From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Marcel Apfelbaum <marcel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
qemu-devel-qX2TKyscuCcdnm+yROfE0A@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [Qemu-devel] [PATCH RFC] hw/pvrdma: Proposal of a new pvrdma device
Date: Thu, 6 Apr 2017 14:54:16 -0600 [thread overview]
Message-ID: <20170406205416.GB27155@obsidianresearch.com> (raw)
In-Reply-To: <20170406194552.GB2170@yuval-lap>
On Thu, Apr 06, 2017 at 10:45:54PM +0300, Yuval Shaia wrote:
> > Just add my 2 cents. You didn't answer on my question about other possible
> > implementations. It can be SoftRoCE loopback optimizations, special ULP,
> > RDMA transport, virtual driver with multiple VFs and single PF.
>
> Please see my response to Jason's comments - eventually, when a support for
> VM to external host communication will be added - kdbr will become ULP as
> well.
So, is KDBR only to be used on the HV side? Ie it never shows up in the VM?
That is even weirder, we certainly do not want to see a kernel RDMA
ULP for any of this - the entire point of RDMA is to let user space
implement their protocols without needing a unique kernel component!!
Jason
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next prev parent reply other threads:[~2017-04-06 20:54 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-30 11:12 [Qemu-devel] [PATCH RFC] hw/pvrdma: Proposal of a new pvrdma device Marcel Apfelbaum
[not found] ` <1490872341-9959-1-git-send-email-marcel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-03-30 14:13 ` Leon Romanovsky
[not found] ` <20170330141314.GM20443-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-03-30 20:28 ` Doug Ledford
[not found] ` <5e952524-7c2d-b4da-4bd7-6437830a40d8-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-03-30 23:38 ` Adit Ranadive
[not found] ` <ea171d6c-871b-2cf0-148c-ca7cd85c0ecd-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2017-03-31 15:50 ` Marcel Apfelbaum
2017-03-31 15:45 ` Marcel Apfelbaum
[not found] ` <f7f3fc0e-0a75-2fdc-b3c2-6c3d34ff2978-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-04-03 6:23 ` Leon Romanovsky
[not found] ` <20170403062314.GO20443-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-04-04 13:38 ` Marcel Apfelbaum
[not found] ` <aa400244-426a-ea62-0ccf-ac5adb76fdd1-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-04-04 16:01 ` Jason Gunthorpe
[not found] ` <20170404160155.GA1750-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-04-06 19:42 ` Yuval Shaia
2017-04-06 20:38 ` Jason Gunthorpe
2017-04-04 17:33 ` Leon Romanovsky
[not found] ` <20170404173349.GY20443-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-04-06 19:45 ` Yuval Shaia
2017-04-06 20:54 ` Jason Gunthorpe [this message]
2017-04-03 6:27 ` Leon Romanovsky
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