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Thu, 05 Nov 2026 08:44:04 -0800 (PST) Received: from andreayoga.localdomain ([151.43.242.194]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48fea18104bsm11441519f8f.6.2026.11.05.08.44.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Nov 2026 08:44:03 -0800 (PST) From: Andrea Parri To: Mathieu Desnoyers Cc: Andrea Parri , Juri Lelli , Peter Zijlstra , Ingo Molnar , Vincent Guittot , linux-kernel@vger.kernel.org, Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , K Prateek Nayak , Luca Abeni , Mathieu Poirier , Waiman Long , Ridong Chen , Tejun Heo , Johannes Weiner , =?UTF-8?q?Michal=20Koutn=C3=BD?= , Shuah Khan , Sebastian Andrzej Siewior , Clark Williams , Kayra Cizmeci , cgroups@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-rt-devel@lists.linux.dev Subject: Re: [PATCH v2 19/21] sched: Clear cpuset_locked where the policy check retries Date: Thu, 5 Nov 2026 17:43:55 +0100 Message-ID: <20261105164356.28913-1-parri.andrea@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261104211207.1392343-20-mathieu.desnoyers@efficios.com> References: <20261104211207.1392343-1-mathieu.desnoyers@efficios.com> <20261104211207.1392343-20-mathieu.desnoyers@efficios.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Wed, Nov 04, 2026 at 04:12:05PM -0500, Mathieu Desnoyers wrote: > The retry of the policy check in __sched_setscheduler() drops > cpuset_mutex and leaves cpuset_locked saying it is held: [...] > Clear the flag with the lock. > > Fixes: 111cd11bbc54 ("sched/cpuset: Bring back cpuset_mutex") > Signed-off-by: Mathieu Desnoyers Hi Mathieu, This is the same fix as [1], posted on Nov 2 and reviewed by Waiman, Kayra and Juri. If [1] goes in first, this patch can be dropped when rebasing. [1] https://lore.kernel.org/20261102134606.242743-1-parri.andrea@gmail.com/ Thanks, Andrea