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authorThomas Gleixner <tglx@linutronix.de>2009-07-26 19:39:56 +0200
committerClark Williams <williams@redhat.com>2012-02-15 10:32:54 -0600
commit2ff6739214376c5df4256fdd90d1a7568f8635ba (patch)
tree8bc9bde541e8f4c70b4abdb8e476c43774025491 /lib
parente20687cc46f67d655858310d951dccb51d0dcb1b (diff)
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.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c
index 5f3eacdd6178..f8247045a990 100644
--- a/lib/spinlock_debug.c
+++ b/lib/spinlock_debug.c
@@ -31,6 +31,7 @@ void __raw_spin_lock_init(raw_spinlock_t *lock, const char *name,
EXPORT_SYMBOL(__raw_spin_lock_init);
+#ifndef CONFIG_PREEMPT_RT_FULL
void __rwlock_init(rwlock_t *lock, const char *name,
struct lock_class_key *key)
{
@@ -48,6 +49,7 @@ void __rwlock_init(rwlock_t *lock, const char *name,
}
EXPORT_SYMBOL(__rwlock_init);
+#endif
static void spin_dump(raw_spinlock_t *lock, const char *msg)
{
@@ -155,6 +157,7 @@ void do_raw_spin_unlock(raw_spinlock_t *lock)
arch_spin_unlock(&lock->raw_lock);
}
+#ifndef CONFIG_PREEMPT_RT_FULL
static void rwlock_bug(rwlock_t *lock, const char *msg)
{
if (!debug_locks_off())
@@ -296,3 +299,5 @@ void do_raw_write_unlock(rwlock_t *lock)
debug_write_unlock(lock);
arch_write_unlock(&lock->raw_lock);
}
+
+#endif