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Subject[PATCH 06/13] READ_ONCE: Remove smp_read_barrier_depends() invocation
Date
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@kernel.org>
---
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
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