Anthony, If there's read and write access, it needs to be part of the savevm state. > Is it per-cpu? If it's write only, then it doesn't need to be persisted in > savevm. > I did implement and test the savevm/loadvm functionality. -Jordan On Mon, Jun 29, 2009 at 11:39 AM, Anthony Liguori wrote: > Avi Kivity wrote: > >> I still think the read/write port route would >>> * better emulate systems, >>> * be more flexible (allowing software the option to read it), >>> * and, be easier to implement :) >>> >>> But, I think the most important part is to make the data accessible >>> somehow. So, the monitor access method would work fine as well. >>> >> >> I don't object to read/write access. >> > > If there's read and write access, it needs to be part of the savevm state. > Is it per-cpu? If it's write only, then it doesn't need to be persisted in > savevm. > > I'd lean toward write-only unless there was a compelling reason to make it > read/write. > > Regards, > > Anthony Liguori > >