[PATCH 06/13] READ_ONCE: Remove smp_read_barrier_depends() invocation

[Will Deacon]

Alpha overrides '__read_once_size_n()' directly, so there's no need to
use 'smp_read_barrier_depends()' in the core code.

Signed-off-by: Will Deacon <will@xxxxxxxxxx>
---
 include/asm-generic/rwonce.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/asm-generic/rwonce.h b/include/asm-generic/rwonce.h
index 2c2ac0948c94..2e3289268a89 100644
--- a/include/asm-generic/rwonce.h
+++ b/include/asm-generic/rwonce.h
@@ -102,7 +102,6 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
 		__read_once_size(&(x), __u.__c, sizeof(x));		\
 	else								\
 		__read_once_size_nocheck(&(x), __u.__c, sizeof(x));	\
-	smp_read_barrier_depends(); /* Enforce dependency ordering from x */ \
 	__u.__val;							\
 })
 #define READ_ONCE(x) __READ_ONCE(x, 1)
-- 
2.24.0.rc1.363.gb1bccd3e3d-goog