On Fri, Dec 01, 2017 at 11:51:11AM -0800, Paul E. McKenney wrote: > 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 I understand DEC Alpha has PCI, and we continue to support several RDMA devices that used the PCI bus. However, the hif1, rdma vt and qib drivers modified in this patch are PCI-Express ONLY. So I think this idea is fine, but would revise the commit message to focus on PCI-E not Infiniband. > drivers/dma/ioat/dma.c | 2 -- > drivers/infiniband/Kconfig | 1 + Did you mean to have ioat/dma.c in this patch? Jason -- To unsubscribe from this list: send the line "unsubscribe linux-alpha" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html