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Date: Fri, 25 Nov 2016 12:34:10 -0700
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Subject: Re: Enabling peer to peer device transactions for PCIe devices
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To: Serguei Sagalovitch <serguei.sagalovitch@amd.com>
Cc: Haggai Eran <haggaie@mellanox.com>, "Bridgman, John  <John.Bridgman@amd.com>, linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>, "linux-nvdimm@lists.01.org" <linux-nvdimm@ml01.01.org>, Kuehling,, "Paul  <Paul.Blinzer@amd.com>, linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>, Sander,, "Suravee  <Suravee.Suthikulpanit@amd.com>, linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>, "Deucher, Alexander  <Alexander.Deucher@amd.com>, Christian =?iso-8859-1?Q?K=F6nig?=" <christian.koenig@amd.com>, "Linux-media@vger.kernel.org" <Linux-media@vger.kernel.org>
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On Fri, Nov 25, 2016 at 12:16:30PM -0500, Serguei Sagalovitch wrote:

> b) Allocation may not  have CPU address  at all - only GPU one.

But you don't expect RDMA to work in the case, right?

GPU people need to stop doing this windowed memory stuff :)

Jason
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