KVM: SVM: Wire up ->tlb_flush_guest() directly to svm_flush_tlb()

Use svm_flush_tlb() directly for kvm_x86_ops->tlb_flush_guest() now that
the @invalidate_gpa param to ->tlb_flush() is gone, i.e. the wrapper for
->tlb_flush_guest() is no longer necessary.

No functional change intended.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200320212833.3507-18-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/svm/svm.c

@@ -3170,11 +3170,6 @@ static void svm_flush_tlb_gva(struct kvm_vcpu *vcpu, gva_t gva)
 	invlpga(gva, svm->vmcb->control.asid);
 }
 
-static void svm_flush_tlb_guest(struct kvm_vcpu *vcpu)
-{
-	svm_flush_tlb(vcpu);
-}
-
 static void svm_prepare_guest_switch(struct kvm_vcpu *vcpu)
 {
 }
@@ -3944,7 +3939,7 @@ static struct kvm_x86_ops svm_x86_ops __initdata = {
 
 	.tlb_flush = svm_flush_tlb,
 	.tlb_flush_gva = svm_flush_tlb_gva,
-	.tlb_flush_guest = svm_flush_tlb_guest,
+	.tlb_flush_guest = svm_flush_tlb,
 
 	.run = svm_vcpu_run,
 	.handle_exit = handle_exit,