Messages in this thread |  | | Date | Thu, 11 Jan 2018 21:01:48 +1100 | From | Paul Mackerras <> | Subject | Re: [PATCH] KVM: PPC: Book3S HV: Remove vcpu->arch.dec usage |
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On Tue, Dec 19, 2017 at 03:56:24PM +0100, Alexander Graf wrote: > On Book3S in HV mode, we don't use the vcpu->arch.dec field at all. > Instead, all logic is built around vcpu->arch.dec_expires. > > So let's remove the one remaining piece of code that was setting it. > > Signed-off-by: Alexander Graf <agraf@suse.de>
Thanks, applied to my kvm-ppc-next branch.
> Looking through the DEC logic, I fail to see any code that allows > save or restore of DEC. Do we maybe miss out on that register for > (live) migration?
Yes, it looks like we do. I'm amazed no-one has noticed before. I'll fix it.
Paul.
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