Re: [RFC 5/7] KVM: MMU: Add support for PKS emulation

[Paolo Bonzini]

On 07/08/20 10:48, Chenyi Qiang wrote:

                if (pte_access & PT_USER_MASK)
                        pkr_bits = (vcpu->arch.pkru >> (pte_pkey * 2)) & 3;
+               else if (!kvm_get_msr(vcpu, MSR_IA32_PKRS, &pkrs))
+                       pkr_bits = (pkrs >> (pte_pkey * 2)) & 3;

You should be able to always use vcpu->arch.pkrs here.  So

pkr = pte_access & PT_USER_MASK ? vcpu->arch.pkru : vcpu->arch.pkrs;
pkr_bits = (pkr >> pte_pkey * 2) & 3;

Paolo