---

yaml --- r: 23082 b: refs/heads/master c: ee25e96 h: refs/heads/master v: v3
git-mirror · Mar 23, 2006 · 082248f · 082248f
1 parent 6f4be68
commit 082248f
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: eb8782ef72758b8700963ef8b949f5c812e6d630
+refs/heads/master: ee25e96fcd78837c9f192aa655ce12a88bfd63d4
diff --git a/trunk/kernel/spinlock.c b/trunk/kernel/spinlock.c
@@ -179,16 +179,16 @@ EXPORT_SYMBOL(_write_lock);
 #define BUILD_LOCK_OPS(op, locktype)					\
 void __lockfunc _##op##_lock(locktype##_t *lock)			\
 {									\
-	preempt_disable();						\
 	for (;;) {							\
+		preempt_disable();					\
 		if (likely(_raw_##op##_trylock(lock)))			\
 			break;						\
 		preempt_enable();					\
+									\
 		if (!(lock)->break_lock)				\
 			(lock)->break_lock = 1;				\
 		while (!op##_can_lock(lock) && (lock)->break_lock)	\
 			cpu_relax();					\
-		preempt_disable();					\
 	}								\
 	(lock)->break_lock = 0;						\
 }									\
@@ -199,19 +199,18 @@ unsigned long __lockfunc _##op##_lock_irqsave(locktype##_t *lock)	\
 {									\
 	unsigned long flags;						\
 									\
-	preempt_disable();						\
 	for (;;) {							\
+		preempt_disable();					\
 		local_irq_save(flags);					\
 		if (likely(_raw_##op##_trylock(lock)))			\
 			break;						\
 		local_irq_restore(flags);				\
-									\
 		preempt_enable();					\
+									\
 		if (!(lock)->break_lock)				\
 			(lock)->break_lock = 1;				\
 		while (!op##_can_lock(lock) && (lock)->break_lock)	\
 			cpu_relax();					\
-		preempt_disable();					\
 	}								\
 	(lock)->break_lock = 0;						\
 	return flags;							\