MPSAFE TTY schedule [uart vs sio]

[Takahashi Yoshihiro]

In article <20080704.063540.1210476607.imp at bsdimp.com>
"M. Warner Losh" <imp at bsdimp.com> writes:

> Do you need physical access?  I have a pc98 machine I can put back on
> the network.  It has the 8251 chip in it.  It also has a 16550 part as
> well since it is a later model which had both...
> 
> I believe that uart works for the 16550 part, but haven't tried it
> lately...

The uart probably works for some 16550 based devices but does not work
for other one like multi-port devices.

---
TAKAHASHI Yoshihiro <nyan at jp.FreeBSD.org>