Re: [PATCH 2/5] KVM: x86/xen: Add an #ifdef'd helper to detect writes to Xen MSR

[Paul Durrant]

On 01/02/2025 01:13, Sean Christopherson wrote:
> Add a helper to detect writes to the Xen hypercall page MSR, and provide a
> stub for CONFIG_KVM_XEN=n to optimize out the check for kernels built
> without Xen support.
>
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
> ---
>   arch/x86/kvm/x86.c |  2 +-
>   arch/x86/kvm/xen.h | 10 ++++++++++
>   2 files changed, 11 insertions(+), 1 deletion(-)

Reviewed-by: Paul Durrant <paul@xxxxxxx>