diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-26 17:39:56 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-04-10 00:19:26 (GMT) |
| commit | 73ae55fd4fdfc9fc7c07e86fb7278db47edf11fb (patch) | |
| tree | 036591cd25ce603b1368430c6980289799fbff32 /kernel/spinlock.c | |
| parent | a82ee54429c434ae1b54481ca5afb9f04e4840e4 (diff) | |
| download | linux-fsl-qoriq-73ae55fd4fdfc9fc7c07e86fb7278db47edf11fb.tar.xz | |
rt: Add the preempt-rt lock replacement APIs
Map spinlocks, rwlocks, rw_semaphores and semaphores to the rt_mutex
based locking functions for preempt-rt.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/spinlock.c')
| -rw-r--r-- | kernel/spinlock.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/spinlock.c b/kernel/spinlock.c index 4b082b5..5c76166 100644 --- a/kernel/spinlock.c +++ b/kernel/spinlock.c @@ -124,8 +124,11 @@ void __lockfunc __raw_##op##_lock_bh(locktype##_t *lock) \ * __[spin|read|write]_lock_bh() */ BUILD_LOCK_OPS(spin, raw_spinlock); + +#ifndef CONFIG_PREEMPT_RT_FULL BUILD_LOCK_OPS(read, rwlock); BUILD_LOCK_OPS(write, rwlock); +#endif #endif @@ -209,6 +212,8 @@ void __lockfunc _raw_spin_unlock_bh(raw_spinlock_t *lock) EXPORT_SYMBOL(_raw_spin_unlock_bh); #endif +#ifndef CONFIG_PREEMPT_RT_FULL + #ifndef CONFIG_INLINE_READ_TRYLOCK int __lockfunc _raw_read_trylock(rwlock_t *lock) { @@ -353,6 +358,8 @@ void __lockfunc _raw_write_unlock_bh(rwlock_t *lock) EXPORT_SYMBOL(_raw_write_unlock_bh); #endif +#endif /* !PREEMPT_RT_FULL */ + #ifdef CONFIG_DEBUG_LOCK_ALLOC void __lockfunc _raw_spin_lock_nested(raw_spinlock_t *lock, int subclass) |