On Thu, 2007-05-17 at 11:13 -0500, Anthony Liguori wrote: > Rusty Russell wrote: > > I think shared memory is an obvious start, but it's not enough for > > inter-guest where they can't freely access each other's memory. So you > > really want a ring-buffer of descriptors with a hypervisor-assist to say > > "read/write this into the memory referred to by that descriptor". > > I think this is getting a little ahead of ourselves. An example of this > idea is pretty straight-forward but it gets more complicated when trying > to support the existing memory sharing mechanisms on various > hypervisors. There are a few cases to consider:
To clarify, I'm not overly interested in existing mechanisms. I'm first trying for something sane from a Linux driver POV, then see if it can be implemented in terms of legacy systems. This reflects my belief that we will see more virtualization solutions in the medium term, so it's reasonable to look at a new system. Cheers, Rusty. ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
