ted.c
index f7d5db0af69a..52d853684592 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -1100,6 +1100,9 @@ void svm_copy_vmrun_state(struct vmcb_save_area *to_save,
 		to_save->isst_addr = from_save->isst_addr;
 		to_save->ssp = from_save->ssp;
 	}
+
+	if (lbrv)
+		svm_copy_lbrs(to_save, from_save);
 }
 
 void svm_copy_vmloadsave_state(struct vmcb *to_vmcb, struct vmcb *from_vmcb)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 798f2c84d80b..d93414db6559 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -3071,6 +3071,26 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
 		vmcb_mark_dirty(svm->vmcb, VMCB_LBR);
 		svm_update_lbrv(vcpu);
 		break;
+	case MSR_IA32_LASTBRANCHFROMIP:
+		if (!msr->host_initiated)
+			return 1;
+		svm->vmcb->save.br_from = data;
+		break;
+	case MSR_IA32_LASTBRANCHTOIP:
+		if (!msr->host_initiated)
+			return 1;
+		svm->vmcb->save.br_to = data;
+		break;
+	case MSR_IA32_LASTINTFROMIP:
+		if (!msr->host_initiated)
+			return 1;
+		svm->vmcb->save.last_excp_from = data;
+		break;
+	case MSR_IA32_LASTINTTOIP:
+		if (!msr->host_initiated)
+			return 1;
+		svm->vmcb->save.last_excp_to = data;
+		break;
 	case MSR_VM_HSAVE_PA:
 		/*
 		 * Old kernels did not validate the value written to
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index db3f393192d9..416899b5dbe4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -351,6 +351,9 @@ static const u32 msrs_to_save_base[] = {
 	MSR_IA32_U_CET, MSR_IA32_S_CET,
 	MSR_IA32_PL0_SSP, MSR_IA32_PL1_SSP, MSR_IA32_PL2_SSP,
 	MSR_IA32_PL3_SSP, MSR_IA32_INT_SSP_TAB,
+	MSR_IA32_DEBUGCTLMSR,
+	MSR_IA32_LASTBRANCHFROMIP, MSR_IA32_LASTBRANCHTOIP,
+	MSR_IA32_LASTINTFROMIP, MSR_IA32_LASTINTTOIP,
 };
 
 static const u32 msrs_to_save_pmu[] = {
-- 
2.53.0.rc2.204.g2597b5adb4-goog[PATCH v5 03/26] KVM: SVM: Add missing save/restore handling of LBR MSRsYosry Ahmed <yosry.ahmed@linux.dev> undefinedSean Christopherson <seanjc@google.com> undefined undefined undefined undefined undefined undefined‘C…ć{