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Re: [Qemu-devel] [PATCH RFC 4/8] i386/kvm: Implement 'hv-all' pass-throu


From: Roman Kagan
Subject: Re: [Qemu-devel] [PATCH RFC 4/8] i386/kvm: Implement 'hv-all' pass-through mode
Date: Fri, 25 Jan 2019 12:47:41 +0000
User-agent: Mutt/1.10.1 (2018-07-13)

On Fri, Jan 25, 2019 at 12:41:51PM +0100, Vitaly Kuznetsov wrote:
> In many case we just want to give Windows guests all currently supported
> Hyper-V enlightenments and that's where this new mode may come handy. We
> pass through what was returned by KVM_GET_SUPPORTED_HV_CPUID.

How is the compatibility ensured on migration between kernels reporting
different feature sets?

Roman.



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