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| author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
| commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
| tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /include/asm-generic/mutex-null.h | |
| parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
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 |