On 24.11.2009, at 19:55, Anthony Liguori wrote: > Alexander Graf wrote: >> On our S390x Virtio machine we don't have anywhere to display early printks >> on, because we don't know about VGA or serial ports. >> >> So instead we just forward everything to the virtio console that we created >> anyways. >> > > What is this used for?
This is used for console output before virtio is initialized. I didn't invent it - that's the way it's implemented in the s390 kernels today. Alex
