linux-kernel - Re: [PATCH V10 1/7] perf: Save PMU specific data in task

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Message-ID: <65ef0526-b613-4db5-bd27-d572299284b6@linux.intel.com>
Date: Mon, 24 Mar 2025 10:07:28 -0400
From: "Liang, Kan" <kan.liang@...ux.intel.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: mingo@...hat.com, tglx@...utronix.de, bp@...en8.de, acme@...nel.org,
 namhyung@...nel.org, irogers@...gle.com, linux-kernel@...r.kernel.org,
 ak@...ux.intel.com, eranian@...gle.com
Subject: Re: [PATCH V10 1/7] perf: Save PMU specific data in task_struct

Hi Peter,

Sorry for the late response. I was on vacation last week.
> 
> Kan, can you please do a patch failing perf_pmu_register() is there's
> more than one pmu with one of the kmem_cache things on?
> 
> Because the current thing very much cannot deal with that case.

Sure, I will do more tests with register failing cases and report back.

Thanks,
Kan