linux-kernel - Re: [PATCH v2 0/5] perf, bts: Fallout from the fuzzer for perf/urgent

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Message-ID: <87k2enk1al.fsf@ashishki-desk.ger.corp.intel.com>
Date:   Wed, 07 Sep 2016 21:33:22 +0300
From:   Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:     Vince Weaver <vince@...ter.net>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        eranian@...gle.com, Arnaldo Carvalho de Melo <acme@...radead.org>,
        vincent.weaver@...ne.edu
Subject: Re: [PATCH v2 0/5] perf, bts: Fallout from the fuzzer for perf/urgent

Vince Weaver <vince@...ter.net> writes:

> On Wed, 7 Sep 2016, Alexander Shishkin wrote:
>
>> Sure. And yes, I did catch a warning, which calls for one more patch
>> (below). Also one unrelated thing in PEBS that Peter fixed.
>
> Does that fix this which I just got on my skylake machine (4.8-rc5 with 
> your other 5 patches applied)
>
> [ 5351.822559] WARNING: CPU: 3 PID: 19191 at arch/x86/events/intel/bts.c:344 event_function+0xa1/0x160

Yes, it fixes a problem that triggered this warning. Can't tell from the
absence of backtrace what's going on here, though.

Regards,
--
Alex