Re: Enabling peer to peer device transactions for PCIe devices

From	Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Newsgroups	linux.kernel
Subject	Re: Enabling peer to peer device transactions for PCIe devices
Date	2016-11-25 20:40 +0100
Message-ID	<sHuvL-4HW-5@gated-at.bofh.it> (permalink)
References	(5 earlier) <sGOmR-2pg-21@gated-at.bofh.it> <sGR1o-44N-13@gated-at.bofh.it> <sH5nH-5hZ-7@gated-at.bofh.it> <sHuvL-4HW-7@gated-at.bofh.it> <sHuvL-4HW-9@gated-at.bofh.it>
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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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Re: Enabling peer to peer device transactions for PCIe devices Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2016-11-25 20:40 +0100
  Re: Enabling peer to peer device transactions for PCIe devices Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2016-11-25 21:30 +0100
  Re: Enabling peer to peer device transactions for PCIe devices Alex Deucher <alexdeucher@gmail.com> - 2016-11-26 00:50 +0100

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