KVM: VMX: Use vmx_get_rflags() to query RFLAGS in vmx_interrupt_block…

…ed() Use vmx_get_rflags() instead of manually reading vmcs.GUEST_RFLAGS when querying RFLAGS.IF so that multiple checks against interrupt blocking in a single run loop only require a single VMREAD. Signed-off-by: Sean Christopherson <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
Stilmant · May 13, 2020 · 7ab0abd · 7ab0abd
1 parent db43859
commit 7ab0abd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
@@ -4536,7 +4536,7 @@ bool vmx_interrupt_blocked(struct kvm_vcpu *vcpu)
 	if (is_guest_mode(vcpu) && nested_exit_on_intr(vcpu))
 		return false;
 
-	return !(vmcs_readl(GUEST_RFLAGS) & X86_EFLAGS_IF) ||
+	return !(vmx_get_rflags(vcpu) & X86_EFLAGS_IF) ||
 	       (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) &
 		(GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS));
 }