On Sun, 23 Jan 2022, Julien Grall wrote: > On 13/01/2022 14:15, Bertrand Marquis wrote: > > Hi Stefano, > > > > + Penny in CC for the question. > > > > > On 13 Jan 2022, at 00:58, Stefano Stabellini <[email protected]> > > > wrote: > > > > > > From: Luca Miccio <[email protected]> > > > > > > If "xen,enhanced" is enabled, then add to dom0less domains: > > > > > > - the hypervisor node in device tree > > > - the xenstore event channel > > > > > > The xenstore event channel is also used for the first notification to > > > let the guest know that xenstore has become available. > > > > > > Signed-off-by: Luca Miccio <[email protected]> > > > Signed-off-by: Stefano Stabellini <[email protected]> > > > CC: Julien Grall <[email protected]> > > > CC: Volodymyr Babchuk <[email protected]> > > > CC: Bertrand Marquis <[email protected]> > > > > Reviewed-by: Bertrand Marquis <[email protected]> > > > > Just one question: GUEST_GNTTAB_BASE is fixed but could it be a problem for > > a direct map guest in the future ? > It will be an issue. I think we can re-use the same method as we do in dom0 > (see find_gnttab_region()).
Good idea. I prototyped it and it works fine. I am not going to add the patch to this series because it needs Penny's but I can easily provide a patch to her for it.
