linux-kernel - Re: [GIT PULL 00/16] perf/core improvements and fixes

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Message-ID: <4F39F5BC.6000605@lge.com>
Date:	Tue, 14 Feb 2012 14:48:44 +0900
From:	Namhyung Kim <namhyung.kim@....com>
To:	David Ahern <dsahern@...il.com>
CC:	Joerg Roedel <joerg.roedel@....com>,
	Namhyung Kim <namhyung@...il.com>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Andi Kleen <andi@...stfloor.org>,
	Anshuman Khandual <khandual@...ux.vnet.ibm.com>,
	Arun Sharma <asharma@...com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jason Wang <jasowang@...hat.com>, Jiri Olsa <jolsa@...hat.com>,
	Lin Ming <ming.m.lin@...el.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Roberto Agostino Vitillo <ravitillo@....gov>,
	Robert Richter <robert.richter@....com>,
	Stephane Eranian <eranian@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Vince Weaver <vweaver1@...s.utk.edu>, arnaldo.melo@...il.com,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 00/16] perf/core improvements and fixes

Hi,

2012-02-14 2:23 PM, David Ahern wrote:
> On 2/13/12 10:10 PM, Namhyung Kim wrote:
>>>
>>
>> It happened because I used old kernel version that isn't aware of the
>> exclude_guest bit. So the check on attr->__reserved_1 in
>> core.c::perf_copy_attr() failed and then ended up seeing EINVAL at
>> perf_evsel__open().
>
> comes back to 1aed2671738785e8f5aea663a6fda91aa7ef59b5 again. See
>
> https://lkml.org/lkml/2012/2/8/234
>

Thanks for the pointer, then I'll wait until the guys figure out what the 
correct fix is :)

Thanks,
Namhyung
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