On Tue, Dec 05, 2017 at 08:08:32AM -0700, Jason Gunthorpe wrote: > > commit c389c98ec5f4a7aa4c36853e89801eb5ea81870e > > Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> > > Date: Mon Nov 27 09:04:22 2017 -0800 > > > > drivers/infiniband: Remove now-redundant smp_read_barrier_depends() > > > > The smp_read_barrier_depends() does nothing at all except on DEC Alpha, > > and no current DEC Alpha systems use Infiniband: > > > > lkml.kernel.org/r/20171023085921.jwbntptn6ictbnvj@tower > > > > This commit therefore makes Infiniband depend on !ALPHA and removes > > the now-ineffective invocations of smp_read_barrier_depends() from > > the InfiniBand driver. > > > > Please note that this patch should not be construed as my saying that > > InfiniBand's memory ordering is correct, but rather that this patch does > > not in any way affect InfiniBand's correctness. In other words, the > > result of applying this patch is bug-for-bug compatible with the original. > > > > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> > > Cc: Doug Ledford <dledford@xxxxxxxxxx> > > Cc: Jason Gunthorpe <jgg@xxxxxxxxxxxx> > > Cc: Richard Henderson <rth@xxxxxxxxxxx> > > Cc: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx> > > Cc: Matt Turner <mattst88@xxxxxxxxx> > > Cc: Michael Cree <mcree@xxxxxxxxxxxx> > > Cc: Andrea Parri <parri.andrea@xxxxxxxxx> > > Cc: <linux-rdma@xxxxxxxxxxxxxxx> > > Cc: <linux-alpha@xxxxxxxxxxxxxxx> > > [ paulmck: Removed drivers/dma/ioat/dma.c per Jason Gunthorpe's feedback. ] > > Let me know if you want this patch to flow through the rdma tree.. > > Acked-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx> I applied your ack, thank you! Your choice as to what tree it flows through. By default, and if all goes well, I will push this series through -rcu and -tip during the next merge window. Thanx, Paul -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
