From: Valentin Schneider <valentin.schneider@arm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, sudeep.holla@arm.com,
prime.zeng@hisilicon.com, dietmar.eggemann@arm.com,
morten.rasmussen@arm.com, mingo@kernel.org
Subject: Re: [PATCH] sched/topology: Assert non-NUMA topology masks don't (partially) overlap
Date: Thu, 16 Jan 2020 10:48:52 +0000 [thread overview]
Message-ID: <51417b97-c5c9-c0b7-d7c8-5e850acbf984@arm.com> (raw)
In-Reply-To: <20200116104428.GP2827@hirez.programming.kicks-ass.net>
On 16/01/2020 10:44, Peter Zijlstra wrote:
> On Wed, Jan 15, 2020 at 04:09:15PM +0000, Valentin Schneider wrote:
>> A "less intrusive" alternative is to assert the sd->groups list doesn't get
>> re-written, which is a symptom of such bogus topologies. I've briefly
>> tested this, you can have a look at it here:
>>
>> http://www.linux-arm.org/git?p=linux-vs.git;a=commit;h=e0ead72137332cbd3d69c9055ab29e6ffae5b37b
>
> Something like that might still make sense. Can't never be too careful,
> right ;-)
>
True. I'll ponder about it and see if I can't make it a bit neater
next prev parent reply other threads:[~2020-01-16 10:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-15 16:09 Valentin Schneider
2020-01-16 10:44 ` Peter Zijlstra
2020-01-16 10:48 ` Valentin Schneider [this message]
2020-01-16 15:19 ` Peter Zijlstra
2020-01-16 15:30 ` Valentin Schneider
2020-01-17 10:08 ` [tip: sched/core] " tip-bot2 for Valentin Schneider
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