_KEY_FALSE(sched_clock_running); +static DEFINE_STATIC_KEY_FALSE_RO(sched_clock_running); #ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK /* -- 2.51.0