On 03/14/2012 12:04 PM, Wen Congyang wrote: > > > > This is sufficient. On the host, you can open /tmp/foo using a custom > > program or nc (nc -U /tmp/foo). On the guest, you can just open > > /dev/virtio-ports/port1 and read/write into it. > > I have two questions: > 1. does it OK to open this device when the guest is panicked? > On panic, I think it's best to reset the device and drive it directly from the panic handler. -- error compiling committee.c: too many arguments to function -- 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