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Re: [Xen-devel] [Patch] use full-size cpumask for vcpu-pin
| To: | Juergen Gross <juergen.gross@xxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [Patch] use full-size cpumask for vcpu-pin |
| From: | Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> |
| Date: | Tue, 10 Aug 2010 15:11:02 +0100 |
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| Delivery-date: | Tue, 10 Aug 2010 07:11:36 -0700 |
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Juergen Gross writes ("[Xen-devel] [Patch] use full-size cpumask for vcpu-pin"):
> The reason is the allocation of the cpumap for pinning: the size is only for
> the ACTUAL number of physical cpus in the system, not the possible number.
> The solution is to allocate a cpumap for up to NR_CPUS.
Thanks for this patch. However, this doesn't seem to be even slightly
backwards-compatible, because it changes the layout of the physinfo
sysctl response.
Ian.
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