diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcutree_plugin.h | 5 | ||||
| -rw-r--r-- | kernel/rtmutex.c | 8 |
2 files changed, 0 insertions, 13 deletions
diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h index 8cd9efe7e81f..f55f10ba01f5 100644 --- a/kernel/rcutree_plugin.h +++ b/kernel/rcutree_plugin.h @@ -1165,8 +1165,6 @@ static void rcu_initiate_boost_trace(struct rcu_node *rnp) #endif /* #else #ifdef CONFIG_RCU_TRACE */ -static struct lock_class_key rcu_boost_class; - /* * Carry out RCU priority boosting on the task indicated by ->exp_tasks * or ->boost_tasks, advancing the pointer to the next task in the @@ -1229,9 +1227,6 @@ static int rcu_boost(struct rcu_node *rnp) */ t = container_of(tb, struct task_struct, rcu_node_entry); rt_mutex_init_proxy_locked(&mtx, t); - /* Avoid lockdep false positives. This rt_mutex is its own thing. */ - lockdep_set_class_and_name(&mtx.wait_lock, &rcu_boost_class, - "rcu_boost_mutex"); t->rcu_boost_mutex = &mtx; raw_spin_unlock_irqrestore(&rnp->lock, flags); rt_mutex_lock(&mtx); /* Side effect: boosts task t's priority. */ diff --git a/kernel/rtmutex.c b/kernel/rtmutex.c index f9d8482dd487..a242e691c993 100644 --- a/kernel/rtmutex.c +++ b/kernel/rtmutex.c @@ -579,7 +579,6 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state, struct rt_mutex_waiter *waiter) { int ret = 0; - int was_disabled; for (;;) { /* Try to acquire the lock: */ @@ -602,17 +601,10 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state, raw_spin_unlock(&lock->wait_lock); - was_disabled = irqs_disabled(); - if (was_disabled) - local_irq_enable(); - debug_rt_mutex_print_deadlock(waiter); schedule_rt_mutex(lock); - if (was_disabled) - local_irq_disable(); - raw_spin_lock(&lock->wait_lock); set_current_state(state); } |