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Message-ID: <3945912b-580b-d1bc-35f8-9debdffe9b15@amd.com>
Date: Mon, 17 Oct 2022 15:03:42 +0530
From: Ravi Bangoria <ravi.bangoria@....com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: acme@...nel.org, alexander.shishkin@...ux.intel.com,
jolsa@...hat.com, namhyung@...nel.org, songliubraving@...com,
eranian@...gle.com, ak@...ux.intel.com, mark.rutland@....com,
frederic@...nel.org, maddy@...ux.ibm.com, irogers@...gle.com,
will@...nel.org, robh@...nel.org, mingo@...hat.com,
catalin.marinas@....com, ndesaulniers@...gle.com,
srw@...dewatkins.net, linux-arm-kernel@...ts.infradead.org,
linux-perf-users@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
sandipan.das@....com, ananth.narayan@....com, kim.phillips@....com,
santosh.shukla@....com, Ravi Bangoria <ravi.bangoria@....com>
Subject: Re: [PATCH v2] perf: Rewrite core context handling
On 14-Oct-22 3:26 PM, Ravi Bangoria wrote:
> On 13-Oct-22 4:29 PM, Peter Zijlstra wrote:
>> On Thu, Oct 13, 2022 at 03:37:23PM +0530, Ravi Bangoria wrote:
>>
>>>> - refcount_t refcount;
>>>> + refcount_t refcount; /* event <-> ctx */
>>>
>>> Ok. We need to remove all those // XXX get/put_ctx() from code
>>> which we added to make refcount a pmu_ctx <-> ctx.
>>
>> Them already gone :-) I've not yet fixed up the typoes, but current
>> version should be here:
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/log/?h=perf/core
>>
>> Thanks!
>
> I've been running perf-fuzzer on Xeon machine since yesterday and I don't see any
> issue. Will do the same on my AMD machine as well over the weekend.
Only one WARN_ON() hit. Otherwise all good.
https://lore.kernel.org/lkml/8d91528b-e830-6ad0-8a92-621ce9f944ca@amd.com
Thanks,
Ravi
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