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Date: Fri, 13 Jan 2017 21:08:46 +0000 From: "Estrin, Alex" <alex.estrin@...el.com> To: Bart Van Assche <Bart.VanAssche@...disk.com>, "dledford@...hat.com" <dledford@...hat.com> CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>, "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org> Subject: RE: [PATCH v2 00/26] IB: Optimize DMA mapping > > Hello Alex, > > Sorry for this. Can you check whether the patch below fixes this regression? > > diff --git a/drivers/infiniband/sw/rdmavt/vt.c > b/drivers/infiniband/sw/rdmavt/vt.c > index 6a81b179f631..f7fcd015ec09 100644 > --- a/drivers/infiniband/sw/rdmavt/vt.c > +++ b/drivers/infiniband/sw/rdmavt/vt.c > @@ -778,8 +778,7 @@ int rvt_register_device(struct rvt_dev_info *rdi) > } > > /* DMA Operations */ > - if (rdi->ibdev.dma_device->dma_ops == NULL) > - set_dma_ops(rdi->ibdev.dma_device, &dma_virt_ops); > + set_dma_ops(rdi->ibdev.dma_device, &dma_virt_ops); > > /* Protection Domain */ > spin_lock_init(&rdi->n_pds_lock); > -- > 2.11.0 > > I will make sure that this series applies cleanly on top of v4.10-rc3 when I > repost it. > > Bart. Hi Bart, It didn't fix the failure... Apparently there is an issue with generic mapping itself. Thanks, Alex.
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