linux-kernel - Re: [PATCH] perf: disable mmap2 support

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Message-ID: <52584626.4050000@gmail.com>
Date:	Fri, 11 Oct 2013 12:40:38 -0600
From:	David Ahern <dsahern@...il.com>
To:	Stephane Eranian <eranian@...gle.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	Jiri Olsa <jolsa@...hat.com>, Hugh Dickins <hughd@...gle.com>,
	Kees Cook <keescook@...omium.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] perf: disable mmap2 support

Hi Stephane:

On 10/9/13 11:40 AM, Stephane Eranian wrote:
> On Wed, Oct 9, 2013 at 7:19 PM, David Ahern <dsahern@...il.com> wrote:
>> On 10/9/13 10:39 AM, Stephane Eranian wrote:
>>>
>>> Looks like the easiest thing to do for perf is to revert:
>>>
>>>      Revert "perf tools: Add default handler for mmap2 events"
>>>      git revert 6adb0b0ae26fcc35cfec068d71f13863faac5b44
>>>
>>>      Revert "perf tools: Add attr->mmap2 support"
>>>      git revert 5c5e854bc760a2e2c878df3cfcf2afa4febcd511
>>>
>>> Do you agree?
>>
>>
>> If you want to strip all of mmap2 you also need
>> 5654a0257a86c093c2b38ea5d3ceaa17affd735b.
>>
> You mean:
> commit 384c671e33a7ddf905f2c60b433b9883f0e5a605
> Author: David Ahern <dsahern@...il.com>
> Date:   Sun Sep 22 19:44:58 2013 -0600
>
>      perf trace: Add mmap2 handler
>

Given that 3.12 rc5 will be out on Sunday and it takes time to go from 
Arnaldo to Ingo to Linus the revert patches should go out today - in 
Arnaldo's next perf/urgent request.

David

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