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From: Namhyung Kim <namhyung@kernel.org>
To: Suzuki K Poulose <suzuki.poulose@arm.com>,
	Mike Leach <mike.leach@linaro.org>,
	James Clark <james.clark@arm.com>,
	John Garry <john.g.garry@oracle.com>,
	Will Deacon <will@kernel.org>,
	Leo Yan <leo.yan@linux.dev>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	coresight@lists.linaro.org,
	linux-arm-kernel@lists.infradead.org,
	linux-perf-users@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Yicong Yang <yangyicong@huawei.com>,
	Ian Rogers <irogers@google.com>
Subject: Re: [PATCH v1] perf arm: Workaround ARM PMUs cpu maps having offline cpus
Date: Mon, 24 Jun 2024 10:50:17 -0700
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On Thu, 06 Jun 2024 23:53:43 -0700, Ian Rogers wrote:

> When PMUs have a cpu map in the 'cpus' or 'cpumask' file, perf will
> try to open events on those CPUs. ARM doesn't remove offline CPUs
> meaning taking a CPU offline will cause perf commands to fail unless a
> CPU map is passed on the command line.
> 
> More context in:
> https://lore.kernel.org/lkml/20240603092812.46616-1-yangyicong@huawei.com/
> 
> [...]

Applied to perf-tools-next, thanks!

Best regards,
Namhyung