linux-kernel - Re: [tip:perf/core] perf: Fix PERF_EVENT_IOC

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Message-ID: <alpine.DEB.2.20.1508120947360.24663@vincent-weaver-1.umelst.maine.edu>
Date:	Wed, 12 Aug 2015 09:49:40 -0400 (EDT)
From:	Vince Weaver <vincent.weaver@...ne.edu>
To:	mingo@...nel.org, tglx@...utronix.de, linux-kernel@...r.kernel.org,
	hpa@...or.com, torvalds@...ux-foundation.org, peterz@...radead.org
cc:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perf/core] perf: Fix PERF_EVENT_IOC_PERIOD migration race

On Wed, 12 Aug 2015, tip-bot for Peter Zijlstra wrote:

> Commit-ID:  c7999c6f3fed9e383d3131474588f282ae6d56b9
> Gitweb:     http://git.kernel.org/tip/c7999c6f3fed9e383d3131474588f282ae6d56b9
> Author:     Peter Zijlstra <peterz@...radead.org>
> AuthorDate: Tue, 4 Aug 2015 19:22:49 +0200
> Committer:  Ingo Molnar <mingo@...nel.org>
> CommitDate: Wed, 12 Aug 2015 11:37:22 +0200
> 
> perf: Fix PERF_EVENT_IOC_PERIOD migration race
> 
> I ran the perf fuzzer, which triggered some WARN()s which are due to
> trying to stop/restart an event on the wrong CPU.

Do you have a list of which WARNs this should fix?  Just so I can 
update my bug tracker.

Thanks,

Vince
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