X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Flinux%2Fspinlock.h;h=799be674794459e9a857a4c7218ad31d0cd05883;hb=a41622eaa97e40c811fb7756f403c0d4caa65654;hp=cdc99a27840d6433cabf5d7a6c5bfa6e43198215;hpb=7f93220b624de1b7d9fcff8a2cebd6fce7ed4665;p=powerpc.git

diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index cdc99a2784..799be67479 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -59,8 +59,7 @@
 /*
  * Must define these before including other files, inline functions need them
  */
-#define LOCK_SECTION_NAME                       \
-        ".text.lock." __stringify(KBUILD_BASENAME)
+#define LOCK_SECTION_NAME ".text.lock."KBUILD_BASENAME
 
 #define LOCK_SECTION_START(extra)               \
         ".subsection 1\n\t"                     \
@@ -171,23 +170,42 @@ extern int __lockfunc generic__raw_read_trylock(raw_rwlock_t *lock);
 #define write_lock_irq(lock)		_write_lock_irq(lock)
 #define write_lock_bh(lock)		_write_lock_bh(lock)
 
-#define spin_unlock(lock)		_spin_unlock(lock)
-#define write_unlock(lock)		_write_unlock(lock)
-#define read_unlock(lock)		_read_unlock(lock)
+/*
+ * We inline the unlock functions in the nondebug case:
+ */
+#if defined(CONFIG_DEBUG_SPINLOCK) || defined(CONFIG_PREEMPT) || !defined(CONFIG_SMP)
+# define spin_unlock(lock)		_spin_unlock(lock)
+# define read_unlock(lock)		_read_unlock(lock)
+# define write_unlock(lock)		_write_unlock(lock)
+#else
+# define spin_unlock(lock)		__raw_spin_unlock(&(lock)->raw_lock)
+# define read_unlock(lock)		__raw_read_unlock(&(lock)->raw_lock)
+# define write_unlock(lock)		__raw_write_unlock(&(lock)->raw_lock)
+#endif
+
+#if defined(CONFIG_DEBUG_SPINLOCK) || defined(CONFIG_PREEMPT) || !defined(CONFIG_SMP)
+# define spin_unlock_irq(lock)		_spin_unlock_irq(lock)
+# define read_unlock_irq(lock)		_read_unlock_irq(lock)
+# define write_unlock_irq(lock)		_write_unlock_irq(lock)
+#else
+# define spin_unlock_irq(lock) \
+    do { __raw_spin_unlock(&(lock)->raw_lock); local_irq_enable(); } while (0)
+# define read_unlock_irq(lock) \
+    do { __raw_read_unlock(&(lock)->raw_lock); local_irq_enable(); } while (0)
+# define write_unlock_irq(lock) \
+    do { __raw_write_unlock(&(lock)->raw_lock); local_irq_enable(); } while (0)
+#endif
 
 #define spin_unlock_irqrestore(lock, flags) \
 					_spin_unlock_irqrestore(lock, flags)
-#define spin_unlock_irq(lock)		_spin_unlock_irq(lock)
 #define spin_unlock_bh(lock)		_spin_unlock_bh(lock)
 
 #define read_unlock_irqrestore(lock, flags) \
 					_read_unlock_irqrestore(lock, flags)
-#define read_unlock_irq(lock)		_read_unlock_irq(lock)
 #define read_unlock_bh(lock)		_read_unlock_bh(lock)
 
 #define write_unlock_irqrestore(lock, flags) \
 					_write_unlock_irqrestore(lock, flags)
-#define write_unlock_irq(lock)		_write_unlock_irq(lock)
 #define write_unlock_bh(lock)		_write_unlock_bh(lock)
 
 #define spin_trylock_bh(lock)		__cond_lock(_spin_trylock_bh(lock))