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

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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
1 changed files with 1 additions and 1 deletions
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2
arch/tile/include/asm/atomic.h
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@ -32,7 +32,7 @@
*/ */
static inline int atomic_read(const atomic_t *v) static inline int atomic_read(const atomic_t *v)
{ {
return v->counter; return ACCESS_ONCE(v->counter);
} }
/** /**