From 3f3eafc921e2378954c28cfd0eb10910449f4c11 Mon Sep 17 00:00:00 2001 From: Oleg Nesterov Date: Fri, 4 Apr 2008 20:54:10 +0200 Subject: [PATCH] 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 Cc: Arjan van de Ven Cc: Heiko Carstens Cc: Ingo Molnar Cc: Peter Zijlstra Signed-off-by: Andrew Morton Signed-off-by: Thomas Gleixner --- include/linux/spinlock.h | 37 ------------------------------------- 1 file changed, 37 deletions(-) diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 1129ee0a718..d311a090fae 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -295,43 +295,6 @@ do { \ 1 : ({ local_irq_restore(flags); 0; }); \ }) -/* - * 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) -- 2.41.1