diff options
Diffstat (limited to 'net/core/pktgen.c')
| -rw-r--r-- | net/core/pktgen.c | 46 |
1 files changed, 21 insertions, 25 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 29a969ef2bb2..df4d531e27e0 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -180,10 +180,6 @@ #define T_REMDEVALL (1<<3) /* Remove all devs */ #define T_REMDEV (1<<4) /* Remove one dev */ -/* Locks */ -#define thread_lock() mutex_lock(&pktgen_thread_lock) -#define thread_unlock() mutex_unlock(&pktgen_thread_lock) - /* If lock -- can be removed after some work */ #define if_lock(t) spin_lock(&(t->if_lock)); #define if_unlock(t) spin_unlock(&(t->if_lock)); @@ -1472,18 +1468,18 @@ static ssize_t pktgen_thread_write(struct file *file, if (copy_from_user(f, &user_buffer[i], len)) return -EFAULT; i += len; - thread_lock(); + mutex_lock(&pktgen_thread_lock); pktgen_add_device(t, f); - thread_unlock(); + mutex_unlock(&pktgen_thread_lock); ret = count; sprintf(pg_result, "OK: add_device=%s", f); goto out; } if (!strcmp(name, "rem_device_all")) { - thread_lock(); + mutex_lock(&pktgen_thread_lock); t->control |= T_REMDEVALL; - thread_unlock(); + mutex_unlock(&pktgen_thread_lock); schedule_timeout_interruptible(msecs_to_jiffies(125)); /* Propagate thread->control */ ret = count; sprintf(pg_result, "OK: rem_device_all"); @@ -1492,9 +1488,9 @@ static ssize_t pktgen_thread_write(struct file *file, if (!strcmp(name, "max_before_softirq")) { len = num_arg(&user_buffer[i], 10, &value); - thread_lock(); + mutex_lock(&pktgen_thread_lock); t->max_before_softirq = value; - thread_unlock(); + mutex_unlock(&pktgen_thread_lock); ret = count; sprintf(pg_result, "OK: max_before_softirq=%lu", value); goto out; @@ -1550,7 +1546,7 @@ static int pktgen_mark_device(const char *ifname) int i = 0; int ret = 0; - thread_lock(); + mutex_lock(&pktgen_thread_lock); PG_DEBUG(printk("pktgen: pktgen_mark_device marking %s for removal\n", ifname)); @@ -1560,11 +1556,11 @@ static int pktgen_mark_device(const char *ifname) if (pkt_dev == NULL) break; /* success */ - thread_unlock(); + mutex_unlock(&pktgen_thread_lock); PG_DEBUG(printk("pktgen: pktgen_mark_device waiting for %s " "to disappear....\n", ifname)); schedule_timeout_interruptible(msecs_to_jiffies(msec_per_try)); - thread_lock(); + mutex_lock(&pktgen_thread_lock); if (++i >= max_tries) { printk("pktgen_mark_device: timed out after waiting " @@ -1576,7 +1572,7 @@ static int pktgen_mark_device(const char *ifname) } - thread_unlock(); + mutex_unlock(&pktgen_thread_lock); return ret; } @@ -2459,12 +2455,12 @@ static void pktgen_stop_all_threads_ifs(void) PG_DEBUG(printk("pktgen: entering pktgen_stop_all_threads_ifs.\n")); - thread_lock(); + mutex_lock(&pktgen_thread_lock); list_for_each_entry(t, &pktgen_threads, th_list) t->control |= T_STOP; - thread_unlock(); + mutex_unlock(&pktgen_thread_lock); } static int thread_is_running(struct pktgen_thread *t) @@ -2505,7 +2501,7 @@ static int pktgen_wait_all_threads_run(void) struct pktgen_thread *t; int sig = 1; - thread_lock(); + mutex_lock(&pktgen_thread_lock); list_for_each_entry(t, &pktgen_threads, th_list) { sig = pktgen_wait_thread_run(t); @@ -2517,7 +2513,7 @@ static int pktgen_wait_all_threads_run(void) list_for_each_entry(t, &pktgen_threads, th_list) t->control |= (T_STOP); - thread_unlock(); + mutex_unlock(&pktgen_thread_lock); return sig; } @@ -2527,12 +2523,12 @@ static void pktgen_run_all_threads(void) PG_DEBUG(printk("pktgen: entering pktgen_run_all_threads.\n")); - thread_lock(); + mutex_lock(&pktgen_thread_lock); list_for_each_entry(t, &pktgen_threads, th_list) t->control |= (T_RUN); - thread_unlock(); + mutex_unlock(&pktgen_thread_lock); schedule_timeout_interruptible(msecs_to_jiffies(125)); /* Propagate thread->control */ @@ -2692,11 +2688,11 @@ static void pktgen_rem_thread(struct pktgen_thread *t) remove_proc_entry(t->name, pg_proc_dir); - thread_lock(); + mutex_lock(&pktgen_thread_lock); list_del(&t->th_list); - thread_unlock(); + mutex_unlock(&pktgen_thread_lock); } static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev) @@ -3070,15 +3066,15 @@ static struct pktgen_thread *__init pktgen_find_thread(const char *name) { struct pktgen_thread *t; - thread_lock(); + mutex_lock(&pktgen_thread_lock); list_for_each_entry(t, &pktgen_threads, th_list) if (strcmp(t->name, name) == 0) { - thread_unlock(); + mutex_unlock(&pktgen_thread_lock); return t; } - thread_unlock(); + mutex_unlock(&pktgen_thread_lock); return NULL; } |