diff options
author | Ingo Molnar <mingo@kernel.org> | 2017-02-16 17:25:24 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2017-02-16 17:25:24 +0100 |
commit | c6b80e99694002e17f8bca611cf3b4fac3ec75bb (patch) | |
tree | 815fec65f079b6fefb0e29b37145545f814c3b77 /include/asm-generic | |
parent | 0b10f83694ee9e092914a0e7a7d5561de190047e (diff) | |
parent | bc88c10d7e6900916f5e1ba3829d66a9de92b633 (diff) |
Merge branch 'locking/core'
Diffstat (limited to 'include/asm-generic')
-rw-r--r-- | include/asm-generic/rwsem.h | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/include/asm-generic/rwsem.h b/include/asm-generic/rwsem.h index 5be122e3d326..6c6a2141f271 100644 --- a/include/asm-generic/rwsem.h +++ b/include/asm-generic/rwsem.h @@ -33,7 +33,7 @@ */ static inline void __down_read(struct rw_semaphore *sem) { - if (unlikely(atomic_long_inc_return_acquire((atomic_long_t *)&sem->count) <= 0)) + if (unlikely(atomic_long_inc_return_acquire(&sem->count) <= 0)) rwsem_down_read_failed(sem); } @@ -58,7 +58,7 @@ static inline void __down_write(struct rw_semaphore *sem) long tmp; tmp = atomic_long_add_return_acquire(RWSEM_ACTIVE_WRITE_BIAS, - (atomic_long_t *)&sem->count); + &sem->count); if (unlikely(tmp != RWSEM_ACTIVE_WRITE_BIAS)) rwsem_down_write_failed(sem); } @@ -68,7 +68,7 @@ static inline int __down_write_killable(struct rw_semaphore *sem) long tmp; tmp = atomic_long_add_return_acquire(RWSEM_ACTIVE_WRITE_BIAS, - (atomic_long_t *)&sem->count); + &sem->count); if (unlikely(tmp != RWSEM_ACTIVE_WRITE_BIAS)) if (IS_ERR(rwsem_down_write_failed_killable(sem))) return -EINTR; @@ -91,7 +91,7 @@ static inline void __up_read(struct rw_semaphore *sem) { long tmp; - tmp = atomic_long_dec_return_release((atomic_long_t *)&sem->count); + tmp = atomic_long_dec_return_release(&sem->count); if (unlikely(tmp < -1 && (tmp & RWSEM_ACTIVE_MASK) == 0)) rwsem_wake(sem); } @@ -102,7 +102,7 @@ static inline void __up_read(struct rw_semaphore *sem) static inline void __up_write(struct rw_semaphore *sem) { if (unlikely(atomic_long_sub_return_release(RWSEM_ACTIVE_WRITE_BIAS, - (atomic_long_t *)&sem->count) < 0)) + &sem->count) < 0)) rwsem_wake(sem); } @@ -120,8 +120,7 @@ static inline void __downgrade_write(struct rw_semaphore *sem) * read-locked region is ok to be re-ordered into the * write side. As such, rely on RELEASE semantics. */ - tmp = atomic_long_add_return_release(-RWSEM_WAITING_BIAS, - (atomic_long_t *)&sem->count); + tmp = atomic_long_add_return_release(-RWSEM_WAITING_BIAS, &sem->count); if (tmp < 0) rwsem_downgrade_wake(sem); } |