Message ID | 20250114175143.81438-16-vschneid@redhat.com (mailing list archive) |
---|---|
State | New |
Headers | show
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Peter Anvin" <hpa@zytor.com>, Peter Zijlstra <peterz@infradead.org>, Arnaldo Carvalho de Melo <acme@kernel.org>, Namhyung Kim <namhyung@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>, Adrian Hunter <adrian.hunter@intel.com>, "Liang, Kan" <kan.liang@linux.intel.com>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Josh Poimboeuf <jpoimboe@kernel.org>, Pawan Gupta <pawan.kumar.gupta@linux.intel.com>, Sean Christopherson <seanjc@google.com>, Paolo Bonzini <pbonzini@redhat.com>, Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Frederic Weisbecker <frederic@kernel.org>, "Paul E. McKenney" <paulmck@kernel.org>, Jason Baron <jbaron@akamai.com>, Steven Rostedt <rostedt@goodmis.org>, Ard Biesheuvel <ardb@kernel.org>, Neeraj Upadhyay <neeraj.upadhyay@kernel.org>, Joel Fernandes <joel@joelfernandes.org>, Josh Triplett <josh@joshtriplett.org>, Boqun Feng <boqun.feng@gmail.com>, Uladzislau Rezki <urezki@gmail.com>, Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, Lai Jiangshan <jiangshanlai@gmail.com>, Zqiang <qiang.zhang1211@gmail.com>, Juri Lelli <juri.lelli@redhat.com>, Clark Williams <williams@redhat.com>, Yair Podemsky <ypodemsk@redhat.com>, Tomas Glozar <tglozar@redhat.com>, Vincent Guittot <vincent.guittot@linaro.org>, Dietmar Eggemann <dietmar.eggemann@arm.com>, Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>, Kees Cook <kees@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Christoph Hellwig <hch@infradead.org>, Shuah Khan <shuah@kernel.org>, Sami Tolvanen <samitolvanen@google.com>, Miguel Ojeda <ojeda@kernel.org>, Alice Ryhl <aliceryhl@google.com>, "Mike Rapoport (Microsoft)" <rppt@kernel.org>, Samuel Holland <samuel.holland@sifive.com>, Rong Xu <xur@google.com>, Nicolas Saenz Julienne <nsaenzju@redhat.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Yosry Ahmed <yosryahmed@google.com>, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>, "Masami Hiramatsu (Google)" <mhiramat@kernel.org>, Jinghao Jia <jinghao7@illinois.edu>, Luis Chamberlain <mcgrof@kernel.org>, Randy Dunlap <rdunlap@infradead.org>, Tiezhu Yang <yangtiezhu@loongson.cn> Subject: [PATCH v4 15/30] sched/clock: Mark sched_clock_running key as __ro_after_init Date: Tue, 14 Jan 2025 18:51:28 +0100 Message-ID: <20250114175143.81438-16-vschneid@redhat.com> In-Reply-To: <20250114175143.81438-1-vschneid@redhat.com> References: <20250114175143.81438-1-vschneid@redhat.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: <bpf.vger.kernel.org> List-Subscribe: <mailto:bpf+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:bpf+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 |
Series |
context_tracking,x86: Defer some IPIs until a user->kernel transition
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expand
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Context | Check | Description |
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netdev/tree_selection | success | Not a local patch |
diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c index a09655b481402..200e5568b9894 100644 --- a/kernel/sched/clock.c +++ b/kernel/sched/clock.c @@ -66,7 +66,7 @@ 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 /*
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 <vschneid@redhat.com> --- kernel/sched/clock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)