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19 lines
648 B
19 lines
648 B
/* |
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* include/asm-generic/mutex-null.h |
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* |
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* Generic implementation of the mutex fastpath, based on NOP :-) |
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* |
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* This is used by the mutex-debugging infrastructure, but it can also |
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* be used by architectures that (for whatever reason) want to use the |
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* spinlock based slowpath. |
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*/ |
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#ifndef _ASM_GENERIC_MUTEX_NULL_H |
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#define _ASM_GENERIC_MUTEX_NULL_H |
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#define __mutex_fastpath_lock(count, fail_fn) fail_fn(count) |
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#define __mutex_fastpath_lock_retval(count) (-1) |
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#define __mutex_fastpath_unlock(count, fail_fn) fail_fn(count) |
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#define __mutex_fastpath_trylock(count, fail_fn) fail_fn(count) |
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#define __mutex_slowpath_needs_to_unlock() 1 |
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#endif
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