" So I was assuming the isolation between VMs are more assured using sel4."

Yes. isolation is what is guaranteed and proved by seL4. This is the
"magic" of having it´s code formally verified and what makes the difference
with any other solution, in terms of isolation.

"In itself I am not worried if the VM is compromised."

Then go ahead. But remember that if VM is compromised then the solution is
compromised. So if you need to sell/distribute this solution you will need
to argue to your customers/users why you don´t care about VM compromise...

"Perhaps I could get usb stack ported natively...  "

Anything you strip down from the VMs and port it to native code you get a
giant improvement in terms of security.

El mié, 19 oct 2022 a las 7:54, <james.hillma...@gmail.com> escribió:

> Hugo V.C. wrote:
> > "My intention was to use a minimum image with no UI but importantly the
> USB
> > drivers/stack."
> >
> > Sure. This is a common approach and default VMs examples of seL4
> tutorials
> > are exactly that: a kernel + busybox, so no UI. Still this is just Linux
> > with a very big kernel...
> >
> >
> > El mié., 19 oct. 2022 6:37, &lt;james.hillman07(a)gmail.com&gt;
> escribió:
> >
> > >   Thanks everyone, really enjoy reading the discussion.
> > > Sorry for the lazy
> > >  untargetted use of the word Linux. My intention was to use a minimum
> image
> > >  with no UI but importantly the USB drivers/stack.
> > >
> > >  I guess the key issue is what the best data rate I could hope for
> between
> > >  the VMs.
> > >  _______________________________________________
> > >  Devel mailing list -- devel(a)sel4.systems
> > >  To unsubscribe send an email to devel-leave(a)sel4.systems
> > >
> > >
> So I was assuming the isolation between VMs are more assured using sel4.
> In itself I am not worried if the VM is compromised. Perhaps I could get
> usb stack ported natively...
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