Commit d356b595 authored Feb 25, 2011 by Chris Metcalf

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>

parent deb4b003

arch/tile/include/asm/atomic.h

+1 −1

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

		/**