>>> On 13.01.16 at 13:32, <roger....@citrix.com> wrote: > The HVMlite series removed the initialization of the emulated PIT for PV > guests, but the handler was still reachable, which means a PV guests can > crash Xen if it pokes at IO ports 0x42, 0x43 or 0x61. Completely remove the > PV PIT handler and move the PIT initialization to HVM guests only.
As said on IRC - this is needed for Dom0 to be able to drive the PC speaker. You'll need to provide a fix for the suppressed initialization instead, at least for Dom0. (As an aside, your patch orphans hwdom_pit_access().) Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
