diff options
Diffstat (limited to 'arch/tile/include/asm/spinlock_64.h')
| -rw-r--r-- | arch/tile/include/asm/spinlock_64.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/tile/include/asm/spinlock_64.h b/arch/tile/include/asm/spinlock_64.h index 72be5904e02..9a12b9c7e5d 100644 --- a/arch/tile/include/asm/spinlock_64.h +++ b/arch/tile/include/asm/spinlock_64.h @@ -27,7 +27,7 @@ * Return the "current" portion of a ticket lock value, * i.e. the number that currently owns the lock. */ -static inline int arch_spin_current(u32 val) +static inline u32 arch_spin_current(u32 val) { return val >> __ARCH_SPIN_CURRENT_SHIFT; } @@ -36,7 +36,7 @@ static inline int arch_spin_current(u32 val) * Return the "next" portion of a ticket lock value, * i.e. the number that the next task to try to acquire the lock will get. */ -static inline int arch_spin_next(u32 val) +static inline u32 arch_spin_next(u32 val) { return val & __ARCH_SPIN_NEXT_MASK; } @@ -137,7 +137,7 @@ static inline void arch_read_unlock(arch_rwlock_t *rw) static inline void arch_write_unlock(arch_rwlock_t *rw) { __insn_mf(); - rw->lock = 0; + __insn_exch4(&rw->lock, 0); /* Avoid waiting in the write buffer. */ } static inline int arch_read_trylock(arch_rwlock_t *rw) |