On Wed, Jun 14, 2017 at 01:28:23PM +0200, Paolo Bonzini wrote: > > > On 13/06/2017 21:28, Radim Krčmář wrote: > >> It requires QEMU with the extended test device supporting message end > >> event connection test modes (recently posted on qemu-devel). On older > >> QEMU versions it fails. > > Doesn't QEMU provide a way to detect this feature from the outside (some > > command line magic) that we could use it to skip the test? > > Should we check whether SIGNAL_EVENT returns > HV_STATUS_INVALID_HYPERCALL_CODE or HV_STATUS_INVALID_CONNECTION_ID, and > if the former skip the test completely? Yeah this looks like a workable solution, thanks! Roman.