On Thu, 06 Feb 2025 19:14:19 +0000, David Woodhouse wrote:
> The Xen hypercall page MSR is write-only. When the guest writes an address
> to the MSR, the hypervisor populates the referenced page with hypercall
> functions.
>
> There is no reason for the host ever to write to the MSR, and it isn't
> even readable.
>
> [...]
Applied to kvm-x86 xen, thanks! I'll post v2 of my series on top.
[1/1] KVM: x86/xen: Only write Xen hypercall page for guest writes to MSR
https://github.com/kvm-x86/linux/commit/3617c0ee7dec
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https://github.com/kvm-x86/linux/tree/next
