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rcu: merge fix for Convert ACCESS_ONCE() to READ_ONCE() and WRITE_ONCE()

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This mirrors the change introduced by 7d0ae8086b of same title
in Linus' tree; it's not obvious as a merge resolution since we moved
the function.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Stephen Rothwell 2015-05-28 17:20:58 +10:00 • committed by Rusty Russell
parent b51d23e4e9
commit 38183b9c31
1 changed files with 1 additions and 1 deletions
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2
include/linux/compiler.h
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@ -467,7 +467,7 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
*/
#define lockless_dereference(p) \
({ \
typeof(p) _________p1 = ACCESS_ONCE(p); \
typeof(p) _________p1 = READ_ONCE(p); \
smp_read_barrier_depends(); /* Dependency order vs. p above. */ \
(_________p1); \
})