From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Mike Galbraith <efault@gmx.de>, Wang Qing <wangqing@vivo.com>,
Ingo Molnar <mingo@redhat.com>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Daniel Bristot de Oliveira <bristot@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sched: swait: use wake_up_process() instead of wake_up_state()
Date: Wed, 17 Mar 2021 11:35:34 +0100 [thread overview]
Message-ID: <YFHbdojO5TtztzEn@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20210317094618.GA1724119@gmail.com>
On Wed, Mar 17, 2021 at 10:46:18AM +0100, Ingo Molnar wrote:
>
> * Mike Galbraith <efault@gmx.de> wrote:
>
> > On Tue, 2021-03-16 at 19:20 +0800, Wang Qing wrote:
> > > Why not just use wake_up_process().
> >
> > IMO this is not an improvement. There are other places where explicit
> > TASK_NORMAL is used as well, and they're all perfectly clear as is.
>
> Arguably those could all be converted to wake_up_process() as well.
> It's a very small kernel code size optimization. There's about 3 such
> places, could be converted in a single patch.
It's still pointless churn IMO.
next prev parent reply other threads:[~2021-03-17 10:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-16 11:20 [PATCH] sched: swait: use wake_up_process() instead of wake_up_state() Wang Qing
2021-03-17 4:43 ` Mike Galbraith
2021-03-17 9:46 ` Ingo Molnar
2021-03-17 10:35 ` Peter Zijlstra [this message]
2021-03-18 2:14 ` 王擎
2021-03-18 3:03 ` Mike Galbraith
2021-03-17 10:41 ` Mike Galbraith
2021-03-17 14:57 ` Thomas Gleixner
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