From: Kim Phillips <kim.phillips@amd.com>
To: Peter Zijlstra <peterz@infradead.org>,
Paul McKenney <paulmck@kernel.org>
Cc: linux-kernel@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH] rcu,ftrace: Fix ftrace recursion
Date: Tue, 29 Sep 2020 09:43:18 -0500 [thread overview]
Message-ID: <459f3c42-4e18-0a71-fd84-122342bdb4fe@amd.com> (raw)
In-Reply-To: <20200929113340.GN2628@hirez.programming.kicks-ass.net>
On 9/29/20 6:33 AM, Peter Zijlstra wrote:
>
> Kim reported that perf-ftrace made his box unhappy. It turns out that
> commit:
>
> ff5c4f5cad33 ("rcu/tree: Mark the idle relevant functions noinstr")
>
> removed one too many notrace. Probably due to there not being a helpful
> comment.
>
> Reinstate the notrace and add a comment to avoid loosing it again.
>
> Fixes: ff5c4f5cad33 ("rcu/tree: Mark the idle relevant functions noinstr")
> Reported-by: Kim Phillips <kim.phillips@amd.com>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> ---
Tested-by: Kim Phillips <kim.phillips@amd.com>
Thanks,
Kim
prev parent reply other threads:[~2020-09-29 14:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-29 11:33 Peter Zijlstra
2020-09-29 14:31 ` Paul E. McKenney
2020-09-29 14:36 ` Steven Rostedt
2020-09-29 14:41 ` Paul E. McKenney
2020-09-29 14:54 ` Steven Rostedt
2020-09-29 16:56 ` Paul E. McKenney
2020-09-29 17:04 ` Steven Rostedt
2020-10-05 0:18 ` Paul E. McKenney
2020-09-29 14:49 ` Peter Zijlstra
2020-09-29 15:19 ` Steven Rostedt
2020-09-29 14:43 ` Kim Phillips [this message]
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