| Message ID | 20190222180454.5992-4-will.deacon@arm.com |
|---|---|
| State | New |
| Headers | show |
| Series | Ensure inX() is ordered wrt delay() routines | expand |
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h index ee723835c1f4..8bb7210ac286 100644 --- a/arch/arm64/include/asm/io.h +++ b/arch/arm64/include/asm/io.h @@ -121,6 +121,7 @@ static inline u64 __raw_readq(const volatile void __iomem *addr) : "memory"); \ }) +#define __io_par(v) __iormb(v) #define __iowmb() wmb() #define mmiowb() do { } while (0)
Ensure that inX() provides the same ordering guarantees as readX() by hooking up __io_par() so that it maps directly to __iormb(). Reported-by: Andrew Murray <andrew.murray@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> --- arch/arm64/include/asm/io.h | 1 + 1 file changed, 1 insertion(+) -- 2.11.0