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Subject: Re: [PATCH] perf tools arm64: Add libdw DWARF post unwind support for
 ARM64
To:     Arnaldo Carvalho de Melo <acme@kernel.org>,
        Kim Phillips <kim.phillips@arm.com>,
        Jiri Olsa <jolsa@kernel.org>
Cc:     "Christian Hansen (chansen3)" <chansen3@cisco.com>,
        "linux-perf-users@vger.kernel.org" <linux-perf-users@vger.kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@redhat.com>,
        Namhyung Kim <namhyung@kernel.org>,
        linux-kernel@vger.kernel.org,
        Mathieu Poirier <mathieu.poirier@linaro.org>,
        "Vuille, Martin (Martin)" <vmartin@avaya.com>
References: <A5E405FE-1BA3-46FC-9A43-CF19A4B369C5@cisco.com>
 <20180226142726.cd413c792d0782f77b60a23e@arm.com>
 <20180226174040.6998bd3c0a79b2f19c491e4d@arm.com>
 <9B701F46-6AEA-48D8-9103-71D35C83776D@cisco.com>
 <20180308211030.4ee4a0d6ff6dc5cda1b567d4@arm.com>
 <20180309150627.GB8347@kernel.org>
 <20180309120720.9358515dbff3b1d1fdf70cc8@arm.com>
 <20180309182440.GA25111@kernel.org>
From:   Martin Vuille <jpmv27@aim.com>
Message-ID: <cde0e6f4-155f-3d7e-8d84-fd482f729976@aim.com>
Date:   Fri, 9 Mar 2018 13:49:50 -0500
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Hi,

I made two other submissions that may also have been overlooked:

https://patchwork.kernel.org/patch/10211401/ -- This one has the S-o-B

https://patchwork.kernel.org/patch/10211473/ -- RFC, was looking for comments, has the S-o-B


For https://patchwork.kernel.org/patch/10211483/, I'm not sure how to go about doing a reply to all.

I had some email problems and was cut-off from the list for a while.

MV


On 03/09/18 13:24, Arnaldo Carvalho de Melo wrote:
> Em Fri, Mar 09, 2018 at 12:07:20PM -0600, Kim Phillips escreveu:
>> On Fri, 9 Mar 2018 12:06:27 -0300
>> Arnaldo Carvalho de Melo <acme@kernel.org> wrote:
>>
>> Hi Arnaldo,
>>
>>> Em Thu, Mar 08, 2018 at 09:10:30PM -0600, Kim Phillips escreveu:
>>>> Based on prior work:
>>>>
>>>> https://lkml.org/lkml/2014/5/6/395
>>> Thanks, looks good, applying.
>>>
>>> Jean, is everything ok with you on this?
>> By now your email to Jean should have bounced with "The email account
>> that you tried to reach does not exist."  Removing Jean from Cc.
>>
>> It seems like you're applying patches.  There are a couple that have
>> slipped through the cracks: Can you please take a look at applying them?
>>
>> - "perf tools: Fixing uninitialised variable"
>>    https://patchwork.kernel.org/patch/10179381/
> [acme@jouet perf]$ git tag --contains d2785de15f1bd42d613d56bbac5a007e7293b874
> perf-core-for-mingo-4.17-20180216
>
> commit d2785de15f1bd42d613d56bbac5a007e7293b874
> Author:     Mathieu Poirier <mathieu.poirier@linaro.org>
> AuthorDate: Mon Feb 12 13:32:37 2018 -0700
> Commit:     Arnaldo Carvalho de Melo <acme@redhat.com>
> CommitDate: Fri Feb 16 14:55:40 2018 -0300
>
>      perf auxtrace arm: Fixing uninitialised variable
>      
>      When working natively on arm64 the compiler gets pesky and complains
>      that variable 'i' is uninitialised, something that breaks the
>      compilation.  Here no further checks are needed since variable
>      'found_spe' can only be true if variable 'i' has been initialised as
>      part of the for loop.
>      
>      Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
>      Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
>      Cc: Jin Yao <yao.jin@linux.intel.com>
>      Cc: Namhyung Kim <namhyung@kernel.org>
>      Cc: Peter Zijlstra <peterz@infradead.org>
>      Cc: linux-arm-kernel@lists.infradead.org
>      Link: http://lkml.kernel.org/r/1518467557-18505-4-git-send-email-mathieu.poirier@linaro.org
>      Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
>
> diff --git a/tools/perf/arch/arm/util/auxtrace.c b/tools/perf/arch/arm/util/auxtrace.c
> index 2323581b157d..fa639e3e52ac 100644
> --- a/tools/perf/arch/arm/util/auxtrace.c
> +++ b/tools/perf/arch/arm/util/auxtrace.c
> @@ -68,7 +68,7 @@ struct auxtrace_record
>          bool found_spe = false;
>          static struct perf_pmu **arm_spe_pmus = NULL;
>          static int nr_spes = 0;
> -       int i;
> +       int i = 0;
>   
>> - "perf unwind: Report error from dwfl_attach_state"
>>    https://patchwork.kernel.org/patch/10211483/
>>    [Martin, I guess it would help if you replied-all that patch and
>>     added your signed-off-by.]
> Right, the S-o-B is needed
>   
>> - "perf unwind: Unwind with libdw doesn't take symfs into account"
>>    https://patchwork.kernel.org/patch/10211599/
> This one has the S-o-B, applying, Jiri, holler if you disagree,
>
> - Arnaldo
>   
>> Thanks,
>>
>> Kim
> --
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