On Mon, 2011-05-23 at 11:20 +0100, James Harper wrote: > > > > On Sat, 2011-05-21 at 09:44 +0100, James Harper wrote: > > > Am I understanding right that the OS would need to be completely put on > > > hold in the middle of the hypercall while the BIOS took over and did > > > it's shutdown sequence, which presumably involves xenstore activity? > > > > Correct, or at least that is one suggestion (probably the front runner > > at the moment). > > > > In theory it's no worse than SMM, which Windows presumably already copes > > with, but perhaps the latency from having to do the xenstore interaction > > is far greater than any real SMM operation. > > > > How hard would it be to create a better mechanism for going forward > and implement the above as a fallback if the DomU doesn't support the > new mechanism?
I suspect the answer is, not all that hard... In fact I think that would make sense regardless of how hard it is. Ian. _______________________________________________ SeaBIOS mailing list [email protected] http://www.seabios.org/mailman/listinfo/seabios
