Pull acpi_device_handle_cleanup into release branch

[cascardo/linux.git] / kernel / spinlock.c

diff --git a/kernel/spinlock.c b/kernel/spinlock.c
index 0375fcd..b31e54e 100644 (file)
--- a/kernel/spinlock.c
+++ b/kernel/spinlock.c
@@ -9,7 +9,6 @@
  * SMP and the DEBUG_SPINLOCK cases. (UP-nondebug inlines them)
  */
 
-#include <linux/config.h>
 #include <linux/linkage.h>
 #include <linux/preempt.h>
 #include <linux/spinlock.h>
@@ -179,16 +178,16 @@ 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 +198,18 @@ 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;                                                   \