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Tue, 03 Nov 2026 03:29:43 -0800 (PST) X-Received: by 2002:a05:600c:1f93:b0:49f:ce78:356d with SMTP id 5b1f17b1804b1-4ac180f2fd3mr305846255e9.30.1793705383088; Tue, 03 Nov 2026 03:29:43 -0800 (PST) Received: from jlelli-thinkpadt14gen4.remote.csb ([151.29.158.90]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4b2aa38bb4asm49981275e9.6.2026.11.03.03.29.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Nov 2026 03:29:42 -0800 (PST) Date: Tue, 3 Nov 2026 12:29:40 +0100 From: Juri Lelli To: Tejun Heo Cc: Peter Zijlstra , Ingo Molnar , Vincent Guittot , Dietmar Eggemann , Valentin Schneider , K Prateek Nayak , Luca Abeni , Andrea Righi , sched-ext@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: sched/deadline: total_bw leak when a task leaves SCHED_DEADLINE while not queued Message-ID: References: <2b5fb3f22bca6aa383be8f4781923392@kernel.org> <1a24bcdde0bb6e4a8c839351002e841d@kernel.org> <0c5a32d85c3bf4d9fa3bacafa510b51f@kernel.org> 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-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0c5a32d85c3bf4d9fa3bacafa510b51f@kernel.org> On 02/11/26 06:34, Tejun Heo wrote: > Hello, Juri. > > On Mon, Nov 02, 2026 at 12:15:41PM +0100, Juri Lelli wrote: > > Would you be able to re-test with the patches at > > > > https://github.com/jlelli/linux.git fix/dl-total-bw-leak > > On 473adf013e43, all three are fixed. > > Tested-by: Tejun Heo > > > BTW, it looks like I could verify with reproducers I pushed to > > https://github.com/jlelli/sched-deadline-tests/commits/fix/dl-total-bw-leak-reproducer > > but I'm not sure if they are similar/equivalent to what you have at your > > end. > > They cover the same cases as mine. Thanks for testing! Series (including additional fixes) sent out as 20261103-b4-sched-dl-bw-fixes-v1-0-dd761fe005b4@redhat.com Best, Juri