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[2603:800c:1a02:1bae:e24f:43ff:fee6:449f]) by smtp.gmail.com with ESMTPSA id o7sm2441165pfk.184.2022.01.26.08.49.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jan 2022 08:49:57 -0800 (PST) Sender: Tejun Heo Date: Wed, 26 Jan 2022 06:49:56 -1000 From: Tejun Heo To: Tianchen Ding Cc: Zefan Li , Johannes Weiner , Waiman Long , "Peter Zijlstra (Intel)" , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] cpuset: Fix the bug that subpart_cpus updated wrongly in update_cpumask() Message-ID: References: <20220118100518.2381118-1-dtcccc@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220118100518.2381118-1-dtcccc@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 18, 2022 at 06:05:18PM +0800, Tianchen Ding wrote: > subparts_cpus should be limited as a subset of cpus_allowed, but it is > updated wrongly by using cpumask_andnot(). Use cpumask_and() instead to > fix it. > > Fixes: ee8dde0cd2ce ("cpuset: Add new v2 cpuset.sched.partition flag") > Signed-off-by: Tianchen Ding Applied to cgroup/for-5.17-fixes. Thanks. -- tejun From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH] cpuset: Fix the bug that subpart_cpus updated wrongly in update_cpumask() Date: Wed, 26 Jan 2022 06:49:56 -1000 Message-ID: References: <20220118100518.2381118-1-dtcccc@linux.alibaba.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=qHKkyLNz3BcJqhVoJVmJSW+AQ6LC+YMbazKnt8TVUkM=; b=EqkmYvUuHqLMrlellKgtt5dH4fjRwBxeLQlg4yOHiXrlRPwkZmEvL5zjR9gsWSQj8e FH/FdYO/EASM4JiRC2XMNbbtLLaauL4WXuAHKZc0or3hXKBCPHdtOFGpP+luU0nhVRhw ISVG1N4X6ctoZfEnl3UB1LEwNQISpF5UBMCga4EdNsAAxwXm9gMzD+tjcICd2bG9L0sA Fj66vuOp0rx9m6DVJ724BgsVjrxTHV+lVjBnWgTXX25kBbEXt0zAvwtvq72HmheS7iva z/wkmZSUkSjfDI6IaTzK9NHM1ChbYGdI5oqObJRJF0ttryPec4a4MTIJ2NWrucNChbJy ugzA== Sender: Tejun Heo Content-Disposition: inline In-Reply-To: <20220118100518.2381118-1-dtcccc-KPsoFbNs7GizrGE5bRqYAgC/G2K4zDHf@public.gmane.org> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Tianchen Ding Cc: Zefan Li , Johannes Weiner , Waiman Long , "Peter Zijlstra (Intel)" , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org On Tue, Jan 18, 2022 at 06:05:18PM +0800, Tianchen Ding wrote: > subparts_cpus should be limited as a subset of cpus_allowed, but it is > updated wrongly by using cpumask_andnot(). Use cpumask_and() instead to > fix it. > > Fixes: ee8dde0cd2ce ("cpuset: Add new v2 cpuset.sched.partition flag") > Signed-off-by: Tianchen Ding Applied to cgroup/for-5.17-fixes. Thanks. -- tejun