From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793637246; b=MM5geuynjdxY5BOJfYQwaqXNLdksd4O6KmtMKb0+D3hq+7OUGyy/GQGm7fOPD5EEwsGO U/JdW9N8SrAGhj72AkMni6XdcD99fnmQv/GjBBhuHNrgpPFhacs8zZcEbbBioVCSC/fEw zzydktCnq+3NjgVlGXp14KyRZuu6MT8lBa9mqWO6YLh1AyqfhCmpG3OnSN+uDqQKQ2Zfg DeN492X0VkRfo3Ao8B6cLpBFob0hvVMKv+aMk5TdU2Iowa9Dh9kd4/0cLpMiE38IkugkB zRlGeDEdFcDjTiKxY1QvZbQDnhqu+Z2/SxJkA8Bh5kWZtjwPogY224TjPZ37nWzMqnw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793637246; h=Received:DKIM-Signature:Date:Message-ID:From:To:Cc:Subject: In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=QP+HE6vmuzGLbe3HdR/8wzLb/M7lRFFGRjYTgGG20kA=; b=K2g2ChlKIk7JJ5NJGMICQgPVtfH8TprAecGq4UxHhWr+03P7BR6KI4kt0SmDL3OHKenA l6copY6Vn/IRlK301JU8hEyNXCS+0euSdCPQxobxjdxFi4CctpKyym6MPGDimKHCv7n9B oagxgz5sYRZTIYxzoUNaR2LSidgQK/Jcx4iSvTGYoNYjvoqhEf7KHRjnCwQ2Jw+vpAen3 KoUnKAbRrQxVWOl9ast+4C1YTM/Aj5/S6/IP/tx+2f9patzl/IS9Sj5nK9rvCLYT9K3CY K7o6mIi5pwtHRHOGZorD1U207oKPWP2vA0dyAu9RrQI5YljzEHMV6GMgJLHXyrRaeRQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=IQev4lNV; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 27F36608B07C; Mon, 2 Nov 2026 16:34:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=IQev4lNV Received: by smtp.kernel.org (Postfix) with ESMTPSA id 931321F00A1C; Mon, 2 Nov 2026 16:34:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793637245; bh=QP+HE6vmuzGLbe3HdR/8wzLb/M7lRFFGRjYTgGG20kA=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=IQev4lNV0p4G4ZptoppRo2Q/gZwmkpt8LEC4RLvTMZNGmw5vELK/GSPheNegky6Yl Y4zkTWThFljgaaarnGRhJQUgaeVoC6C9JKb5btk6mfE6kiR5aDbc3/CswNBxmp8Okr 6V7Lrw9yBySpn+0q3N+QHMVbd2Vbg5uwG5wybrueAVf4JRH6wyiSAyhx9235nAlNSr tbF3Q3IippVT8t5TKOS5ri2MaoLWbCgUzzyK6e/F/fFrGFJghJWs2swXAe3JCQ55eN wPM3jqO84aLfyWNRfgSXz5hy/oXgwgJsfXL7Mw3oYSWsdlDxAqeBG73+b89qgs8JE6 V3FmZ2iYtAMGg== Date: Mon, 02 Nov 2026 06:34:04 -1000 Message-ID: <0c5a32d85c3bf4d9fa3bacafa510b51f@kernel.org> From: Tejun Heo To: Juri Lelli 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 In-Reply-To: References: <2b5fb3f22bca6aa383be8f4781923392@kernel.org> <1a24bcdde0bb6e4a8c839351002e841d@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-Transfer-Encoding: 7bit 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. -- tejun