aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/litmus/locking.h3
-rw-r--r--litmus/fifo_lock.c14
-rw-r--r--litmus/prioq_lock.c13
3 files changed, 20 insertions, 10 deletions
diff --git a/include/litmus/locking.h b/include/litmus/locking.h
index 02cc9cf4bb55..3ae6692dbe95 100644
--- a/include/litmus/locking.h
+++ b/include/litmus/locking.h
@@ -48,8 +48,7 @@ struct litmus_lock {
48#endif 48#endif
49 49
50 struct litmus_lock_proc_ops *proc; 50 struct litmus_lock_proc_ops *proc;
51 struct proc_dir_entry *proc_entry; 51 char *name;
52 char name[LOCK_NAME_LEN];
53}; 52};
54 53
55#ifdef CONFIG_LITMUS_DGL_SUPPORT 54#ifdef CONFIG_LITMUS_DGL_SUPPORT
diff --git a/litmus/fifo_lock.c b/litmus/fifo_lock.c
index b3e956f5a93a..0cbba2424701 100644
--- a/litmus/fifo_lock.c
+++ b/litmus/fifo_lock.c
@@ -878,14 +878,20 @@ static int fifo_proc_print(char *page, char **start, off_t off, int count, int *
878 878
879static void fifo_proc_add(struct litmus_lock* l) 879static void fifo_proc_add(struct litmus_lock* l)
880{ 880{
881 if (!l->name)
882 l->name = kmalloc(LOCK_NAME_LEN*sizeof(char), GFP_KERNEL);
881 snprintf(l->name, LOCK_NAME_LEN, "fifo-%d", l->ident); 883 snprintf(l->name, LOCK_NAME_LEN, "fifo-%d", l->ident);
882 884 litmus_add_proc_lock(l, fifo_proc_print);
883 l->proc_entry = litmus_add_proc_lock(l, fifo_proc_print);
884} 885}
885 886
886static void fifo_proc_remove(struct litmus_lock* l) 887static void fifo_proc_remove(struct litmus_lock* l)
887{ 888{
888 litmus_remove_proc_lock(l); 889 if (l->name) {
890 litmus_remove_proc_lock(l);
891
892 kfree(l->name);
893 l->name = NULL;
894 }
889} 895}
890 896
891static struct litmus_lock_proc_ops fifo_proc_ops = 897static struct litmus_lock_proc_ops fifo_proc_ops =
@@ -905,7 +911,7 @@ struct litmus_lock* fifo_mutex_new(struct litmus_lock_ops* ops)
905 memset(mutex, 0, sizeof(*mutex)); 911 memset(mutex, 0, sizeof(*mutex));
906 912
907 mutex->litmus_lock.ops = ops; 913 mutex->litmus_lock.ops = ops;
908 mutex->owner = NULL; 914 mutex->owner = NULL;
909 mutex->hp_waiter = NULL; 915 mutex->hp_waiter = NULL;
910 init_waitqueue_head(&mutex->wait); 916 init_waitqueue_head(&mutex->wait);
911 917
diff --git a/litmus/prioq_lock.c b/litmus/prioq_lock.c
index 142f56fe9099..c9ffab1564c3 100644
--- a/litmus/prioq_lock.c
+++ b/litmus/prioq_lock.c
@@ -1454,14 +1454,20 @@ static int prioq_proc_print(char *page, char **start, off_t off, int count, int
1454 1454
1455static void prioq_proc_add(struct litmus_lock* l) 1455static void prioq_proc_add(struct litmus_lock* l)
1456{ 1456{
1457 if (!l->name)
1458 l->name = kmalloc(LOCK_NAME_LEN*sizeof(char), GFP_KERNEL);
1457 snprintf(l->name, LOCK_NAME_LEN, "prioq-%d", l->ident); 1459 snprintf(l->name, LOCK_NAME_LEN, "prioq-%d", l->ident);
1458 1460 litmus_add_proc_lock(l, prioq_proc_print);
1459 l->proc_entry = litmus_add_proc_lock(l, prioq_proc_print);
1460} 1461}
1461 1462
1462static void prioq_proc_remove(struct litmus_lock* l) 1463static void prioq_proc_remove(struct litmus_lock* l)
1463{ 1464{
1464 litmus_remove_proc_lock(l); 1465 if (l->name) {
1466 litmus_remove_proc_lock(l);
1467
1468 kfree(l->name);
1469 l->name = NULL;
1470 }
1465} 1471}
1466 1472
1467static struct litmus_lock_proc_ops prioq_proc_ops = 1473static struct litmus_lock_proc_ops prioq_proc_ops =
@@ -1485,7 +1491,6 @@ struct litmus_lock* prioq_mutex_new(struct litmus_lock_ops* ops)
1485 mutex->hp_waiter = NULL; 1491 mutex->hp_waiter = NULL;
1486 init_waitqueue_head(&mutex->wait); 1492 init_waitqueue_head(&mutex->wait);
1487 1493
1488
1489#ifdef CONFIG_DEBUG_SPINLOCK 1494#ifdef CONFIG_DEBUG_SPINLOCK
1490 { 1495 {
1491 __raw_spin_lock_init(&mutex->lock, 1496 __raw_spin_lock_init(&mutex->lock,