On Sun, 2012-08-05 at 12:00 +0300, Avi Kivity wrote: > > So we'll need to test but it looks like we might be able to fix our > > problem without a kernel or API change, just by changing qemu to > > do the same exit_request trick for our reboot hypercall. > > > > Long run however, I wonder whether we should consider an explicit ioctl > > to complete those pending operations instead... > > It's pointless. We have to support the old method forever. There's no > material different between sigqueue() + KVM_RUN and KVM_COMPLETE, or a > KVM_RUN with a flag that tells it to exit immediately. Sort-of... in fact, I would say after more thoughts that the real reason to leave things as-is is that we actually need a clean restartable state for migration, and an ioctl for "aborting" transactions wouldn't complete them properly, which is fine for reset but not for migration or snapshots. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
