From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Jackson Subject: Re: [PATCH 3 of 4 v6/leftover] libxl: have NUMA placement deal with cpupools Date: Mon, 23 Jul 2012 12:38:57 +0100 Message-ID: <20493.14289.247199.667130@mariner.uk.xensource.com> References: <79c526d95431d6e6c7c2.1342833743@Solace> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <79c526d95431d6e6c7c2.1342833743@Solace> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Dario Faggioli Cc: Andre Przywara , Ian Campbell , Stefano Stabellini , George Dunlap , Juergen Gross , xen-devel List-Id: xen-devel@lists.xenproject.org Dario Faggioli writes ("[PATCH 3 of 4 v6/leftover] libxl: have NUMA placement deal with cpupools"): > In such a way that only the cpus belonging to the cpupool of the > domain being placed are considered for the placement itself. > > This happens by filtering out all the nodes in which the cpupool > has not any cpu from the placement candidates. After that ---as > cpu pooling not necessarily happens at NUMA nodes boundaries--- we > also make sure only the actual cpus that are part of the pool are > considered when counting how much processors a placement candidate > provides. Is this patch essential for the 4.2 release ? Ian.