Avi, On Fri, Jul 13, 2007 at 09:53:36AM +0300, Avi Kivity wrote: > Stephane Eranian wrote: > > Avi, > > > > A couple of months back, we had a discussion about PMU virtualization > > and the difficulty I encountered trying to catch the PMU interrupt > > vector in kvm on VM-exit. KVM does not set ack_intr_on_intr. Would > > you mind reminding me of the reason for this? > > > > > > If we ack the interrupt, we have to dispatch it ourselves, most likely > by faking an 'int $xx' instruction. > > By not acking the interrupt, we allow it do be delivered through the > host IDT whether we are in guest mode or not. > Doesn't that assume that any interrupt generated by the guest has a host IDT entry?
On a related issue, you set NMI_EXITING. Why is that? Assuming the guest does not use the NMI watchdog. Are you doing this to ensure that the host NMI watchdog keeps on going while you're executing in the guest? Thanks. -- -Stephane ------------------------------------------------------------------------- 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
