Re: [tip:perf/core] perf: Fix PERF_EVENT_IOC_PERIOD migration race

From: Vince Weaver
Date: Wed Aug 12 2015 - 09:42:51 EST


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@xxxxxxxxxxxxx>
> AuthorDate: Tue, 4 Aug 2015 19:22:49 +0200
> Committer: Ingo Molnar <mingo@xxxxxxxxxx>
> 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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