While I see the importance of bootup messages for trouble shooting, I
don't think that justifies any more sophisticated scrollback in the
kernel. The existing code just uses what is available, nearly for
free, on the VGS hardware. For checking boot messages I'd suggest
using a serial console.
-- Paul H. Hargrove All material not otherwise attributed hargrove@sccm.stanford.edu is the opinion of the author or a typo.