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Re: [Xen-devel] [Patch] use full-size cpumask for vcpu-pin
| To: | Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [Patch] use full-size cpumask for vcpu-pin |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Fri, 13 Aug 2010 14:21:57 +0100 |
| Cc: | Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Fri, 13 Aug 2010 06:22:47 -0700 |
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| In-reply-to: | <C88B0411.1DB38%keir.fraser@xxxxxxxxxxxxx> |
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| Thread-index: | Acs66P6ihsUYSx3hTHqLrb2bGAI6HQAAKSSBAAA3bqQ= |
| Thread-topic: | [Xen-devel] [Patch] use full-size cpumask for vcpu-pin |
| User-agent: | Microsoft-Entourage/12.24.0.100205 |
On 13/08/2010 14:15, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> wrote: > On 13/08/2010 14:11, "Ian Jackson" <Ian.Jackson@xxxxxxxxxxxxx> 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 > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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