linux-kernel - [PATCH Fix perf cgroup problem 0/2]

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Message-Id: <20250514064758.4156497-1-luogengkun@huaweicloud.com>
Date: Wed, 14 May 2025 06:47:56 +0000
From: Luo Gengkun <luogengkun@...weicloud.com>
To: peterz@...radead.org
Cc: 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,
	kan.liang@...ux.intel.com,
	yeoreum.yun@....com,
	linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH Fix perf cgroup problem 0/2]

Fixed the issue that nr_cgroup and cpuctx->cgrp of the perf cgroup event
are not correctly updated. And Fixed the possible concurrency of
perf_cgroup_switch and perf_cgroup_event_disable.

Luo Gengkun (2):
  perf/core: Fix nr_cgroups/cpuctx->cgrp is not updated correctly
  perf/core: Fix WARN_ON_ONCE(cpuctx->ctx.nr_cgroups == 0) in
    perf_cgroup_switch

 kernel/events/core.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

-- 
2.34.1