On Fri, 4 Dec 2020, Durrant, Paul wrote: > > -----Original Message----- > > From: Andrew Cooper <andrew.coop...@citrix.com> > > Sent: 04 December 2020 17:45 > > To: Stefano Stabellini <sstabell...@kernel.org> > > Cc: Julien Grall <jul...@xen.org>; Jan Beulich <jbeul...@suse.com>; > > p...@xen.org; Durrant, Paul > > <pdurr...@amazon.co.uk>; Elnikety, Eslam <elnik...@amazon.com>; 'Ian > > Jackson' <i...@xenproject.org>; > > 'Wei Liu' <w...@xen.org>; 'Anthony PERARD' <anthony.per...@citrix.com>; > > 'George Dunlap' > > <george.dun...@citrix.com>; 'Christian Lindig' > > <christian.lin...@citrix.com>; 'David Scott' > > <d...@recoil.org>; 'Volodymyr Babchuk' <volodymyr_babc...@epam.com>; 'Roger > > Pau Monné' > > <roger....@citrix.com>; xen-devel@lists.xenproject.org > > Subject: RE: [EXTERNAL] [PATCH v5 1/4] domctl: introduce a new domain > > create flag, > > XEN_DOMCTL_CDF_evtchn_fifo, ... > > > > CAUTION: This email originated from outside of the organization. Do not > > click links or open > > attachments unless you can confirm the sender and know the content is safe. > > > > > > > > On 04/12/2020 17:41, Stefano Stabellini wrote: > > >>> FAOD, I am sure there might be other features that need to be > > >>> disabled. But we have to start somewhere :). > > >> Absolutely top of the list, importance wise, is so we can test different > > >> configurations, without needing to rebuild the hypervisor (and to a > > >> lesser extent, without having to reboot). > > >> > > >> It is a mistake that events/grants/etc were ever available unilaterally > > >> in HVM guests. This is definitely a step in the right direction (but I > > >> thought it would be too rude to ask Paul to make all of those CDF flags > > >> at once). > > > +1 > > > > > > For FuSa we'll need to be able to disable them at some point soon. > > > > FWIW, I have a proper plan for this stuff, which start alongside the > > fixed toolstack ABI, and will cover all aspects of optional > > functionality in a domain. > > > > OK. Can we live with this series as it stands until that point? There is some > urgency to get at least these two things fixed.
I am happy to take things one step at a time, and this is a good step forward.
