On Tue, Feb 12, 2019 at 11:42:44AM +0100, Geert Uytterhoeven wrote: > On Mon, Feb 11, 2019 at 9:34 PM Will Deacon <will.deacon@xxxxxxx> wrote: > > 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@xxxxxxx> > > Signed-off-by: Will Deacon <will.deacon@xxxxxxx> > > Thanks for your patch! > > > --- 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 __iormb > > I think it makes sense to make the parameter passing explicit, for > documentation purposes: > > #define __io_par(v) __iormb(v) Thanks, I'll make that change for v2. Will
