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[06/22] KVM: VMX: Call vmx_get_cpl() directly in handle_dr()

Message ID 20220128005208.4008533-7-seanjc@google.com (mailing list archive)
State New, archived
Headers show
Series KVM: x86: Fill *_x86_ops via kvm-x86-ops.h | expand

Commit Message

Sean Christopherson Jan. 28, 2022, 12:51 a.m. UTC 
Use vmx_get_cpl() instead of bouncing through kvm_x86_ops.get_cpl() when
performing a CPL check on MOV DR accesses.  This avoids a RETPOLINE (when
enabled), and more importantly removes a vendor reference to kvm_x86_ops
and helps pave the way for unexporting kvm_x86_ops.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 arch/x86/kvm/vmx/vmx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 1d2d850b124b..de66786396bd 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -5184,7 +5184,7 @@  static int handle_dr(struct kvm_vcpu *vcpu)
 	if (!kvm_require_dr(vcpu, dr))
 		return 1;
 
-	if (kvm_x86_ops.get_cpl(vcpu) > 0)
+	if (vmx_get_cpl(vcpu) > 0)
 		goto out;
 
 	dr7 = vmcs_readl(GUEST_DR7);