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Re: [PATCH] target/i386: add VMX features to named CPU models
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From: |
Eduardo Habkost |
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Subject: |
Re: [PATCH] target/i386: add VMX features to named CPU models |
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Date: |
Wed, 20 Nov 2019 15:45:33 -0300 |
On Wed, Nov 20, 2019 at 06:37:53PM +0100, Paolo Bonzini wrote:
> This allows using "-cpu Haswell,+vmx", which we did not really want to
> support in QEMU but was produced by Libvirt when using the "host-model"
> CPU model.
I understand guest ABI compatibility is not a concern, but I
don't remember how we guarantee it won't break by accident if
somebody tries to live migrate a VM.
What is supposed to happen today if trying to live migrate a VM
using "-cpu Haswell,+vmx"?
--
Eduardo