On Wed, Feb 28, 2018 at 04:34:01AM -0700, Jan Beulich wrote: > >>> On 28.02.18 at 12:20, <roger....@citrix.com> wrote: > > I've been giving some thought to this, and I cannot find a good > > solution. So far the less worse one would be: > > > > +--------------+ YES +---------+ > > |Is broken set?|------>|No action| > > +--------------+ +---------+ > > | > > | NO > > | > > +----v----+ SUCCESS +---------------------------------+ > > |map/unmap+------------>Change decoding or ROM enable bit| > > +----+----+ +---------------------------------+ > > | > > |FAILURE > > | > > +--------v----------------+ > > |Clear memory decoding bit| > > |Set broken | > > +-------------------------+ > > > > Let me know what you think of this. > > Looks reasonable, maybe with "set broken" replaced by "set > broken if Dom0, else remove device from domain". This at least > partly depends on how recovery from "broken" would look like, > i.e. whether that would be applicable (and safe) for a DomU as > well.
I will add the "remove device from domain" for the DomU case and put this as a comment somewhere. IMO it can always be improved in the future with better recovery options. Thanks, Roger. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
