Jung-uk Kim ea4447500d - Remove test_and_set_bit() macro. It is unused since r255037.
- Relax atomic_read() and atomic_set() macros.  Linux does not require any
memory barrier.  Also, these macros may be even reordered or optimized away
according to the API documentation:

https://www.kernel.org/doc/Documentation/atomic_ops.txt
2013-08-29 19:47:52 +00:00
..
2013-08-28 23:59:38 +00:00