diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index ed796fe6ba..d30cf27e29 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -1246,6 +1246,23 @@ static void x86_machine_set_oem_table_id(Object *obj, const char *value,
     strncpy(x86ms->oem_table_id, value, 8);
 }
 
+static void x86_machine_get_bus_lock_ratelimit(Object *obj, Visitor *v,
+                                const char *name, void *opaque, Error **errp)
+{
+    X86MachineState *x86ms = X86_MACHINE(obj);
+    uint64_t bus_lock_ratelimit = x86ms->bus_lock_ratelimit;
+
+    visit_type_uint64(v, name, &bus_lock_ratelimit, errp);
+}
+
+static void x86_machine_set_bus_lock_ratelimit(Object *obj, Visitor *v,
+                               const char *name, void *opaque, Error **errp)
+{
+    X86MachineState *x86ms = X86_MACHINE(obj);
+
+    visit_type_uint64(v, name, &x86ms->bus_lock_ratelimit, errp);
+}
+
 static void x86_machine_initfn(Object *obj)
 {
     X86MachineState *x86ms = X86_MACHINE(obj);
@@ -1256,6 +1273,7 @@ static void x86_machine_initfn(Object *obj)
     x86ms->pci_irq_mask = ACPI_BUILD_PCI_IRQS;
     x86ms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6);
     x86ms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8);
+    x86ms->bus_lock_ratelimit = 0;
 }
 
 static void x86_machine_class_init(ObjectClass *oc, void *data)
@@ -1299,6 +1317,12 @@ static void x86_machine_class_init(ObjectClass *oc, void *data)
                                           "Override the default value of field OEM Table ID "
                                           "in ACPI table header."
                                           "The string may be up to 8 bytes in size");
+
+    object_class_property_add(oc, X86_MACHINE_BUS_LOCK_RATELIMIT, "uint64_t",
+                                x86_machine_get_bus_lock_ratelimit,
+                                x86_machine_set_bus_lock_ratelimit, NULL, NULL);
+    object_class_property_set_description(oc, X86_MACHINE_BUS_LOCK_RATELIMIT,
+            "Set the ratelimit for the bus locks acquired in VMs");
 }
 
 static const TypeInfo x86_machine_info = {
diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
index c09b648dff..49b130a649 100644
--- a/include/hw/i386/x86.h
+++ b/include/hw/i386/x86.h
@@ -74,12 +74,21 @@ struct X86MachineState {
      * will be translated to MSI messages in the address space.
      */
     AddressSpace *ioapic_as;
+
+    /*
+     * Ratelimit enforced on detected bus locks in guest.
+     * The default value of the bus_lock_ratelimit is 0 per second,
+     * which means no limitation on the guest's bus locks.
+     */
+    uint64_t bus_lock_ratelimit;
+    RateLimit bus_lock_ratelimit_ctrl;
 };
 
 #define X86_MACHINE_SMM              "smm"
 #define X86_MACHINE_ACPI             "acpi"
 #define X86_MACHINE_OEM_ID           "x-oem-id"
 #define X86_MACHINE_OEM_TABLE_ID     "x-oem-table-id"
+#define X86_MACHINE_BUS_LOCK_RATELIMIT  "bus-lock-ratelimit"
 
 #define TYPE_X86_MACHINE   MACHINE_TYPE_NAME("x86")
 OBJECT_DECLARE_TYPE(X86MachineState, X86MachineClass, X86_MACHINE)
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 7fe9f52710..19b6c4a7e8 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -130,6 +130,9 @@ static bool has_msr_mcg_ext_ctl;
 static struct kvm_cpuid2 *cpuid_cache;
 static struct kvm_msr_list *kvm_feature_msrs;
 
+#define BUS_LOCK_SLICE_TIME 1000000000ULL /* ns */
+static QemuMutex bus_lock_ratelimit_lock;
+
 int kvm_has_pit_state2(void)
 {
     return has_pit_state2;
@@ -2267,6 +2270,28 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
         }
     }
 
+    if (object_dynamic_cast(OBJECT(ms), TYPE_X86_MACHINE)) {
+        X86MachineState *x86ms = X86_MACHINE(ms);
+
+        if (x86ms->bus_lock_ratelimit > 0) {
+            ret = kvm_check_extension(s, KVM_CAP_X86_BUS_LOCK_EXIT);
+            if (!(ret & KVM_BUS_LOCK_DETECTION_EXIT)) {
+                error_report("kvm: bus lock detection unsupported");
+                return -ENOTSUP;
+            }
+            ret = kvm_vm_enable_cap(s, KVM_CAP_X86_BUS_LOCK_EXIT, 0,
+                                    KVM_BUS_LOCK_DETECTION_EXIT);
+            if (ret < 0) {
+                error_report("kvm: Failed to enable bus lock detection cap: %s",
+                             strerror(-ret));
+                return ret;
+            }
+            qemu_mutex_init(&bus_lock_ratelimit_lock);
+            ratelimit_set_speed(&x86ms->bus_lock_ratelimit_ctrl, x86ms->bus_lock_ratelimit,
+                                BUS_LOCK_SLICE_TIME);
+        }
+    }
+
     return 0;
 }
 
@@ -4221,6 +4246,20 @@ void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run)
     }
 }
 
+static void kvm_rate_limit_on_bus_lock(void)
+{
+    MachineState *ms = MACHINE(qdev_get_machine());
+    X86MachineState *x86ms = X86_MACHINE(ms);
+
+    qemu_mutex_lock(&bus_lock_ratelimit_lock);
+    uint64_t delay_ns = ratelimit_calculate_delay(&x86ms->bus_lock_ratelimit_ctrl, 1);
+    qemu_mutex_unlock(&bus_lock_ratelimit_lock);
+
+    if (delay_ns) {
+        g_usleep(delay_ns / SCALE_US);
+    }
+}
+
 MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run)
 {
     X86CPU *x86_cpu = X86_CPU(cpu);
@@ -4236,6 +4275,9 @@ MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run)
     } else {
         env->eflags &= ~IF_MASK;
     }
+    if (run->flags & KVM_RUN_X86_BUS_LOCK) {
+        kvm_rate_limit_on_bus_lock();
+    }
 
     /* We need to protect the apic state against concurrent accesses from
      * different threads in case the userspace irqchip is used. */
@@ -4594,6 +4636,10 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run)
         ioapic_eoi_broadcast(run->eoi.vector);
         ret = 0;
         break;
+    case KVM_EXIT_X86_BUS_LOCK:
+        /* already handled in kvm_arch_post_run */
+        ret = 0;
+        break;
     default:
         fprintf(stderr, "KVM: unknown exit reason %d\n", run->exit_reason);
         ret = -1;
