arch/tile: Fix atomic_read() definition to use ACCESS_ONCE

This adds the volatile cast which forces the compiler to emit the load.
Suggested by Peter Zijlstra <peterz@infradead.org>.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
This commit is contained in:
Chris Metcalf 2011-02-25 08:46:38 -05:00
parent deb4b003eb
commit d356b595e5

View file

@ -32,7 +32,7 @@
*/
static inline int atomic_read(const atomic_t *v)
{
return v->counter;
return ACCESS_ONCE(v->counter);
}
/**