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Re: [Qemu-devel] ARM CPU affinities
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From: |
Pavel Fedin |
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Subject: |
Re: [Qemu-devel] ARM CPU affinities |
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Date: |
Mon, 28 Sep 2015 14:49:41 +0300 |
Hello!
> NB that as the comment says KVM currently imposes its own numbering
> anyway -- if you care about that you need to get the kernel to
> support having userspace tell it about affinity numbering.
Yes. You cannot set MPIDR values for the KVM, because upon reset they are
reverted to something which KVM thinks must be. IIRC it is 16 CPUs per cluster,
starting from 0:0. So, currently you can do whatever you want only for TCG.
Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia
Re: [Qemu-devel] ARM CPU affinities, Peter Crosthwaite, 2015/09/29