[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xen: migrate vcpus only when needed
> Currently, when pinning vcpus, the target vcpu is migrated to the first > bit in the new cpumask even if the vcpu's current process is included in > the new mask. This produces a non-obvious side-effect when pinning > vcpus. How is that non-obvious? You specify a set of CPUs on which you are happy for that VCPU to run and Xen may run the VCPU on any of those CPUs at any time. The current implementation's decision to change the CPU binding the moment you specify the set of CPUs, and always choose the lowest one, is perfectly reasonable given the specification of that interface. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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