Re: [PATCH v4 06/30] KVM: x86/mmu: only perform eager page splitting on valid roots

[Sean Christopherson]

On Thu, Mar 03, 2022, Paolo Bonzini wrote:
> Eager page splitting is an optimization; it does not have to be performed on
> invalid roots.  It is also the only case in which a reader might acquire
> a reference to an invalid root, so after this change we know that readers
> will skip both dying and invalid roots.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> ---

Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>