diff options
Diffstat (limited to 'sys/kern/subr_bus.c')
| -rw-r--r-- | sys/kern/subr_bus.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c index 53b10ec..eb54445 100644 --- a/sys/kern/subr_bus.c +++ b/sys/kern/subr_bus.c @@ -63,7 +63,7 @@ __FBSDID("$FreeBSD$"); #include <vm/uma.h> SYSCTL_NODE(_hw, OID_AUTO, bus, CTLFLAG_RW, NULL, NULL); -SYSCTL_NODE(, OID_AUTO, dev, CTLFLAG_RW, NULL, NULL); +SYSCTL_ROOT_NODE(OID_AUTO, dev, CTLFLAG_RW, NULL, NULL); /* * Used to attach drivers to devclasses. @@ -149,9 +149,8 @@ static MALLOC_DEFINE(M_BUS_SC, "bus-sc", "Bus data structures, softc"); #ifdef BUS_DEBUG static int bus_debug = 1; -TUNABLE_INT("bus.debug", &bus_debug); -SYSCTL_INT(_debug, OID_AUTO, bus_debug, CTLFLAG_RW, &bus_debug, 0, - "Debug bus code"); +SYSCTL_INT(_debug, OID_AUTO, bus_debug, CTLFLAG_RWTUN, &bus_debug, 0, + "Bus debug level"); #define PDEBUG(a) if (bus_debug) {printf("%s:%d: ", __func__, __LINE__), printf a; printf("\n");} #define DEVICENAME(d) ((d)? device_get_name(d): "no device") @@ -357,16 +356,14 @@ device_sysctl_fini(device_t dev) /* Deprecated way to adjust queue length */ static int sysctl_devctl_disable(SYSCTL_HANDLER_ARGS); -/* XXX Need to support old-style tunable hw.bus.devctl_disable" */ -SYSCTL_PROC(_hw_bus, OID_AUTO, devctl_disable, CTLTYPE_INT | CTLFLAG_RW | +SYSCTL_PROC(_hw_bus, OID_AUTO, devctl_disable, CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, NULL, 0, sysctl_devctl_disable, "I", "devctl disable -- deprecated"); #define DEVCTL_DEFAULT_QUEUE_LEN 1000 static int sysctl_devctl_queue(SYSCTL_HANDLER_ARGS); static int devctl_queue_length = DEVCTL_DEFAULT_QUEUE_LEN; -TUNABLE_INT("hw.bus.devctl_queue", &devctl_queue_length); -SYSCTL_PROC(_hw_bus, OID_AUTO, devctl_queue, CTLTYPE_INT | CTLFLAG_RW | +SYSCTL_PROC(_hw_bus, OID_AUTO, devctl_queue, CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, NULL, 0, sysctl_devctl_queue, "I", "devctl queue length"); static d_open_t devopen; @@ -791,11 +788,12 @@ sysctl_devctl_disable(SYSCTL_HANDLER_ARGS) struct dev_event_info *n1; int dis, error; - dis = devctl_queue_length == 0; + dis = (devctl_queue_length == 0); error = sysctl_handle_int(oidp, &dis, 0, req); if (error || !req->newptr) return (error); - mtx_lock(&devsoftc.mtx); + if (mtx_initialized(&devsoftc.mtx)) + mtx_lock(&devsoftc.mtx); if (dis) { while (!TAILQ_EMPTY(&devsoftc.devq)) { n1 = TAILQ_FIRST(&devsoftc.devq); @@ -808,7 +806,8 @@ sysctl_devctl_disable(SYSCTL_HANDLER_ARGS) } else { devctl_queue_length = DEVCTL_DEFAULT_QUEUE_LEN; } - mtx_unlock(&devsoftc.mtx); + if (mtx_initialized(&devsoftc.mtx)) + mtx_unlock(&devsoftc.mtx); return (0); } @@ -824,7 +823,8 @@ sysctl_devctl_queue(SYSCTL_HANDLER_ARGS) return (error); if (q < 0) return (EINVAL); - mtx_lock(&devsoftc.mtx); + if (mtx_initialized(&devsoftc.mtx)) + mtx_lock(&devsoftc.mtx); devctl_queue_length = q; while (devsoftc.queued > devctl_queue_length) { n1 = TAILQ_FIRST(&devsoftc.devq); @@ -833,7 +833,8 @@ sysctl_devctl_queue(SYSCTL_HANDLER_ARGS) free(n1, M_BUS); devsoftc.queued--; } - mtx_unlock(&devsoftc.mtx); + if (mtx_initialized(&devsoftc.mtx)) + mtx_unlock(&devsoftc.mtx); return (0); } |
