Re: [Qemu-devel] [RFC PATCH v3 0/3] Add vGPU support

[Alex Williamson]

On Tue, 3 May 2016 23:17:24 -0700
Neo Jia <address@hidden> wrote:

> On Wed, May 04, 2016 at 01:05:36AM +0000, Tian, Kevin wrote:
> > > From: Kirti Wankhede
> > > Sent: Tuesday, May 03, 2016 2:41 AM
> > > 
> > > This series adds vGPU support to v4.6 Linux host kernel. Purpose of this 
> > > series
> > > is to provide a common interface for vGPU management that can be used
> > > by different GPU drivers. This series introduces vGPU core module that 
> > > create
> > > and manage vGPU devices, VFIO based driver for vGPU devices that are 
> > > created by
> > > vGPU core module and update VFIO type1 IOMMU module to support vGPU 
> > > devices.
> > > 
> > > What's new in v3?
> > > VFIO type1 IOMMU module supports devices which are IOMMU capable. This 
> > > version
> > > of patched adds support for vGPU devices, which are not IOMMU capable, to 
> > > use
> > > existing VFIO IOMMU module. VFIO Type1 IOMMU patch provide new set of 
> > > APIs for
> > > guest page translation.
> > > 
> > > What's left to do?
> > > VFIO driver for vGPU device doesn't support devices with MSI-X enabled.
> > > 
> > > Please review.
> > >   
> > 
> > Thanks Kirti/Neo for your nice work! We are integrating this common
> > framework with KVMGT. Once ready it'll be released as an experimental
> > feature in our next community release.
> > 
> > One curious question. There are some additional changes in our side.
> > What is the best way to collaborate our effort before this series is
> > accepted in upstream kernel? Do you prefer to receiving patches from
> > us directly, or having it hosted some place so both sides can contribute?  
> 
> Yes, sending it directly to Kirti and myself will work the best, we can sort
> out this process offline.

Please do it online, in the open, on public mailing lists.  We
specifically do not want to develop the interfaces in private.  Thanks,

Alex