From: Ingo Molnar <mingo@kernel.org>
To: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Vince Weaver <vincent.weaver@maine.edu>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Stephane Eranian <eranian@gmail.com>
Subject: Re: perf_event_open() ABI compatability
Date: Mon, 11 Jan 2016 12:28:02 +0100 [thread overview]
Message-ID: <20160111112802.GB4921@gmail.com> (raw)
In-Reply-To: <87fuy49zn1.fsf@ashishki-desk.ger.corp.intel.com>
* Alexander Shishkin <alexander.shishkin@linux.intel.com> wrote:
> >> Ideally we would somehow want E2BIG returned plus the size of __reserved_1 if
> >> the value of __reserved_1 is not zero. I suppose at this point in the game
> >> it's too late for this to be much help and we're going to have to work around
> >> the problem forever anyway.
> >
> > Right :/ So I was hoping some of that extended error reporting stuff from
> > Alexander Shishkin would help out with this. Not sure where that stranded -- I
> > think in the attempt to make it too generic or so.
>
> Yep. I can respin it back into perf-specific shape, so do we still want it?
Yeah, please do!
Thanks,
Ingo
prev parent reply other threads:[~2016-01-11 11:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-04 22:19 perf_event_open() ABI compatability Vince Weaver
2016-01-05 9:09 ` Peter Zijlstra
2016-01-11 10:30 ` Alexander Shishkin
2016-01-11 11:28 ` Ingo Molnar [this message]
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