linux-kernel - Re: perf: race with automatic rdpmc() disabling

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Message-ID: <alpine.DEB.2.20.1703160134290.32639@macbook-air>
Date:   Thu, 16 Mar 2017 01:35:05 -0400 (EDT)
From:   Vince Weaver <vincent.weaver@...ne.edu>
To:     Andy Lutomirski <luto@...capital.net>
cc:     Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: perf: race with automatic rdpmc() disabling

On Wed, 15 Mar 2017, Andy Lutomirski wrote:

> Can you give this a try:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/commit/?h=x86/fixes&id=9edb8154863ba1a7f6f1f15ffe6aecf3cf32bf21
> 
> (The link doesn't work yet but it should in a minute or two.)

I've tested it and I am unable to reproduce the problem with the patch 
applied.

Vince