include/asm-x86/rwsem.h: checkpatch cleanups - formatting only

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 86 insertions, 83 deletions

diff --git a/include/asm-x86/rwsem.h b/include/asm-x86/rwsem.h
index 520a379f4b80..750f2a3542b3 100644
--- a/include/asm-x86/rwsem.h
+++ b/include/asm-x86/rwsem.h
@@ -56,14 +56,16 @@ extern asmregparm struct rw_semaphore *
 /*
  * the semaphore definition
  */
-struct rw_semaphore {
-        signed long             count;
+
 #define RWSEM_UNLOCKED_VALUE            0x00000000
 #define RWSEM_ACTIVE_BIAS               0x00000001
 #define RWSEM_ACTIVE_MASK               0x0000ffff
 #define RWSEM_WAITING_BIAS              (-0x00010000)
 #define RWSEM_ACTIVE_READ_BIAS          RWSEM_ACTIVE_BIAS
 #define RWSEM_ACTIVE_WRITE_BIAS         (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
+
+struct rw_semaphore {
+        signed long             count;
         spinlock_t              wait_lock;
         struct list_head        wait_list;
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
@@ -78,11 +80,13 @@ struct rw_semaphore {
 #endif
 
 
-#define __RWSEM_INITIALIZER(name) \
-{ RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED((name).wait_lock), \
-  LIST_HEAD_INIT((name).wait_list) __RWSEM_DEP_MAP_INIT(name) }
+#define __RWSEM_INITIALIZER(name)                               \
+{                                                               \
+        RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED((name).wait_lock), \
+        LIST_HEAD_INIT((name).wait_list) __RWSEM_DEP_MAP_INIT(name) \
+}
 
-#define DECLARE_RWSEM(name) \
+#define DECLARE_RWSEM(name)                                     \
         struct rw_semaphore name = __RWSEM_INITIALIZER(name)
 
 extern void __init_rwsem(struct rw_semaphore *sem, const char *name,
@@ -100,16 +104,16 @@ do {								\
  */
 static inline void __down_read(struct rw_semaphore *sem)
 {
-        __asm__ __volatile__(
-                "# beginning down_read\n\t"
-LOCK_PREFIX     "  incl      (%%eax)\n\t" /* adds 0x00000001, returns the old value */
-                "  jns        1f\n"
-                "  call call_rwsem_down_read_failed\n"
-                "1:\n\t"
-                "# ending down_read\n\t"
-                : "+m" (sem->count)
-                : "a" (sem)
-                : "memory", "cc");
+        asm volatile("# beginning down_read\n\t"
+                     LOCK_PREFIX "  incl      (%%eax)\n\t"
+                     /* adds 0x00000001, returns the old value */
+                     "  jns        1f\n"
+                     "  call call_rwsem_down_read_failed\n"
+                     "1:\n\t"
+                     "# ending down_read\n\t"
+                     : "+m" (sem->count)
+                     : "a" (sem)
+                     : "memory", "cc");
 }
 
 /*
@@ -118,21 +122,20 @@ LOCK_PREFIX	"  incl      (%%eax)\n\t" /* adds 0x00000001, returns the old value
 static inline int __down_read_trylock(struct rw_semaphore *sem)
 {
         __s32 result, tmp;
-        __asm__ __volatile__(
-                "# beginning __down_read_trylock\n\t"
-                "  movl      %0,%1\n\t"
-                "1:\n\t"
-                "  movl      %1,%2\n\t"
-                "  addl      %3,%2\n\t"
-                "  jle       2f\n\t"
-LOCK_PREFIX     "  cmpxchgl  %2,%0\n\t"
-                "  jnz       1b\n\t"
-                "2:\n\t"
-                "# ending __down_read_trylock\n\t"
-                : "+m" (sem->count), "=&a" (result), "=&r" (tmp)
-                : "i" (RWSEM_ACTIVE_READ_BIAS)
-                : "memory", "cc");
-        return result>=0 ? 1 : 0;
+        asm volatile("# beginning __down_read_trylock\n\t"
+                     "  movl      %0,%1\n\t"
+                     "1:\n\t"
+                     "  movl         %1,%2\n\t"
+                     "  addl      %3,%2\n\t"
+                     "  jle          2f\n\t"
+                     LOCK_PREFIX "  cmpxchgl  %2,%0\n\t"
+                     "  jnz          1b\n\t"
+                     "2:\n\t"
+                     "# ending __down_read_trylock\n\t"
+                     : "+m" (sem->count), "=&a" (result), "=&r" (tmp)
+                     : "i" (RWSEM_ACTIVE_READ_BIAS)
+                     : "memory", "cc");
+        return result >= 0 ? 1 : 0;
 }
 
 /*
@@ -143,17 +146,18 @@ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
         int tmp;
 
         tmp = RWSEM_ACTIVE_WRITE_BIAS;
-        __asm__ __volatile__(
-                "# beginning down_write\n\t"
-LOCK_PREFIX     "  xadd      %%edx,(%%eax)\n\t" /* subtract 0x0000ffff, returns the old value */
-                "  testl     %%edx,%%edx\n\t" /* was the count 0 before? */
-                "  jz        1f\n"
-                "  call call_rwsem_down_write_failed\n"
-                "1:\n"
-                "# ending down_write"
-                : "+m" (sem->count), "=d" (tmp)
-                : "a" (sem), "1" (tmp)
-                : "memory", "cc");
+        asm volatile("# beginning down_write\n\t"
+                     LOCK_PREFIX "  xadd      %%edx,(%%eax)\n\t"
+                     /* subtract 0x0000ffff, returns the old value */
+                     "  testl     %%edx,%%edx\n\t"
+                     /* was the count 0 before? */
+                     "  jz        1f\n"
+                     "  call call_rwsem_down_write_failed\n"
+                     "1:\n"
+                     "# ending down_write"
+                     : "+m" (sem->count), "=d" (tmp)
+                     : "a" (sem), "1" (tmp)
+                     : "memory", "cc");
 }
 
 static inline void __down_write(struct rw_semaphore *sem)
@@ -167,7 +171,7 @@ static inline void __down_write(struct rw_semaphore *sem)
 static inline int __down_write_trylock(struct rw_semaphore *sem)
 {
         signed long ret = cmpxchg(&sem->count,
-                                  RWSEM_UNLOCKED_VALUE, 
+                                  RWSEM_UNLOCKED_VALUE,
                                   RWSEM_ACTIVE_WRITE_BIAS);
         if (ret == RWSEM_UNLOCKED_VALUE)
                 return 1;
@@ -180,16 +184,16 @@ static inline int __down_write_trylock(struct rw_semaphore *sem)
 static inline void __up_read(struct rw_semaphore *sem)
 {
         __s32 tmp = -RWSEM_ACTIVE_READ_BIAS;
-        __asm__ __volatile__(
-                "# beginning __up_read\n\t"
-LOCK_PREFIX     "  xadd      %%edx,(%%eax)\n\t" /* subtracts 1, returns the old value */
-                "  jns        1f\n\t"
-                "  call call_rwsem_wake\n"
-                "1:\n"
-                "# ending __up_read\n"
-                : "+m" (sem->count), "=d" (tmp)
-                : "a" (sem), "1" (tmp)
-                : "memory", "cc");
+        asm volatile("# beginning __up_read\n\t"
+                     LOCK_PREFIX "  xadd      %%edx,(%%eax)\n\t"
+                     /* subtracts 1, returns the old value */
+                     "  jns        1f\n\t"
+                     "  call call_rwsem_wake\n"
+                     "1:\n"
+                     "# ending __up_read\n"
+                     : "+m" (sem->count), "=d" (tmp)
+                     : "a" (sem), "1" (tmp)
+                     : "memory", "cc");
 }
 
 /*
@@ -197,17 +201,18 @@ LOCK_PREFIX	"  xadd      %%edx,(%%eax)\n\t" /* subtracts 1, returns the old valu
  */
 static inline void __up_write(struct rw_semaphore *sem)
 {
-        __asm__ __volatile__(
-                "# beginning __up_write\n\t"
-                "  movl      %2,%%edx\n\t"
-LOCK_PREFIX     "  xaddl     %%edx,(%%eax)\n\t" /* tries to transition 0xffff0001 -> 0x00000000 */
-                "  jz       1f\n"
-                "  call call_rwsem_wake\n"
-                "1:\n\t"
-                "# ending __up_write\n"
-                : "+m" (sem->count)
-                : "a" (sem), "i" (-RWSEM_ACTIVE_WRITE_BIAS)
-                : "memory", "cc", "edx");
+        asm volatile("# beginning __up_write\n\t"
+                     "  movl      %2,%%edx\n\t"
+                     LOCK_PREFIX "  xaddl     %%edx,(%%eax)\n\t"
+                     /* tries to transition
+                        0xffff0001 -> 0x00000000 */
+                     "  jz       1f\n"
+                     "  call call_rwsem_wake\n"
+                     "1:\n\t"
+                     "# ending __up_write\n"
+                     : "+m" (sem->count)
+                     : "a" (sem), "i" (-RWSEM_ACTIVE_WRITE_BIAS)
+                     : "memory", "cc", "edx");
 }
 
 /*
@@ -215,16 +220,16 @@ LOCK_PREFIX	"  xaddl     %%edx,(%%eax)\n\t" /* tries to transition 0xffff0001 ->
  */
 static inline void __downgrade_write(struct rw_semaphore *sem)
 {
-        __asm__ __volatile__(
-                "# beginning __downgrade_write\n\t"
-LOCK_PREFIX     "  addl      %2,(%%eax)\n\t" /* transitions 0xZZZZ0001 -> 0xYYYY0001 */
-                "  jns       1f\n\t"
-                "  call call_rwsem_downgrade_wake\n"
-                "1:\n\t"
-                "# ending __downgrade_write\n"
-                : "+m" (sem->count)
-                : "a" (sem), "i" (-RWSEM_WAITING_BIAS)
-                : "memory", "cc");
+        asm volatile("# beginning __downgrade_write\n\t"
+                     LOCK_PREFIX "  addl      %2,(%%eax)\n\t"
+                     /* transitions 0xZZZZ0001 -> 0xYYYY0001 */
+                     "  jns       1f\n\t"
+                     "  call call_rwsem_downgrade_wake\n"
+                     "1:\n\t"
+                     "# ending __downgrade_write\n"
+                     : "+m" (sem->count)
+                     : "a" (sem), "i" (-RWSEM_WAITING_BIAS)
+                     : "memory", "cc");
 }
 
 /*
@@ -232,10 +237,9 @@ LOCK_PREFIX	"  addl      %2,(%%eax)\n\t" /* transitions 0xZZZZ0001 -> 0xYYYY0001
  */
 static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem)
 {
-        __asm__ __volatile__(
-LOCK_PREFIX     "addl %1,%0"
-                : "+m" (sem->count)
-                : "ir" (delta));
+        asm volatile(LOCK_PREFIX "addl %1,%0"
+                     : "+m" (sem->count)
+                     : "ir" (delta));
 }
 
 /*
@@ -245,12 +249,11 @@ static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem)
 {
         int tmp = delta;
 
-        __asm__ __volatile__(
-LOCK_PREFIX     "xadd %0,%1"
-                : "+r" (tmp), "+m" (sem->count)
-                : : "memory");
+        asm volatile(LOCK_PREFIX "xadd %0,%1"
+                     : "+r" (tmp), "+m" (sem->count)
+                     : : "memory");
 
-        return tmp+delta;
+        return tmp + delta;
 }
 
 static inline int rwsem_is_locked(struct rw_semaphore *sem)