Re: Enabling peer to peer device transactions for PCIe devices

Alex Deucher
2016-11-25T23:41:21Z

On Fri, Nov 25, 2016 at 2:34 PM, Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> wrote:
> 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 :)
>

Blame 32 bit systems and GPUs with tons of vram :)

I think resizable bars are finally coming in a useful way so this
should go away soon.

Alex