David Howells af79420654 MN10300: atomic_read() should ensure it emits a load
atomic_read() needs to ensure that it emits a load (which it can do by using
ACCESS_ONCE()).

Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: David Howells <dhowells@redhat.com>
2011-03-14 14:51:25 +00:00
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