linux-kernel - Re: [PATCH v3] perf/x86/rapl: Fix the energy-pkg event for AMD CPUs

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Message-ID: <e6dcf103-56a3-4d55-a7ca-9abf06a0f893@amd.com>
Date: Tue, 10 Sep 2024 14:31:02 +0530
From: Dhananjay Ugwekar <Dhananjay.Ugwekar@....com>
To: Ingo Molnar <mingo@...nel.org>
Cc: "Liang, Kan" <kan.liang@...ux.intel.com>, peterz@...radead.org,
 mingo@...hat.com, acme@...nel.org, namhyung@...nel.org,
 mark.rutland@....com, alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
 irogers@...gle.com, adrian.hunter@...el.com, tglx@...utronix.de,
 bp@...en8.de, dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
 gautham.shenoy@....com, ravi.bangoria@....com,
 linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] perf/x86/rapl: Fix the energy-pkg event for AMD CPUs

On 9/9/2024 3:02 PM, Ingo Molnar wrote:
> 
> * Dhananjay Ugwekar <Dhananjay.Ugwekar@....com> wrote:
> 
>>>>> Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@....com>
>>>>
>>>> Reviewed-by: Kan Liang <kan.liang@...ux.intel.com>
>>>
>>> Note that I just merged the older v2 version into perf/urgent
>>
>> I'm not able to find the v2 version in perf/urgent right now, tip-bot had given the below link before
>> https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=8d72eba1cf8cecd76a2b4c1dd7673c2dc775f514.
>> Have we changed our decision about keeping the v2 for backporting and "revert v2 + apply v4" post the PMU scope patchset?
> 
> Yeah, so initially I thought that this comment of yours applied to -v2 as 
> well:
> 
>  https://lore.kernel.org/all/b34e30bc-a003-4529-bcfe-8189ca7ddc5b@amd.com
> 
> ... but in hindsight, it's -v3 specific, right?

Yes, it is only applicable to v3 and I had posted v4 to fix this and now posted v5 to rebase v4 on top of a recent fix 
in the PMU scope patchset(https://lore.kernel.org/all/8c09633c-5bf2-48a2-91a6-a0af9b9f2e8c@linux.intel.com/)

v5 Link: https://lore.kernel.org/linux-perf-users/20240910085504.204814-1-Dhananjay.Ugwekar@amd.com/T/#u,

Please "revert v2 + apply v5" post the kan.liang's PMU scope patchset.

> 
> So I've restored -v2 and it should go to Linus this week if all goes well.

Thanks!,

Dhananjay

> 
> Thanks,
> 
> 	Ingo