linux-kernel - Re: [PATCH v4 1/2] perf tool: encapsulate dsos list head into struct dsos

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Message-ID: <5429965F.2070806@hp.com>
Date:	Mon, 29 Sep 2014 13:26:55 -0400
From:	Waiman Long <waiman.long@...com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
CC:	Peter Zijlstra <peterz@...radead.org>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	Scott J Norton <scott.norton@...com>,
	Douglas Hatch <doug.hatch@...com>,
	Don Zickus <dzickus@...hat.com>, Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: Re: [PATCH v4 1/2] perf tool: encapsulate dsos list head into struct
 dsos

On 09/26/2014 10:12 AM, Arnaldo Carvalho de Melo wrote:
> Em Wed, Sep 24, 2014 at 11:45:39AM -0400, Waiman Long escreveu:
>> This is a precursor patch to enable long name searching of DSOs
>> using the rbtree. In this patch, a new dsos structure is created
>> which contains only a list head structure for the moment. The new
>> dsos structure is used, in turn, in the machine structure for the
>> user_dsos and kernel_dsos fields. Only the following 3 dsos functions
>> are modified to accept the new dsos structure parameter instead
>> of list_head:
>>   - dsos__add()
>>   - dsos__find()
>>   - __dsos__findnew()
>>
>> Because of the need to find out the corresponding dsos structure to
>> properly call dsos__add() in dso__load_sym() of util/symbol-elf.c,
>> a new dsos field is also added to the dso structure.
> What tree did you use to produce these patches? I just tried on my
> perf/core branch and I get some fuzzes:
>
> [acme@zoo linux]$ patch -p1<  /wb/1.patch
> patching file tools/perf/util/dso.c
> Hunk #1 succeeded at 755 (offset 2 lines).
> Hunk #2 succeeded at 852 (offset 2 lines).
> patching file tools/perf/util/dso.h
> patching file tools/perf/util/header.c
> patching file tools/perf/util/machine.c
> Hunk #2 succeeded at 72 (offset 2 lines).
> Hunk #3 succeeded at 477 (offset 29 lines).
> Hunk #4 succeeded at 994 (offset 29 lines).
> patching file tools/perf/util/machine.h
> Hunk #2 succeeded at 39 with fuzz 1 (offset 1 line).
> patching file tools/perf/util/probe-event.c
> patching file tools/perf/util/symbol-elf.c
> Hunk #1 succeeded at 929 (offset 13 lines).
> [acme@zoo linux]$
>
> I'll fix this up, probably harmless, just a heads up.
>
> - Arnaldo

I was using the latest linux 3.17 tree. I should have used the tip tree 
instead. I will use that if I need to sent out a new patch.

-Longman
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