Return-Path: Received: from quartz.orcorp.ca ([184.70.90.242]:55864 "EHLO quartz.orcorp.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752884AbbGTWyV (ORCPT ); Mon, 20 Jul 2015 18:54:21 -0400 Date: Mon, 20 Jul 2015 16:54:14 -0600 From: Jason Gunthorpe To: Steve Wise Cc: "'Tom Talpey'" , "'Chuck Lever'" , linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org Subject: Re: [PATCH v3 05/15] xprtrdma: Remove last ib_reg_phys_mr() call site Message-ID: <20150720225414.GA12442@obsidianresearch.com> References: <20150720185624.10997.51574.stgit@manet.1015granger.net> <20150720190311.10997.12636.stgit@manet.1015granger.net> <55AD5B48.3010906@talpey.com> <20150720210544.GA9655@obsidianresearch.com> <015501d0c334$3f1c2830$bd547890$@opengridcomputing.com> <20150720221333.GA11356@obsidianresearch.com> <015e01d0c33d$82b44ce0$881ce6a0$@opengridcomputing.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <015e01d0c33d$82b44ce0$881ce6a0$@opengridcomputing.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Mon, Jul 20, 2015 at 05:43:34PM -0500, Steve Wise wrote: > > Yah, that seems much better.. With the patch set I am working on this > > will mean all ULPs will fail to create a kernel PD on cxgb3 if the > > above triggers. If our error handling works that should just make it > > unuable from kernel space which is what we need to see.. > What about user PDs? We need that to work for cxgb3. Only in-kernel uses call ib_alloc_pd The user flow calls ib_uverbs_alloc_pd which calls the driver directly. Jason