From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: [Patch] use full-size cpumask for vcpu-pin Date: Fri, 13 Aug 2010 14:21:57 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Ian Jackson Cc: Juergen Gross , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On 13/08/2010 14:15, "Keir Fraser" wrote: > On 13/08/2010 14:11, "Ian Jackson" wrote: > >> The difficulty is, as I understand it, how to express the mask "all >> CPUs present and future". Since the number of pcpus may be very >> large. The tools presumably shouldn't pass a kilobyte of 0xff :-). > > Since Xen discards any CPUs which are not online at the time of the > setvcpuaffinity hypercall, expressing "all CPUs present and future" is a bit > pointless. Hm, no, I'm talking rubbish. Argh. Okay, his patch is fine then. :-D You can check it in to xen-unstable-tools.hg. -- Keir > -- Keir >