Index: sys/dev/hyperv/utilities/hv_heartbeat.c =================================================================== --- sys/dev/hyperv/utilities/hv_heartbeat.c +++ sys/dev/hyperv/utilities/hv_heartbeat.c @@ -94,6 +94,10 @@ hv_heartbeat_probe(device_t dev) { const char *p = vmbus_get_type(dev); + + if (resource_disabled("hvheartbeat", 0)) + return ENXIO; + if (!memcmp(p, &service_guid, sizeof(hv_guid))) { device_set_desc(dev, "Hyper-V Heartbeat Service"); return BUS_PROBE_DEFAULT; Index: sys/dev/hyperv/utilities/hv_kvp.c =================================================================== --- sys/dev/hyperv/utilities/hv_kvp.c +++ sys/dev/hyperv/utilities/hv_kvp.c @@ -890,6 +890,10 @@ hv_kvp_probe(device_t dev) { const char *p = vmbus_get_type(dev); + + if (resource_disabled("hvkvp", 0)) + return ENXIO; + if (!memcmp(p, &service_guid, sizeof(hv_guid))) { device_set_desc(dev, "Hyper-V KVP Service"); return BUS_PROBE_DEFAULT; Index: sys/dev/hyperv/utilities/hv_shutdown.c =================================================================== --- sys/dev/hyperv/utilities/hv_shutdown.c +++ sys/dev/hyperv/utilities/hv_shutdown.c @@ -116,6 +116,10 @@ hv_shutdown_probe(device_t dev) { const char *p = vmbus_get_type(dev); + + if (resource_disabled("hvshutdown", 0)) + return ENXIO; + if (!memcmp(p, &service_guid, sizeof(hv_guid))) { device_set_desc(dev, "Hyper-V Shutdown Service"); return BUS_PROBE_DEFAULT; Index: sys/dev/hyperv/utilities/hv_timesync.c =================================================================== --- sys/dev/hyperv/utilities/hv_timesync.c +++ sys/dev/hyperv/utilities/hv_timesync.c @@ -171,6 +171,10 @@ hv_timesync_probe(device_t dev) { const char *p = vmbus_get_type(dev); + + if (resource_disabled("hvtimesync", 0)) + return ENXIO; + if (!memcmp(p, &service_guid, sizeof(hv_guid))) { device_set_desc(dev, "Hyper-V Time Synch Service"); return BUS_PROBE_DEFAULT;