diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2009-12-03 14:01:19 -0500 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2009-12-14 17:55:32 -0500 |
commit | fb3a6bbc912b12347614e5742c7c61416cdb0ca0 (patch) | |
tree | f9dbf8dab23cea6f033a58672ba16abf2ae09ebd /arch/x86/include | |
parent | 0199c4e68d1f02894bdefe4b5d9e9ee4aedd8d62 (diff) |
locking: Convert raw_rwlock to arch_rwlock
Not strictly necessary for -rt as -rt does not have non sleeping
rwlocks, but it's odd to not have a consistent naming convention.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: linux-arch@vger.kernel.org
Diffstat (limited to 'arch/x86/include')
-rw-r--r-- | arch/x86/include/asm/spinlock.h | 16 | ||||
-rw-r--r-- | arch/x86/include/asm/spinlock_types.h | 4 |
2 files changed, 10 insertions, 10 deletions
diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h index ab9055fd57d9..99cb86e843a0 100644 --- a/arch/x86/include/asm/spinlock.h +++ b/arch/x86/include/asm/spinlock.h | |||
@@ -232,7 +232,7 @@ static inline void arch_spin_unlock_wait(arch_spinlock_t *lock) | |||
232 | * read_can_lock - would read_trylock() succeed? | 232 | * read_can_lock - would read_trylock() succeed? |
233 | * @lock: the rwlock in question. | 233 | * @lock: the rwlock in question. |
234 | */ | 234 | */ |
235 | static inline int __raw_read_can_lock(raw_rwlock_t *lock) | 235 | static inline int __raw_read_can_lock(arch_rwlock_t *lock) |
236 | { | 236 | { |
237 | return (int)(lock)->lock > 0; | 237 | return (int)(lock)->lock > 0; |
238 | } | 238 | } |
@@ -241,12 +241,12 @@ static inline int __raw_read_can_lock(raw_rwlock_t *lock) | |||
241 | * write_can_lock - would write_trylock() succeed? | 241 | * write_can_lock - would write_trylock() succeed? |
242 | * @lock: the rwlock in question. | 242 | * @lock: the rwlock in question. |
243 | */ | 243 | */ |
244 | static inline int __raw_write_can_lock(raw_rwlock_t *lock) | 244 | static inline int __raw_write_can_lock(arch_rwlock_t *lock) |
245 | { | 245 | { |
246 | return (lock)->lock == RW_LOCK_BIAS; | 246 | return (lock)->lock == RW_LOCK_BIAS; |
247 | } | 247 | } |
248 | 248 | ||
249 | static inline void __raw_read_lock(raw_rwlock_t *rw) | 249 | static inline void __raw_read_lock(arch_rwlock_t *rw) |
250 | { | 250 | { |
251 | asm volatile(LOCK_PREFIX " subl $1,(%0)\n\t" | 251 | asm volatile(LOCK_PREFIX " subl $1,(%0)\n\t" |
252 | "jns 1f\n" | 252 | "jns 1f\n" |
@@ -255,7 +255,7 @@ static inline void __raw_read_lock(raw_rwlock_t *rw) | |||
255 | ::LOCK_PTR_REG (rw) : "memory"); | 255 | ::LOCK_PTR_REG (rw) : "memory"); |
256 | } | 256 | } |
257 | 257 | ||
258 | static inline void __raw_write_lock(raw_rwlock_t *rw) | 258 | static inline void __raw_write_lock(arch_rwlock_t *rw) |
259 | { | 259 | { |
260 | asm volatile(LOCK_PREFIX " subl %1,(%0)\n\t" | 260 | asm volatile(LOCK_PREFIX " subl %1,(%0)\n\t" |
261 | "jz 1f\n" | 261 | "jz 1f\n" |
@@ -264,7 +264,7 @@ static inline void __raw_write_lock(raw_rwlock_t *rw) | |||
264 | ::LOCK_PTR_REG (rw), "i" (RW_LOCK_BIAS) : "memory"); | 264 | ::LOCK_PTR_REG (rw), "i" (RW_LOCK_BIAS) : "memory"); |
265 | } | 265 | } |
266 | 266 | ||
267 | static inline int __raw_read_trylock(raw_rwlock_t *lock) | 267 | static inline int __raw_read_trylock(arch_rwlock_t *lock) |
268 | { | 268 | { |
269 | atomic_t *count = (atomic_t *)lock; | 269 | atomic_t *count = (atomic_t *)lock; |
270 | 270 | ||
@@ -274,7 +274,7 @@ static inline int __raw_read_trylock(raw_rwlock_t *lock) | |||
274 | return 0; | 274 | return 0; |
275 | } | 275 | } |
276 | 276 | ||
277 | static inline int __raw_write_trylock(raw_rwlock_t *lock) | 277 | static inline int __raw_write_trylock(arch_rwlock_t *lock) |
278 | { | 278 | { |
279 | atomic_t *count = (atomic_t *)lock; | 279 | atomic_t *count = (atomic_t *)lock; |
280 | 280 | ||
@@ -284,12 +284,12 @@ static inline int __raw_write_trylock(raw_rwlock_t *lock) | |||
284 | return 0; | 284 | return 0; |
285 | } | 285 | } |
286 | 286 | ||
287 | static inline void __raw_read_unlock(raw_rwlock_t *rw) | 287 | static inline void __raw_read_unlock(arch_rwlock_t *rw) |
288 | { | 288 | { |
289 | asm volatile(LOCK_PREFIX "incl %0" :"+m" (rw->lock) : : "memory"); | 289 | asm volatile(LOCK_PREFIX "incl %0" :"+m" (rw->lock) : : "memory"); |
290 | } | 290 | } |
291 | 291 | ||
292 | static inline void __raw_write_unlock(raw_rwlock_t *rw) | 292 | static inline void __raw_write_unlock(arch_rwlock_t *rw) |
293 | { | 293 | { |
294 | asm volatile(LOCK_PREFIX "addl %1, %0" | 294 | asm volatile(LOCK_PREFIX "addl %1, %0" |
295 | : "+m" (rw->lock) : "i" (RW_LOCK_BIAS) : "memory"); | 295 | : "+m" (rw->lock) : "i" (RW_LOCK_BIAS) : "memory"); |
diff --git a/arch/x86/include/asm/spinlock_types.h b/arch/x86/include/asm/spinlock_types.h index 696f8364a4f3..dcb48b2edc11 100644 --- a/arch/x86/include/asm/spinlock_types.h +++ b/arch/x86/include/asm/spinlock_types.h | |||
@@ -13,8 +13,8 @@ typedef struct arch_spinlock { | |||
13 | 13 | ||
14 | typedef struct { | 14 | typedef struct { |
15 | unsigned int lock; | 15 | unsigned int lock; |
16 | } raw_rwlock_t; | 16 | } arch_rwlock_t; |
17 | 17 | ||
18 | #define __RAW_RW_LOCK_UNLOCKED { RW_LOCK_BIAS } | 18 | #define __ARCH_RW_LOCK_UNLOCKED { RW_LOCK_BIAS } |
19 | 19 | ||
20 | #endif /* _ASM_X86_SPINLOCK_TYPES_H */ | 20 | #endif /* _ASM_X86_SPINLOCK_TYPES_H */ |