Re: [RFC v4 PATCH 00/49] Initial support of multi-process qemu - status update

[Elena Ufimtseva]

On Tue, Dec 17, 2019 at 04:33:16PM +0000, Stefan Hajnoczi wrote:
> On Mon, Dec 16, 2019 at 07:57:32PM +0000, Felipe Franciosi wrote:
> > > On 16 Dec 2019, at 20:47, Elena Ufimtseva <address@hidden> wrote:
> > > On Fri, Dec 13, 2019 at 10:41:16AM +0000, Stefan Hajnoczi wrote:
> > >> Is there a work-in-progress muser patch series you can post to start the
> > >> discussion early?  That way we can avoid reviewers like myself asking
> > >> you to make changes after you have invested a lot of time.
> > >> 
> > > 
> > > Absolutely, that is our plan. At the moment we do not have the patches
> > > ready for the review. We have setup internally a milestone and will be
> > > sending that early version as a tarball after we have it completed.
> > > Would be also a meeting something that could help us to stay on the same
> > > page?
> > 
> > Please loop us in if you so set up a meeting.
>

Hi Stefan

And happy New Year to everyone!

> There is a bi-weekly KVM Community Call that we can use for phone
> discussions:
> 
>   
> https://calendar.google.com/calendar/embed?src=dG9iMXRqcXAzN3Y4ZXZwNzRoMHE4a3BqcXNAZ3JvdXAuY2FsZW5kYXIuZ29vZ2xlLmNvbQ
>

Our team would like to join the call on Jan 14 and maybe talk over few things.
Felipe, will you and your team be joining as well?

> Or we can schedule a one-off call at any time :).
>

Awesome! Thank you, we will use for sure this opportunity.

Elena

> Questions I've seen when discussing muser with people have been:
> 
> 1. Can unprivileged containers create muser devices?  If not, this is a
>    blocker for use cases that want to avoid root privileges entirely.
> 
> 2. Does muser need to be in the kernel (e.g. slower to develop/ship,
>    security reasons)?  A similar library could be implemented in
>    userspace along the lines of the vhost-user protocol.  Although VMMs
>    would then need to use a new libmuser-client library instead of
>    reusing their VFIO code to access the device.
> 
> 3. Should this feature be Linux-only?  vhost-user can be implemented on
>    non-Linux OSes...
> 
> Stefan