Re: [PATCH v10 10/19] KVM: xen: (re-)initialize shared_info if guest (32/64-bit) mode is set

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On Mon, 2023-12-04 at 14:43 +0000, Paul Durrant wrote:
> From: Paul Durrant <pdurrant@xxxxxxxxxx>
> 
> If the shared_info PFN cache has already been initialized then the content
> of the shared_info page needs to be (re-)initialized whenever the guest
> mode is (re)set.
> Setting the guest mode is either done explicitly by the VMM via the
> KVM_XEN_ATTR_TYPE_LONG_MODE attribute, or implicitly when the guest writes
> the MSR to set up the hypercall page.
> 
> Signed-off-by: Paul Durrant <pdurrant@xxxxxxxxxx>


Reviewed-by: David Woodhouse <dwmw@xxxxxxxxxxxx>

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