linux-kernel - Re: [PATCH] perf/x86/amd: Reject branch stack for IBS events

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Message-ID: <3d70b52f-2042-328c-6dc7-37fcbb3510a2@amd.com>
Date:   Fri, 24 Nov 2023 09:30:37 +0530
From:   Ravi Bangoria <ravi.bangoria@....com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Namhyung Kim <namhyung@...nel.org>
Cc:     Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Stephane Eranian <eranian@...gle.com>,
        Ingo Molnar <mingo@...nel.org>,
        Ravi Bangoria <ravi.bangoria@....com>
Subject: Re: [PATCH] perf/x86/amd: Reject branch stack for IBS events

On 23-Nov-23 8:15 PM, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jun 06, 2023 at 10:08:43AM +0530, Ravi Bangoria escreveu:
>> On 03-Jun-23 1:15 AM, Namhyung Kim wrote:
>>> The AMD IBS PMU doesn't handle branch stacks, so it should not accept
>>> events with brstack.
>>>
>>> Cc: Ravi Bangoria <ravi.bangoria@....com>
>>> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
>>
>> Reviewed-by: Ravi Bangoria <ravi.bangoria@....com>
> 
> It seems this patch was not merged, can you please check?

Right. And it does not apply cleanly on peterz/queue.git/perf/core, since
surrounding code has changed.

Thanks,
Ravi