diff options
Diffstat (limited to 'arch/tile')
| -rw-r--r-- | arch/tile/gxio/dma_queue.c | 4 | ||||
| -rw-r--r-- | arch/tile/include/asm/spinlock_32.h | 22 | ||||
| -rw-r--r-- | arch/tile/include/asm/spinlock_64.h | 24 | ||||
| -rw-r--r-- | arch/tile/include/gxio/dma_queue.h | 2 | ||||
| -rw-r--r-- | arch/tile/kernel/ptrace.c | 2 |
5 files changed, 4 insertions, 50 deletions
diff --git a/arch/tile/gxio/dma_queue.c b/arch/tile/gxio/dma_queue.c index baa60357f8ba..b7ba577d82ca 100644 --- a/arch/tile/gxio/dma_queue.c +++ b/arch/tile/gxio/dma_queue.c @@ -163,14 +163,14 @@ int __gxio_dma_queue_is_complete(__gxio_dma_queue_t *dma_queue, int64_t completion_slot, int update) { if (update) { - if (ACCESS_ONCE(dma_queue->hw_complete_count) > + if (READ_ONCE(dma_queue->hw_complete_count) > completion_slot) return 1; __gxio_dma_queue_update_credits(dma_queue); } - return ACCESS_ONCE(dma_queue->hw_complete_count) > completion_slot; + return READ_ONCE(dma_queue->hw_complete_count) > completion_slot; } EXPORT_SYMBOL_GPL(__gxio_dma_queue_is_complete); diff --git a/arch/tile/include/asm/spinlock_32.h b/arch/tile/include/asm/spinlock_32.h index cba8ba9b8da6..fb5313d77315 100644 --- a/arch/tile/include/asm/spinlock_32.h +++ b/arch/tile/include/asm/spinlock_32.h @@ -51,9 +51,6 @@ static inline int arch_spin_is_locked(arch_spinlock_t *lock) void arch_spin_lock(arch_spinlock_t *lock); -/* We cannot take an interrupt after getting a ticket, so don't enable them. */ -#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock) - int arch_spin_trylock(arch_spinlock_t *lock); static inline void arch_spin_unlock(arch_spinlock_t *lock) @@ -80,22 +77,6 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) #define _RD_COUNT_WIDTH 8 /** - * arch_read_can_lock() - would read_trylock() succeed? - */ -static inline int arch_read_can_lock(arch_rwlock_t *rwlock) -{ - return (rwlock->lock << _RD_COUNT_WIDTH) == 0; -} - -/** - * arch_write_can_lock() - would write_trylock() succeed? - */ -static inline int arch_write_can_lock(arch_rwlock_t *rwlock) -{ - return rwlock->lock == 0; -} - -/** * arch_read_lock() - acquire a read lock. */ void arch_read_lock(arch_rwlock_t *rwlock); @@ -125,7 +106,4 @@ void arch_read_unlock(arch_rwlock_t *rwlock); */ void arch_write_unlock(arch_rwlock_t *rwlock); -#define arch_read_lock_flags(lock, flags) arch_read_lock(lock) -#define arch_write_lock_flags(lock, flags) arch_write_lock(lock) - #endif /* _ASM_TILE_SPINLOCK_32_H */ diff --git a/arch/tile/include/asm/spinlock_64.h b/arch/tile/include/asm/spinlock_64.h index 9a2c2d605752..5b616ef642a8 100644 --- a/arch/tile/include/asm/spinlock_64.h +++ b/arch/tile/include/asm/spinlock_64.h @@ -75,9 +75,6 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) /* Try to get the lock, and return whether we succeeded. */ int arch_spin_trylock(arch_spinlock_t *lock); -/* We cannot take an interrupt after getting a ticket, so don't enable them. */ -#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock) - /* * Read-write spinlocks, allowing multiple readers * but only one writer. @@ -93,24 +90,6 @@ static inline int arch_write_val_locked(int val) return val < 0; /* Optimize "val & __WRITE_LOCK_BIT". */ } -/** - * read_can_lock - would read_trylock() succeed? - * @lock: the rwlock in question. - */ -static inline int arch_read_can_lock(arch_rwlock_t *rw) -{ - return !arch_write_val_locked(rw->lock); -} - -/** - * write_can_lock - would write_trylock() succeed? - * @lock: the rwlock in question. - */ -static inline int arch_write_can_lock(arch_rwlock_t *rw) -{ - return rw->lock == 0; -} - extern void __read_lock_failed(arch_rwlock_t *rw); static inline void arch_read_lock(arch_rwlock_t *rw) @@ -156,7 +135,4 @@ static inline int arch_write_trylock(arch_rwlock_t *rw) return 0; } -#define arch_read_lock_flags(lock, flags) arch_read_lock(lock) -#define arch_write_lock_flags(lock, flags) arch_write_lock(lock) - #endif /* _ASM_TILE_SPINLOCK_64_H */ diff --git a/arch/tile/include/gxio/dma_queue.h b/arch/tile/include/gxio/dma_queue.h index b9e45e37649e..c8fd47edba30 100644 --- a/arch/tile/include/gxio/dma_queue.h +++ b/arch/tile/include/gxio/dma_queue.h @@ -121,7 +121,7 @@ static inline int64_t __gxio_dma_queue_reserve(__gxio_dma_queue_t *dma_queue, * if the result is LESS than "hw_complete_count". */ uint64_t complete; - complete = ACCESS_ONCE(dma_queue->hw_complete_count); + complete = READ_ONCE(dma_queue->hw_complete_count); slot |= (complete & 0xffffffffff000000); if (slot < complete) slot += 0x1000000; diff --git a/arch/tile/kernel/ptrace.c b/arch/tile/kernel/ptrace.c index e1a078e6828e..d516d61751c2 100644 --- a/arch/tile/kernel/ptrace.c +++ b/arch/tile/kernel/ptrace.c @@ -255,7 +255,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, int do_syscall_trace_enter(struct pt_regs *regs) { - u32 work = ACCESS_ONCE(current_thread_info()->flags); + u32 work = READ_ONCE(current_thread_info()->flags); if ((work & _TIF_SYSCALL_TRACE) && tracehook_report_syscall_entry(regs)) { |