Re: [Xen-devel] [RFC XEN PATCH 00/23] xen: beginning support for RISC-V

[Bobby Eshleman <bobbyeshleman@xxxxxxxxx>]

On Wed, Jan 22, 2020 at 01:05:11PM -0800, Stefano Stabellini wrote:
> On Wed, 22 Jan 2020, Andrew Cooper wrote:
> > > My big questions are:
> > >   Does the Xen project have interest in RISC-V?
> > 
> > There is very large downstream interest in RISC-V.  So a definite yes.
> 
> Definite Yes from me too
> 

Both great to hear!

> 
> > >   What can be done to make the RISC-V port as upstreamable as
> > >           possible?
> > >   Any major pitfalls?
> > >
> > > It would be great to hear all of your feedback.
> > 
> > Both RISC-V and Power9 are frequently requested things, and both suffer
> > from the fact that, while we as a community would like them, the
> > upstream intersection of "people who know Xen" and "people who know
> > enough arch $X to do an initial port" is 0.
> > 
> > This series clearly demonstrates a change in the status quo, and I think
> > a lot of people will be happy.
> > 
> > To get RISC-V to being fully supported, we will ultimately need to get
> > hardware into the CI system, and an easy way for developers to test
> > changes.  Do you have any thoughts on production RISC-V hardware
> > (ideally server form factor) for the CI system, and/or dev boards which
> > might be available fairly cheaply?
> 
> My understanding is that virtualization development for RISC-V is done
> on QEMU right now (which could still be hooked into the CI system if
> somebody wanted to do the work I think.)

That is correct.  I think the RTL and hardware folks are waiting for the
spec to be finalized before committing to the effort, so everyone is
just developing against QEMU for now.

I can certainly look at hooking in QEMU to the CI at some point soon.  That
is the OSSTest repo, correct?

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