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Re: [Qemu-devel] [PATCH qemu 0/3] spapr_pci, vfio: NVIDIA V100 + P9 pass

From: Daniel Henrique Barboza
Subject: Re: [Qemu-devel] [PATCH qemu 0/3] spapr_pci, vfio: NVIDIA V100 + P9 passthrough
Date: Fri, 8 Feb 2019 14:25:50 -0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1

On 2/8/19 1:52 PM, Alex Williamson wrote:
Hm.  If the GPU memory is really separate from main RAM, which it
sounds like, I don't think it makes sense to account it against the
same locked memory limit as regular RAM.
That's true, if the user owns the device and the device provides the
memory backing, it doesn't seem like it should count against the user's
locked memory limit.  That'd make things easy for libvirt.  Thanks,

Sounds good.

Is this a QEMU (or even kernel) side change? If so, and we choose to go
through with it, I'll wait for a new spin of this series to see what must
be done in Libvirt to proper support it.



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