linux-kernel - Re: [PATCH] perf: Fix inheritance of aux

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <875zl061mm.fsf@ashishki-desk.ger.corp.intel.com>
Date:   Mon, 07 Oct 2019 18:01:21 +0300
From:   Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        alexander.shishkin@...ux.intel.com
Subject: Re: [PATCH] perf: Fix inheritance of aux_output groups

Ingo Molnar <mingo@...nel.org> writes:

> * Alexander Shishkin <alexander.shishkin@...ux.intel.com> wrote:
>
>> Commit
>> 
>>   b43762ef010 ("perf: Allow normal events to output AUX data")
>
> Missing 'a', the proper SHA1 is:
>
>     ab43762ef010 ("perf: Allow normal events to output AUX data")
>
> :-)

Ouch, sorry about that.

> Could this explain weird 'perf top' failures I'm seeing on my desktop, 
> which I was just about to debug and report?

Unlikely; to trigger the above you'd have to manually enable the
aux_output thingy and that would require HW support to begin with.

Thanks,
--
Alex