> -----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. Paul > ~Andrew