[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [Patch] use full-size cpumask for vcpu-pin
On 10/08/2010 15:11, "Ian Jackson" <Ian.Jackson@xxxxxxxxxxxxx> wrote: > 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. The domctl and sysctl hypercalls do not need to be backward compatible across major Xen releases. All other hypercalls absolutely do. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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