Return-Path: Received: from smtp.opengridcomputing.com ([72.48.136.20]:44508 "EHLO smtp.opengridcomputing.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753115AbbGTWy6 (ORCPT ); Mon, 20 Jul 2015 18:54:58 -0400 From: "Steve Wise" To: "'Jason Gunthorpe'" Cc: "'Tom Talpey'" , "'Chuck Lever'" , , 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> <20150720225414.GA12442@obsidianresearch.com> In-Reply-To: <20150720225414.GA12442@obsidianresearch.com> Subject: RE: [PATCH v3 05/15] xprtrdma: Remove last ib_reg_phys_mr() call site Date: Mon, 20 Jul 2015 17:54:59 -0500 Message-ID: <016c01d0c33f$1b082920$51187b60$@opengridcomputing.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: linux-nfs-owner@vger.kernel.org List-ID: > -----Original Message----- > From: Jason Gunthorpe [mailto:jgunthorpe@obsidianresearch.com] > Sent: Monday, July 20, 2015 5:54 PM > 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 > > 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. > Ok good. Thanks!