diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2014-05-22 03:25:50 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2014-06-21 22:05:30 +0200 |
| commit | c051b21f71d1ffdfd7ad406a1ef5ede5e5f974c5 (patch) | |
| tree | 8ea9859d832e072ec2a8a4123ce46d67aec66f89 /kernel/futex.c | |
| parent | 1ca7b86062ec8473d03c5cdfd336abc8b1c8098c (diff) | |
| download | lwn-c051b21f71d1ffdfd7ad406a1ef5ede5e5f974c5.tar.gz lwn-c051b21f71d1ffdfd7ad406a1ef5ede5e5f974c5.zip | |
rtmutex: Confine deadlock logic to futex
The deadlock logic is only required for futexes.
Remove the extra arguments for the public functions and also for the
futex specific ones which get always called with deadlock detection
enabled.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/futex.c')
| -rw-r--r-- | kernel/futex.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index b632b5f3f094..e5c6c404be1d 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -1718,7 +1718,7 @@ retry_private: this->pi_state = pi_state; ret = rt_mutex_start_proxy_lock(&pi_state->pi_mutex, this->rt_waiter, - this->task, 1); + this->task); if (ret == 1) { /* We got the lock. */ requeue_pi_wake_futex(this, &key2, hb2); @@ -2337,9 +2337,9 @@ retry_private: /* * Block on the PI mutex: */ - if (!trylock) - ret = rt_mutex_timed_lock(&q.pi_state->pi_mutex, to, 1); - else { + if (!trylock) { + ret = rt_mutex_timed_futex_lock(&q.pi_state->pi_mutex, to); + } else { ret = rt_mutex_trylock(&q.pi_state->pi_mutex); /* Fixup the trylock return value: */ ret = ret ? 0 : -EWOULDBLOCK; @@ -2669,7 +2669,7 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags, */ WARN_ON(!q.pi_state); pi_mutex = &q.pi_state->pi_mutex; - ret = rt_mutex_finish_proxy_lock(pi_mutex, to, &rt_waiter, 1); + ret = rt_mutex_finish_proxy_lock(pi_mutex, to, &rt_waiter); debug_rt_mutex_free_waiter(&rt_waiter); spin_lock(q.lock_ptr); |