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Re: [Qemu-devel] [PATCH for-2.12 v3 2/2] i386/hyperv: error out if featu
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From: |
Eduardo Habkost |
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Subject: |
Re: [Qemu-devel] [PATCH for-2.12 v3 2/2] i386/hyperv: error out if features requested but unsupported |
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Date: |
Fri, 30 Mar 2018 16:40:53 -0300 |
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User-agent: |
Mutt/1.9.2 (2017-12-15) |
On Fri, Mar 30, 2018 at 08:02:09PM +0300, Roman Kagan wrote:
> In order to guarantee compatibility on migration, QEMU should have
> complete control over the features it announces to the guest via CPUID.
>
> However, for a number of Hyper-V-related cpu properties, if the
> corresponding feature is not supported by the underlying KVM, the
> propery is silently ignored and the feature is not announced to the
> guest.
>
> Refuse to start with an error instead.
>
> Signed-off-by: Roman Kagan <address@hidden>
Reviewed-by: Eduardo Habkost <address@hidden>
--
Eduardo