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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 14:25:30 +0100 |
| Cc: | Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Fri, 13 Aug 2010 06:27:46 -0700 |
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| Thread-topic: | [Xen-devel] [Patch] use full-size cpumask for vcpu-pin |
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On 13/08/2010 14:21, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> wrote: >> 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. One suggestion: that we rename the syctl.physinfo field 'max_phys_cpus' to 'max_possible_cpus'. The 'phys' is kind of redundant since this is the physinfo sysctl, and 'possible' provides a better hint that this fields indicates maximum possible supported CPUs now and forever on this boot of the system. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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