> commit c389c98ec5f4a7aa4c36853e89801eb5ea81870e > Author: Paul E. McKenney <paul...@linux.vnet.ibm.com> > 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 <paul...@linux.vnet.ibm.com> > Cc: Doug Ledford <dledf...@redhat.com> > Cc: Jason Gunthorpe <j...@mellanox.com> > Cc: Richard Henderson <r...@twiddle.net> > Cc: Ivan Kokshaysky <i...@jurassic.park.msu.ru> > Cc: Matt Turner <matts...@gmail.com> > Cc: Michael Cree <mc...@orcon.net.nz> > Cc: Andrea Parri <parri.and...@gmail.com> > Cc: <linux-r...@vger.kernel.org> > Cc: <linux-alpha@vger.kernel.org> > [ 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 <j...@mellanox.com> -- To unsubscribe from this list: send the line "unsubscribe linux-alpha" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
