From: Steven Rostedt <rostedt@goodmis.org>
To: Anders Roxell <anders.roxell@linaro.org>
Cc: mingo@redhat.com, catalin.marinas@arm.com, will.deacon@arm.com,
keescook@chromium.org, arnd@arndb.de,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] tracing: add cond_resched to ftrace_replace_code()
Date: Tue, 4 Dec 2018 14:21:42 -0500 [thread overview]
Message-ID: <20181204142142.4e2e2169@vmware.local.home> (raw)
In-Reply-To: <20181204141908.76e7afa5@vmware.local.home>
On Tue, 4 Dec 2018 14:19:08 -0500
Steven Rostedt <rostedt@goodmis.org> wrote:
> > @@ -2435,6 +2438,13 @@ void __weak ftrace_replace_code(int enable)
> > /* Stop processing */
> > return;
> > }
> > + /*
> > + * Some archs calls this function with interrupts or preemption
> > + * disabled. Howeve, other archs don't and this can cause a
typo "However". But could you write it this way:
"However, for other archs that can preempt, this can cause an
tremendous unneeded latency."
Thanks!
-- Steve
> > + * tremendous unneeded latency.
> > + */
>
> Actually, could you move the comment up where schedulable gets set?
>
> Thanks!
>
> -- Steve
>
> > + if (schedulable)
> > + cond_resched();
> > } while_for_each_ftrace_rec();
> > }
> >
>
next prev parent reply other threads:[~2018-12-04 19:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-04 19:12 [PATCH] tracing: add cond_resched to ftrace_replace_code() Anders Roxell
2018-12-04 19:19 ` Steven Rostedt
2018-12-04 19:21 ` Steven Rostedt [this message]
2018-12-04 19:25 ` Anders Roxell
2018-12-04 19:29 ` Steven Rostedt
2018-12-04 19:34 ` Anders Roxell
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