From: Serguei Sagalovitch <serguei.sagalovitch@amd.com>
To: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
Jerome Glisse <jglisse@redhat.com>
Cc: Jerome Glisse <j.glisse@gmail.com>,
"Deucher, Alexander" <Alexander.Deucher@amd.com>,
"'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
"'linux-rdma@vger.kernel.org'" <linux-rdma@vger.kernel.org>,
"'linux-nvdimm@lists.01.org'" <linux-nvdimm@ml01.01.org>,
"'Linux-media@vger.kernel.org'" <Linux-media@vger.kernel.org>,
"'dri-devel@lists.freedesktop.org'"
<dri-devel@lists.freedesktop.org>,
"'linux-pci@vger.kernel.org'" <linux-pci@vger.kernel.org>,
"Kuehling, Felix" <Felix.Kuehling@amd.com>,
"Blinzer, Paul" <Paul.Blinzer@amd.com>,
"Koenig, Christian" <Christian.Koenig@amd.com>,
"Suthikulpanit, Suravee" <Suravee.Suthikulpanit@amd.com>,
"Sander, Ben" <ben.sander@amd.com>, <hch@infradead.org>,
<david1.zhou@amd.com>, <qiang.yu@amd.com>
Subject: Re: Enabling peer to peer device transactions for PCIe devices
Date: Thu, 5 Jan 2017 19:41:26 -0500 [thread overview]
Message-ID: <26f86650-5302-0df2-9b51-dd967f3e5a7b@amd.com> (raw)
In-Reply-To: <20170106003034.GB4670@obsidianresearch.com>
On 2017-01-05 07:30 PM, Jason Gunthorpe wrote:
> ........ but I am opposed to
> the idea we need two API paths that the *driver* has to figure out.
> That is fundamentally not what I want as a driver developer.
>
> Give me a common API to convert '__user *' to a scatter list and pin
> the pages.
Completely agreed. IMHO there is no sense to duplicate the same logic
everywhere as well as trying to find places where it is missing.
Sincerely yours,
Serguei Sagalovitch
next prev parent reply other threads:[~2017-01-06 0:41 UTC|newest]
Thread overview: 126+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-21 20:36 Enabling peer to peer device transactions for PCIe devices Deucher, Alexander
2016-11-22 18:11 ` Dan Williams
[not found] ` <75a1f44f-c495-7d1e-7e1c-17e89555edba@amd.com>
2016-11-22 20:01 ` Dan Williams
2016-11-22 20:10 ` Daniel Vetter
2016-11-22 20:24 ` Dan Williams
2016-11-22 20:35 ` Serguei Sagalovitch
2016-11-22 21:03 ` Daniel Vetter
2016-11-22 21:21 ` Dan Williams
2016-11-22 22:21 ` Sagalovitch, Serguei
2016-11-23 7:49 ` Daniel Vetter
2016-11-23 8:51 ` Christian König
2016-11-23 19:27 ` Serguei Sagalovitch
2016-11-23 17:03 ` Dave Hansen
2016-11-23 17:13 ` Logan Gunthorpe
2016-11-23 17:27 ` Bart Van Assche
2016-11-23 18:40 ` Dan Williams
2016-11-23 19:12 ` Jason Gunthorpe
2016-11-23 19:24 ` Serguei Sagalovitch
2016-11-23 19:06 ` Serguei Sagalovitch
2016-11-23 19:05 ` Jason Gunthorpe
2016-11-23 19:14 ` Serguei Sagalovitch
2016-11-23 19:32 ` Jason Gunthorpe
[not found] ` <c2c88376-5ba7-37d1-4d3e-592383ebb00a@amd.com>
2016-11-23 20:33 ` Jason Gunthorpe
2016-11-23 21:11 ` Logan Gunthorpe
2016-11-23 21:55 ` Jason Gunthorpe
2016-11-23 22:42 ` Dan Williams
2016-11-23 23:25 ` Jason Gunthorpe
2016-11-24 9:45 ` Christian König
2016-11-24 16:26 ` Jason Gunthorpe
2016-11-24 17:00 ` Serguei Sagalovitch
2016-11-24 17:55 ` Logan Gunthorpe
2016-11-25 13:06 ` Christian König
2016-11-25 16:45 ` Logan Gunthorpe
2016-11-25 17:20 ` Serguei Sagalovitch
2016-11-25 20:26 ` Felix Kuehling
2016-11-25 20:48 ` Serguei Sagalovitch
2016-11-24 0:40 ` Sagalovitch, Serguei
2016-11-24 16:24 ` Jason Gunthorpe
2016-11-24 1:25 ` Logan Gunthorpe
2016-11-24 16:42 ` Jason Gunthorpe
2016-11-24 18:11 ` Logan Gunthorpe
2016-11-25 7:58 ` Christoph Hellwig
2016-11-25 19:41 ` Jason Gunthorpe
2016-11-25 17:59 ` Serguei Sagalovitch
2016-11-25 13:22 ` Christian König
2016-11-25 17:16 ` Serguei Sagalovitch
2016-11-25 19:34 ` Jason Gunthorpe
2016-11-25 19:49 ` Serguei Sagalovitch
2016-11-25 20:19 ` Jason Gunthorpe
2016-11-25 23:41 ` Alex Deucher
2016-11-25 19:32 ` Jason Gunthorpe
2016-11-25 20:40 ` Christian König
2016-11-25 20:51 ` Felix Kuehling
2016-11-25 21:18 ` Jason Gunthorpe
2016-11-27 8:16 ` Haggai Eran
2016-11-27 14:02 ` Haggai Eran
2016-11-27 14:07 ` Christian König
2016-11-28 5:31 ` zhoucm1
2016-11-28 14:48 ` Serguei Sagalovitch
2016-11-28 18:36 ` Haggai Eran
2016-11-28 16:57 ` Jason Gunthorpe
2016-11-28 18:19 ` Haggai Eran
2016-11-28 19:02 ` Jason Gunthorpe
2016-11-30 10:45 ` Haggai Eran
2016-11-30 16:23 ` Jason Gunthorpe
2016-11-30 17:28 ` Serguei Sagalovitch
2016-12-04 7:33 ` Haggai Eran
2016-11-30 18:01 ` Logan Gunthorpe
2016-12-04 7:42 ` Haggai Eran
2016-12-04 13:06 ` Stephen Bates
2016-12-04 13:23 ` Stephen Bates
2016-12-05 17:18 ` Jason Gunthorpe
2016-12-05 17:40 ` Dan Williams
2016-12-05 18:02 ` Jason Gunthorpe
2016-12-05 18:08 ` Dan Williams
2016-12-05 18:39 ` Logan Gunthorpe
2016-12-05 18:48 ` Dan Williams
2016-12-05 19:14 ` Jason Gunthorpe
2016-12-05 19:27 ` Logan Gunthorpe
2016-12-05 19:46 ` Jason Gunthorpe
2016-12-05 19:59 ` Logan Gunthorpe
2016-12-05 20:06 ` Christoph Hellwig
2016-12-06 8:06 ` Stephen Bates
2016-12-06 16:38 ` Jason Gunthorpe
2016-12-06 16:51 ` Logan Gunthorpe
2016-12-06 17:28 ` Jason Gunthorpe
2016-12-06 21:47 ` Logan Gunthorpe
2016-12-06 22:02 ` Dan Williams
2016-12-06 17:12 ` Christoph Hellwig
2016-12-04 7:53 ` Haggai Eran
2016-11-30 17:10 ` Deucher, Alexander
2016-11-28 18:20 ` Logan Gunthorpe
2016-11-28 19:35 ` Serguei Sagalovitch
2016-11-28 21:36 ` Logan Gunthorpe
2016-11-28 21:55 ` Serguei Sagalovitch
2016-11-28 22:24 ` Jason Gunthorpe
2017-01-05 18:39 ` Jerome Glisse
2017-01-05 19:01 ` Jason Gunthorpe
2017-01-05 19:54 ` Jerome Glisse
2017-01-05 20:07 ` Jason Gunthorpe
2017-01-05 20:19 ` Jerome Glisse
2017-01-05 22:42 ` Jason Gunthorpe
2017-01-05 23:23 ` Jerome Glisse
2017-01-06 0:30 ` Jason Gunthorpe
2017-01-06 0:41 ` Serguei Sagalovitch [this message]
2017-01-06 1:58 ` Jerome Glisse
2017-01-06 16:56 ` Serguei Sagalovitch
2017-01-06 17:37 ` Jerome Glisse
2017-01-06 18:26 ` Jason Gunthorpe
2017-01-06 19:12 ` Deucher, Alexander
2017-01-06 22:10 ` Logan Gunthorpe
2017-01-12 4:54 ` Stephen Bates
2017-01-12 15:11 ` Jerome Glisse
2017-01-12 17:17 ` Jason Gunthorpe
2017-01-13 13:04 ` Christian König
2017-01-12 22:35 ` Logan Gunthorpe
2017-01-06 15:08 ` Henrique Almeida
2017-10-20 12:36 ` Ludwig Petrosyan
2017-10-20 15:48 ` Logan Gunthorpe
2017-10-22 6:13 ` Petrosyan, Ludwig
2017-10-22 17:19 ` Logan Gunthorpe
2017-10-23 16:08 ` David Laight
2017-10-23 22:04 ` Logan Gunthorpe
2017-10-24 5:58 ` Petrosyan, Ludwig
2017-10-24 14:58 ` David Laight
2017-10-26 13:28 ` Petrosyan, Ludwig
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