diff options
Diffstat (limited to 'arch/tile/include/asm/atomic_32.h')
| -rw-r--r-- | arch/tile/include/asm/atomic_32.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h index 54d1da826f93..e7fb5cfb9597 100644 --- a/arch/tile/include/asm/atomic_32.h +++ b/arch/tile/include/asm/atomic_32.h @@ -303,7 +303,14 @@ void __init_atomic_per_cpu(void); void __atomic_fault_unlock(int *lock_ptr); #endif +/* Return a pointer to the lock for the given address. */ +int *__atomic_hashed_lock(volatile void *v); + /* Private helper routines in lib/atomic_asm_32.S */ +struct __get_user { + unsigned long val; + int err; +}; extern struct __get_user __atomic_cmpxchg(volatile int *p, int *lock, int o, int n); extern struct __get_user __atomic_xchg(volatile int *p, int *lock, int n); @@ -319,6 +326,9 @@ extern u64 __atomic64_xchg_add(volatile u64 *p, int *lock, u64 n); extern u64 __atomic64_xchg_add_unless(volatile u64 *p, int *lock, u64 o, u64 n); +/* Return failure from the atomic wrappers. */ +struct __get_user __atomic_bad_address(int __user *addr); + #endif /* !__ASSEMBLY__ */ #endif /* _ASM_TILE_ATOMIC_32_H */ |