From: Peter Zijlstra <peterz@infradead.org>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>
Subject: Re: [PATCH] sched: Warn if garbage is passed to default_wake_function()
Date: Thu, 23 Jul 2020 22:20:59 +0200 [thread overview]
Message-ID: <20200723202059.GU10769@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200723201042.18861-1-chris@chris-wilson.co.uk>
On Thu, Jul 23, 2020 at 09:10:42PM +0100, Chris Wilson wrote:
> Since the default_wake_function() passes its flags onto
> try_to_wake_up(), warn if those flags collide with internal values.
> Given that the supplied flags are garbage, no repair can be done but at
> least alert the user to the damage they are causing.
>
> In the belief that these errors should be picked up during testing, the
> warning is only compiled in under CONFIG_SCHED_DEBUG.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Juri Lelli <juri.lelli@redhat.com>
> Cc: Vincent Guittot <vincent.guittot@linaro.org>
Thanks!
next prev parent reply other threads:[~2020-07-23 20:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-23 20:10 [PATCH] sched: Warn if garbage is passed to default_wake_function() Chris Wilson
2020-07-23 20:20 ` Peter Zijlstra [this message]
2020-07-24 12:02 ` [tip: sched/core] " tip-bot2 for Chris Wilson
2020-07-24 12:44 ` [tip: sched/urgent] " tip-bot2 for Chris Wilson
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