diff options
| author | Oleg Nesterov <oleg@tv-sign.ru> | 2008-04-04 20:54:10 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-04-17 12:22:31 +0200 |
| commit | 3f3eafc921e2378954c28cfd0eb10910449f4c11 (patch) | |
| tree | 0e4c9b1527f0342991fad629f0a4b4d0d0aff756 /include/linux/spinlock.h | |
| parent | 8e60e05fdc7344415fa69a3883b11f65db967b47 (diff) | |
| download | lwn-3f3eafc921e2378954c28cfd0eb10910449f4c11.tar.gz lwn-3f3eafc921e2378954c28cfd0eb10910449f4c11.zip | |
locking: remove unused double_spin_lock()
double_spin_lock() has no callers, and it can't be used without additional
lockdep annotations, remove it.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/spinlock.h')
| -rw-r--r-- | include/linux/spinlock.h | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 1129ee0a7180..d311a090fae7 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -296,43 +296,6 @@ do { \ }) /* - * Locks two spinlocks l1 and l2. - * l1_first indicates if spinlock l1 should be taken first. - */ -static inline void double_spin_lock(spinlock_t *l1, spinlock_t *l2, - bool l1_first) - __acquires(l1) - __acquires(l2) -{ - if (l1_first) { - spin_lock(l1); - spin_lock(l2); - } else { - spin_lock(l2); - spin_lock(l1); - } -} - -/* - * Unlocks two spinlocks l1 and l2. - * l1_taken_first indicates if spinlock l1 was taken first and therefore - * should be released after spinlock l2. - */ -static inline void double_spin_unlock(spinlock_t *l1, spinlock_t *l2, - bool l1_taken_first) - __releases(l1) - __releases(l2) -{ - if (l1_taken_first) { - spin_unlock(l2); - spin_unlock(l1); - } else { - spin_unlock(l1); - spin_unlock(l2); - } -} - -/* * Pull the atomic_t declaration: * (asm-mips/atomic.h needs above definitions) */ |