KVM: VMX: Rename "find_msr_entry" to "vmx_find_uret_msr"

Rename "find_msr_entry" to scope it to VMX and to associate it with
guest_uret_msrs.  Drop the "entry" so that the function name pairs with
the existing __vmx_find_uret_msr(), which intentionally uses a double
underscore prefix instead of appending "index" or "slot" as those names
are already claimed by other pieces of the user return MSR stack.

No functional change intended.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200923180409.32255-13-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/vmx/nested.c

@@ -4287,7 +4287,7 @@ static inline u64 nested_vmx_get_vmcs01_guest_efer(struct vcpu_vmx *vmx)
 			return vmx->msr_autoload.guest.val[i].value;
 	}
 
-	efer_msr = find_msr_entry(vmx, MSR_EFER);
+	efer_msr = vmx_find_uret_msr(vmx, MSR_EFER);
 	if (efer_msr)
 		return efer_msr->data;
 

arch/x86/kvm/vmx/vmx.c

@@ -621,7 +621,7 @@ static inline int __vmx_find_uret_msr(struct vcpu_vmx *vmx, u32 msr)
 	return -1;
 }
 
-struct vmx_uret_msr *find_msr_entry(struct vcpu_vmx *vmx, u32 msr)
+struct vmx_uret_msr *vmx_find_uret_msr(struct vcpu_vmx *vmx, u32 msr)
 {
 	int i;
 
@@ -1856,7 +1856,7 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 		goto find_uret_msr;
 	default:
 	find_uret_msr:
-		msr = find_msr_entry(vmx, msr_info->index);
+		msr = vmx_find_uret_msr(vmx, msr_info->index);
 		if (msr) {
 			msr_info->data = msr->data;
 			break;
@@ -2130,7 +2130,7 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 
 	default:
 	find_uret_msr:
-		msr = find_msr_entry(vmx, msr_index);
+		msr = vmx_find_uret_msr(vmx, msr_index);
 		if (msr)
 			ret = vmx_set_guest_msr(vmx, msr, data);
 		else
@@ -2763,7 +2763,7 @@ static void enter_rmode(struct kvm_vcpu *vcpu)
 void vmx_set_efer(struct kvm_vcpu *vcpu, u64 efer)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	struct vmx_uret_msr *msr = find_msr_entry(vmx, MSR_EFER);
+	struct vmx_uret_msr *msr = vmx_find_uret_msr(vmx, MSR_EFER);
 
 	if (!msr)
 		return;
@@ -7108,7 +7108,7 @@ static void vmx_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
 
 	if (boot_cpu_has(X86_FEATURE_RTM)) {
 		struct vmx_uret_msr *msr;
-		msr = find_msr_entry(vmx, MSR_IA32_TSX_CTRL);
+		msr = vmx_find_uret_msr(vmx, MSR_IA32_TSX_CTRL);
 		if (msr) {
 			bool enabled = guest_cpuid_has(vcpu, X86_FEATURE_RTM);
 			vmx_set_guest_msr(vmx, msr, enabled ? 0 : TSX_CTRL_RTM_DISABLE);

arch/x86/kvm/vmx/vmx.h

@@ -329,7 +329,7 @@ bool vmx_interrupt_blocked(struct kvm_vcpu *vcpu);
 bool vmx_get_nmi_mask(struct kvm_vcpu *vcpu);
 void vmx_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked);
 void vmx_set_virtual_apic_mode(struct kvm_vcpu *vcpu);
-struct vmx_uret_msr *find_msr_entry(struct vcpu_vmx *vmx, u32 msr);
+struct vmx_uret_msr *vmx_find_uret_msr(struct vcpu_vmx *vmx, u32 msr);
 void pt_update_intercept_for_msr(struct vcpu_vmx *vmx);
 void vmx_update_host_rsp(struct vcpu_vmx *vmx, unsigned long host_rsp);
 int vmx_find_loadstore_msr_slot(struct vmx_msrs *m, u32 msr);