KVM_PFN_ERR_NEEDS_IO
if (f->pfn == KVM_PFN_ERR_NEEDS_IO)
if (f->pfn == KVM_PFN_ERR_NEEDS_IO) {
if (fault->pfn != KVM_PFN_ERR_NEEDS_IO)
pfn = KVM_PFN_ERR_NEEDS_IO;