From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH] cpuset: Allow cpuset controller in default hierarchy Date: Thu, 24 Aug 2017 07:43:22 -0700 Message-ID: <20170824144322.GP491396@devbig577.frc2.facebook.com> References: <1503585611-13496-1-git-send-email-longman@redhat.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=tR8mcJ6l06Cu0doJ2AlWeKzH6uRjGb04hVf3Jpw7DdI=; b=bu2s08PMZn7wfcaJurI0HMriwQhRcEBIRCnta0/+/RLjtfdU5Q/h+Qant+dMUwfoVS VebbgK3xiNrgMJrFVxh38HK7RfF+ABoGu1C/dTHlARXV0oRENB5e7DmVfOJTwO1aOgx9 6qIqj3DOhEqhuBAe5z9SDARsBbzwPE1Unq7dm2pZob2508e6TDznEE51iS9mLmmR5j9V LA0jghOKWrJMegf2gN3geIDDAxgfkXM6zwwdSqj0A7u9rm1iVyjLgceyjVEAhGX1a1GV MMIbOqcQnlEuNjZwhw5qbG2a15yCksUFHUeRpV4l322TjyYsXjpGPoFsv7U9Ly+G7KP6 H4Dw== Content-Disposition: inline In-Reply-To: <1503585611-13496-1-git-send-email-longman@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Waiman Long Cc: Li Zefan , Johannes Weiner , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Hello, Waiman. On Thu, Aug 24, 2017 at 10:40:11AM -0400, Waiman Long wrote: > Given the fact that thread mode is now queued for 4.14, it is now > time to enable cpuset to be used in the default hierarchy (cgroup v2) > as it is clearly threaded. I'm not sure we want things like exclusive settings in v2 as it directly violates basic hierarchy rules (a sibling shouldn't be able to affect what another sibling can or can't do). We need to think more about what should be exposed in v2. Thanks. -- tejun