On Mon, 4 Jan 2016 14:20:42 +0100 Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > On Thu, Dec 31, 2015 at 09:06:30PM +0200, Michael S. Tsirkin wrote: > > On s390 read_barrier_depends, smp_read_barrier_depends > > smp_store_mb(), smp_mb__before_atomic and smp_mb__after_atomic match the > > asm-generic variants exactly. Drop the local definitions and pull in > > asm-generic/barrier.h instead. > > > > This is in preparation to refactoring this code area. > > > > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> > > Acked-by: Arnd Bergmann <arnd@xxxxxxxx> > > --- > > arch/s390/include/asm/barrier.h | 10 ++-------- > > 1 file changed, 2 insertions(+), 8 deletions(-) > > > > diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h > > index 7ffd0b1..c358c31 100644 > > --- a/arch/s390/include/asm/barrier.h > > +++ b/arch/s390/include/asm/barrier.h > > @@ -30,14 +30,6 @@ > > #define smp_rmb() rmb() > > #define smp_wmb() wmb() > > > > -#define read_barrier_depends() do { } while (0) > > -#define smp_read_barrier_depends() do { } while (0) > > - > > -#define smp_mb__before_atomic() smp_mb() > > -#define smp_mb__after_atomic() smp_mb() > > As per: > > lkml.kernel.org/r/20150921112252.3c2937e1@mschwide > > s390 should change this to barrier() instead of smp_mb() and hence > should not use the generic versions. Yes, we wanted to simplify this. Thanks for the reminder, I'll queue a patch. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html