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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 Subject: [PATCH v6 15/29] sched/clock: Mark sched_clock_running key as __ro_after_init Date: Fri, 10 Oct 2025 17:38:25 +0200 Message-ID: <20251010153839.151763-16-vschneid@redhat.com> In-Reply-To: <20251010153839.151763-1-vschneid@redhat.com> References: <20251010153839.151763-1-vschneid@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 X-Rspam-User: X-Stat-Signature: jtfnoew6y6mydcpb8uh9f1kpt658g1fn X-Rspamd-Queue-Id: 53440140002 X-Rspamd-Server: rspam09 X-HE-Tag: 1760111090-166957 X-HE-Meta: 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 Hm7vbxQL PKY7hNrcaMuLQ5ybztsxPlgDpUsS/xzAZbA2ULR06WWSPRZQQJJ+vcpe2+3GC/n9CpoNxQ3BUrUvm4VtDK2zmUSrE7mOdY3jR8LaWpFiQs1uF3TUcmK9A/QdGiQsGaA5JJJiHYa0T3yMGV6ItQr5IfqL+4lRR6eTPHyOTYxX6NGEI0OM3H3lZhM7WAvJhhymR/AyZAtiuHXlVUjBx4IfCs62H3ZGWwfQUMA6E6+on0/nXTMydDUNvJmFIOI05PESJ23A65Fi/1kwTRZOX3Oecc9QBfyJ4hVj9NSESMW+66Ak/7/7JyfW98MlNRS509DI5mQlAtVCqHUjYWbHW5PmY7r6QuLyGIOLRTi3EpFcFBbFXtyJGkECdo9fjFv8TcEJxDCUjQR8kF6Sghp9AdW8vY4BIFk2UzYInJtjqI5hkltc0QGlimFcj2G5NRXKsfCqeh/8neXjz5KF3NqF3H62ff+CLxIDpKhwu9AlA 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