From: Usama Arif <usama.arif@linux.dev>
To: Dmitry Ilvokhin <d@ilvokhin.com>
Cc: Usama Arif <usama.arif@linux.dev>,
Dennis Zhou <dennis@kernel.org>, Tejun Heo <tj@kernel.org>,
Christoph Lameter <cl@gentwo.org>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
Boqun Feng <boqun@kernel.org>, Waiman Long <longman@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-trace-kernel@vger.kernel.org, kernel-team@meta.com
Subject: Re: [PATCH v2 1/2] locking/percpu-rwsem: Extract __percpu_up_read()
Date: Thu, 12 Mar 2026 04:39:21 -0700 [thread overview]
Message-ID: <20260312113922.2118105-1-usama.arif@linux.dev> (raw)
In-Reply-To: <a065fd88990c0091a168b1d6715cd0cae8e9066c.1773164180.git.d@ilvokhin.com>
On Tue, 10 Mar 2026 17:49:38 +0000 Dmitry Ilvokhin <d@ilvokhin.com> wrote:
> Move the percpu_up_read() slowpath out of the inline function into a new
> __percpu_up_read() to avoid binary size increase from adding a
> tracepoint to an inlined function.
>
> Signed-off-by: Dmitry Ilvokhin <d@ilvokhin.com>
> ---
> include/linux/percpu-rwsem.h | 15 +++------------
> kernel/locking/percpu-rwsem.c | 18 ++++++++++++++++++
> 2 files changed, 21 insertions(+), 12 deletions(-)
>
> diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h
> index c8cb010d655e..39d5bf8e6562 100644
> --- a/include/linux/percpu-rwsem.h
> +++ b/include/linux/percpu-rwsem.h
> @@ -107,6 +107,8 @@ static inline bool percpu_down_read_trylock(struct percpu_rw_semaphore *sem)
> return ret;
> }
>
Acked-by: Usama Arif <usama.arif@linux.dev>
next prev parent reply other threads:[~2026-03-12 11:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-10 17:49 [PATCH v2 0/2] locking: contended_release tracepoint instrumentation Dmitry Ilvokhin
2026-03-10 17:49 ` [PATCH v2 1/2] locking/percpu-rwsem: Extract __percpu_up_read() Dmitry Ilvokhin
2026-03-12 11:39 ` Usama Arif [this message]
2026-03-10 17:49 ` [PATCH v2 2/2] locking: Add contended_release tracepoint Dmitry Ilvokhin
2026-03-12 11:38 ` Usama Arif
2026-03-16 15:32 ` Dmitry Ilvokhin
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