Re: [PATCH v2 09/10] KVM: x86/mmu: Use PFERR_GUEST_ENC_MASK to indicate fault is private

[Sean Christopherson]

On Tue, Apr 16, 2024, Paolo Bonzini wrote:
> SEV-SNP defines PFERR_GUEST_ENC_MASK (bit 34) in page-fault error bits to
> represent the guest page is encrypted.  Use the bit to designate that the
> page fault is private and that it requires looking up memory attributes.
> 
> The vendor kvm page fault handler should set PFERR_GUEST_ENC_MASK bit based
> on their fault information.  It may or may not use the hardware value
> directly or parse the hardware value to set the bit.
> 
> Based on a patch by Isaku Yamahata.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>

I would also prefer this one be dropped in favor of PFERR_PRIVATE_ACCESS.  Ah,
I assume that's your plan, as you have d8783aeebd40 ("[TO SQUASH] KVM: x86/mmu:
Use synthetic page fault error code to indicate private faults") in kvm-coco-queue.