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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-26 19:39:56 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-07-29 23:30:35 +0200 |
| commit | 2f0c84571b89108c72ebdc3dcaccbe99f754c63a (patch) | |
| tree | c08e09693c25b10147fec7ea5927dc8e382f5969 /lib | |
| parent | 2c237cf3487394a46a92c002d8c15f19a8e4faf7 (diff) | |
| download | lwn-2f0c84571b89108c72ebdc3dcaccbe99f754c63a.tar.gz lwn-2f0c84571b89108c72ebdc3dcaccbe99f754c63a.zip | |
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 'lib')
| -rw-r--r-- | lib/spinlock_debug.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c index 5f41fad4d302..70b5c1c27c07 100644 --- a/lib/spinlock_debug.c +++ b/lib/spinlock_debug.c @@ -31,6 +31,7 @@ void __atomic_spin_lock_init(atomic_spinlock_t *lock, const char *name, EXPORT_SYMBOL(__atomic_spin_lock_init); +#ifndef CONFIG_PREEMPT_RT void __rwlock_init(rwlock_t *lock, const char *name, struct lock_class_key *key) { @@ -46,8 +47,8 @@ void __rwlock_init(rwlock_t *lock, const char *name, lock->owner = SPINLOCK_OWNER_INIT; lock->owner_cpu = -1; } - EXPORT_SYMBOL(__rwlock_init); +#endif static void spin_bug(atomic_spinlock_t *lock, const char *msg) { @@ -154,6 +155,8 @@ void _raw_spin_unlock(atomic_spinlock_t *lock) __raw_spin_unlock(&lock->raw_lock); } +#ifndef CONFIG_PREEMPT_RT + static void rwlock_bug(rwlock_t *lock, const char *msg) { if (!debug_locks_off()) @@ -295,3 +298,4 @@ void _raw_write_unlock(rwlock_t *lock) debug_write_unlock(lock); __raw_write_unlock(&lock->raw_lock); } +#endif |