diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-12-03 14:08:46 -0500 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-12-14 17:55:32 -0500 |
| commit | e5931943d02bf751b1ec849c0d2ade23d76a8d41 (patch) | |
| tree | 119fe3bc583d0d043d97cb9edd98bad52692a546 /arch/mips/include | |
| parent | fb3a6bbc912b12347614e5742c7c61416cdb0ca0 (diff) | |
locking: Convert raw_rwlock functions to arch_rwlock
Name space cleanup for rwlock functions. 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/mips/include')
| -rw-r--r-- | arch/mips/include/asm/spinlock.h | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h index 7bf27c8a3364..21ef9efbde43 100644 --- a/arch/mips/include/asm/spinlock.h +++ b/arch/mips/include/asm/spinlock.h | |||
| @@ -248,21 +248,21 @@ static inline unsigned int arch_spin_trylock(arch_spinlock_t *lock) | |||
| 248 | * read_can_lock - would read_trylock() succeed? | 248 | * read_can_lock - would read_trylock() succeed? |
| 249 | * @lock: the rwlock in question. | 249 | * @lock: the rwlock in question. |
| 250 | */ | 250 | */ |
| 251 | #define __raw_read_can_lock(rw) ((rw)->lock >= 0) | 251 | #define arch_read_can_lock(rw) ((rw)->lock >= 0) |
| 252 | 252 | ||
| 253 | /* | 253 | /* |
| 254 | * write_can_lock - would write_trylock() succeed? | 254 | * write_can_lock - would write_trylock() succeed? |
| 255 | * @lock: the rwlock in question. | 255 | * @lock: the rwlock in question. |
| 256 | */ | 256 | */ |
| 257 | #define __raw_write_can_lock(rw) (!(rw)->lock) | 257 | #define arch_write_can_lock(rw) (!(rw)->lock) |
| 258 | 258 | ||
| 259 | static inline void __raw_read_lock(arch_rwlock_t *rw) | 259 | static inline void arch_read_lock(arch_rwlock_t *rw) |
| 260 | { | 260 | { |
| 261 | unsigned int tmp; | 261 | unsigned int tmp; |
| 262 | 262 | ||
| 263 | if (R10000_LLSC_WAR) { | 263 | if (R10000_LLSC_WAR) { |
| 264 | __asm__ __volatile__( | 264 | __asm__ __volatile__( |
| 265 | " .set noreorder # __raw_read_lock \n" | 265 | " .set noreorder # arch_read_lock \n" |
| 266 | "1: ll %1, %2 \n" | 266 | "1: ll %1, %2 \n" |
| 267 | " bltz %1, 1b \n" | 267 | " bltz %1, 1b \n" |
| 268 | " addu %1, 1 \n" | 268 | " addu %1, 1 \n" |
| @@ -275,7 +275,7 @@ static inline void __raw_read_lock(arch_rwlock_t *rw) | |||
| 275 | : "memory"); | 275 | : "memory"); |
| 276 | } else { | 276 | } else { |
| 277 | __asm__ __volatile__( | 277 | __asm__ __volatile__( |
| 278 | " .set noreorder # __raw_read_lock \n" | 278 | " .set noreorder # arch_read_lock \n" |
| 279 | "1: ll %1, %2 \n" | 279 | "1: ll %1, %2 \n" |
| 280 | " bltz %1, 2f \n" | 280 | " bltz %1, 2f \n" |
| 281 | " addu %1, 1 \n" | 281 | " addu %1, 1 \n" |
| @@ -301,7 +301,7 @@ static inline void __raw_read_lock(arch_rwlock_t *rw) | |||
| 301 | /* Note the use of sub, not subu which will make the kernel die with an | 301 | /* Note the use of sub, not subu which will make the kernel die with an |
| 302 | overflow exception if we ever try to unlock an rwlock that is already | 302 | overflow exception if we ever try to unlock an rwlock that is already |
| 303 | unlocked or is being held by a writer. */ | 303 | unlocked or is being held by a writer. */ |
| 304 | static inline void __raw_read_unlock(arch_rwlock_t *rw) | 304 | static inline void arch_read_unlock(arch_rwlock_t *rw) |
| 305 | { | 305 | { |
| 306 | unsigned int tmp; | 306 | unsigned int tmp; |
| 307 | 307 | ||
| @@ -309,7 +309,7 @@ static inline void __raw_read_unlock(arch_rwlock_t *rw) | |||
| 309 | 309 | ||
| 310 | if (R10000_LLSC_WAR) { | 310 | if (R10000_LLSC_WAR) { |
| 311 | __asm__ __volatile__( | 311 | __asm__ __volatile__( |
| 312 | "1: ll %1, %2 # __raw_read_unlock \n" | 312 | "1: ll %1, %2 # arch_read_unlock \n" |
| 313 | " sub %1, 1 \n" | 313 | " sub %1, 1 \n" |
| 314 | " sc %1, %0 \n" | 314 | " sc %1, %0 \n" |
| 315 | " beqzl %1, 1b \n" | 315 | " beqzl %1, 1b \n" |
| @@ -318,7 +318,7 @@ static inline void __raw_read_unlock(arch_rwlock_t *rw) | |||
| 318 | : "memory"); | 318 | : "memory"); |
| 319 | } else { | 319 | } else { |
| 320 | __asm__ __volatile__( | 320 | __asm__ __volatile__( |
| 321 | " .set noreorder # __raw_read_unlock \n" | 321 | " .set noreorder # arch_read_unlock \n" |
| 322 | "1: ll %1, %2 \n" | 322 | "1: ll %1, %2 \n" |
| 323 | " sub %1, 1 \n" | 323 | " sub %1, 1 \n" |
| 324 | " sc %1, %0 \n" | 324 | " sc %1, %0 \n" |
| @@ -335,13 +335,13 @@ static inline void __raw_read_unlock(arch_rwlock_t *rw) | |||
| 335 | } | 335 | } |
| 336 | } | 336 | } |
| 337 | 337 | ||
| 338 | static inline void __raw_write_lock(arch_rwlock_t *rw) | 338 | static inline void arch_write_lock(arch_rwlock_t *rw) |
| 339 | { | 339 | { |
| 340 | unsigned int tmp; | 340 | unsigned int tmp; |
| 341 | 341 | ||
| 342 | if (R10000_LLSC_WAR) { | 342 | if (R10000_LLSC_WAR) { |
| 343 | __asm__ __volatile__( | 343 | __asm__ __volatile__( |
| 344 | " .set noreorder # __raw_write_lock \n" | 344 | " .set noreorder # arch_write_lock \n" |
| 345 | "1: ll %1, %2 \n" | 345 | "1: ll %1, %2 \n" |
| 346 | " bnez %1, 1b \n" | 346 | " bnez %1, 1b \n" |
| 347 | " lui %1, 0x8000 \n" | 347 | " lui %1, 0x8000 \n" |
| @@ -354,7 +354,7 @@ static inline void __raw_write_lock(arch_rwlock_t *rw) | |||
| 354 | : "memory"); | 354 | : "memory"); |
| 355 | } else { | 355 | } else { |
| 356 | __asm__ __volatile__( | 356 | __asm__ __volatile__( |
| 357 | " .set noreorder # __raw_write_lock \n" | 357 | " .set noreorder # arch_write_lock \n" |
| 358 | "1: ll %1, %2 \n" | 358 | "1: ll %1, %2 \n" |
| 359 | " bnez %1, 2f \n" | 359 | " bnez %1, 2f \n" |
| 360 | " lui %1, 0x8000 \n" | 360 | " lui %1, 0x8000 \n" |
| @@ -377,26 +377,26 @@ static inline void __raw_write_lock(arch_rwlock_t *rw) | |||
| 377 | smp_llsc_mb(); | 377 | smp_llsc_mb(); |
| 378 | } | 378 | } |
| 379 | 379 | ||
| 380 | static inline void __raw_write_unlock(arch_rwlock_t *rw) | 380 | static inline void arch_write_unlock(arch_rwlock_t *rw) |
| 381 | { | 381 | { |
| 382 | smp_mb(); | 382 | smp_mb(); |
| 383 | 383 | ||
| 384 | __asm__ __volatile__( | 384 | __asm__ __volatile__( |
| 385 | " # __raw_write_unlock \n" | 385 | " # arch_write_unlock \n" |
| 386 | " sw $0, %0 \n" | 386 | " sw $0, %0 \n" |
| 387 | : "=m" (rw->lock) | 387 | : "=m" (rw->lock) |
| 388 | : "m" (rw->lock) | 388 | : "m" (rw->lock) |
| 389 | : "memory"); | 389 | : "memory"); |
| 390 | } | 390 | } |
| 391 | 391 | ||
| 392 | static inline int __raw_read_trylock(arch_rwlock_t *rw) | 392 | static inline int arch_read_trylock(arch_rwlock_t *rw) |
| 393 | { | 393 | { |
| 394 | unsigned int tmp; | 394 | unsigned int tmp; |
| 395 | int ret; | 395 | int ret; |
| 396 | 396 | ||
| 397 | if (R10000_LLSC_WAR) { | 397 | if (R10000_LLSC_WAR) { |
| 398 | __asm__ __volatile__( | 398 | __asm__ __volatile__( |
| 399 | " .set noreorder # __raw_read_trylock \n" | 399 | " .set noreorder # arch_read_trylock \n" |
| 400 | " li %2, 0 \n" | 400 | " li %2, 0 \n" |
| 401 | "1: ll %1, %3 \n" | 401 | "1: ll %1, %3 \n" |
| 402 | " bltz %1, 2f \n" | 402 | " bltz %1, 2f \n" |
| @@ -413,7 +413,7 @@ static inline int __raw_read_trylock(arch_rwlock_t *rw) | |||
| 413 | : "memory"); | 413 | : "memory"); |
| 414 | } else { | 414 | } else { |
| 415 | __asm__ __volatile__( | 415 | __asm__ __volatile__( |
| 416 | " .set noreorder # __raw_read_trylock \n" | 416 | " .set noreorder # arch_read_trylock \n" |
| 417 | " li %2, 0 \n" | 417 | " li %2, 0 \n" |
| 418 | "1: ll %1, %3 \n" | 418 | "1: ll %1, %3 \n" |
| 419 | " bltz %1, 2f \n" | 419 | " bltz %1, 2f \n" |
| @@ -433,14 +433,14 @@ static inline int __raw_read_trylock(arch_rwlock_t *rw) | |||
| 433 | return ret; | 433 | return ret; |
| 434 | } | 434 | } |
| 435 | 435 | ||
| 436 | static inline int __raw_write_trylock(arch_rwlock_t *rw) | 436 | static inline int arch_write_trylock(arch_rwlock_t *rw) |
| 437 | { | 437 | { |
| 438 | unsigned int tmp; | 438 | unsigned int tmp; |
| 439 | int ret; | 439 | int ret; |
| 440 | 440 | ||
| 441 | if (R10000_LLSC_WAR) { | 441 | if (R10000_LLSC_WAR) { |
| 442 | __asm__ __volatile__( | 442 | __asm__ __volatile__( |
| 443 | " .set noreorder # __raw_write_trylock \n" | 443 | " .set noreorder # arch_write_trylock \n" |
| 444 | " li %2, 0 \n" | 444 | " li %2, 0 \n" |
| 445 | "1: ll %1, %3 \n" | 445 | "1: ll %1, %3 \n" |
| 446 | " bnez %1, 2f \n" | 446 | " bnez %1, 2f \n" |
| @@ -457,7 +457,7 @@ static inline int __raw_write_trylock(arch_rwlock_t *rw) | |||
| 457 | : "memory"); | 457 | : "memory"); |
| 458 | } else { | 458 | } else { |
| 459 | __asm__ __volatile__( | 459 | __asm__ __volatile__( |
| 460 | " .set noreorder # __raw_write_trylock \n" | 460 | " .set noreorder # arch_write_trylock \n" |
| 461 | " li %2, 0 \n" | 461 | " li %2, 0 \n" |
| 462 | "1: ll %1, %3 \n" | 462 | "1: ll %1, %3 \n" |
| 463 | " bnez %1, 2f \n" | 463 | " bnez %1, 2f \n" |
| @@ -480,8 +480,8 @@ static inline int __raw_write_trylock(arch_rwlock_t *rw) | |||
| 480 | return ret; | 480 | return ret; |
| 481 | } | 481 | } |
| 482 | 482 | ||
| 483 | #define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock) | 483 | #define arch_read_lock_flags(lock, flags) arch_read_lock(lock) |
| 484 | #define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock) | 484 | #define arch_write_lock_flags(lock, flags) arch_write_lock(lock) |
| 485 | 485 | ||
| 486 | #define arch_spin_relax(lock) cpu_relax() | 486 | #define arch_spin_relax(lock) cpu_relax() |
| 487 | #define arch_read_relax(lock) cpu_relax() | 487 | #define arch_read_relax(lock) cpu_relax() |
