diff options
| author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
| commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
| tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /include/asm-generic/mutex-null.h | |
| parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
| parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
| download | FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2 FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip | |
dirty fix to merging
Diffstat (limited to 'include/asm-generic/mutex-null.h')
| -rw-r--r-- | include/asm-generic/mutex-null.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-generic/mutex-null.h b/include/asm-generic/mutex-null.h new file mode 100644 index 00000000..e1bbbc72 --- /dev/null +++ b/include/asm-generic/mutex-null.h @@ -0,0 +1,19 @@ +/* + * include/asm-generic/mutex-null.h + * + * Generic implementation of the mutex fastpath, based on NOP :-) + * + * This is used by the mutex-debugging infrastructure, but it can also + * be used by architectures that (for whatever reason) want to use the + * spinlock based slowpath. + */ +#ifndef _ASM_GENERIC_MUTEX_NULL_H +#define _ASM_GENERIC_MUTEX_NULL_H + +#define __mutex_fastpath_lock(count, fail_fn) fail_fn(count) +#define __mutex_fastpath_lock_retval(count, fail_fn) fail_fn(count) +#define __mutex_fastpath_unlock(count, fail_fn) fail_fn(count) +#define __mutex_fastpath_trylock(count, fail_fn) fail_fn(count) +#define __mutex_slowpath_needs_to_unlock() 1 + +#endif |