[ Upstream commit
d28f4290b53a157191ed9991ad05dffe9e8c0c89 ]
The behavior of WRMSR is in no way dependent on whether or not KVM
consumes the value.
Fixes:
4566654bb9be9 ("KVM: vmx: Inject #GP on invalid PAT CR")
Cc: stable@vger.kernel.org
Cc: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
MSR_TYPE_W);
break;
case MSR_IA32_CR_PAT:
+ if (!kvm_pat_valid(data))
+ return 1;
+
if (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PAT) {
- if (!kvm_pat_valid(data))
- return 1;
vmcs_write64(GUEST_IA32_PAT, data);
vcpu->arch.pat = data;
break;