massaging and a man page by me.  I used the phk-derived stuff for
sha2hl.c instead of Aaron's for consistency with our other hash
routines.

ok millert@

just (effectively) cast to unsigned.  ho@ OK

ok hugh@

The Legato Prestoserve NFS accelerator used to be very popular, back when
NFSv3 did not exist, and disks and network speeds were not as good as they
are now...
This driver does not attempt to play any game with filesystems, but will only
provide access to the cards NVRAM, as a block device.
If you have bright ideas on ``what to do with a few MB of battery-backed
memory'', I am interested in realistic suggestions!

people to bundle this code.

todd@ OK

from Mathieu Sauve-Frankel m dot sauve at secureops dot com
ok brad@

ok deraadt@ tedu@ tdeval@

deraadt@ OK

ok millert@

safe as we can get.  deraadt@ OK

removed /var/at from 4.4BSD.var;
ok millert@

- no more /var/spool/lpd (lpd uses /var/spool/output)
- no more /var/preserve (old vi directory)
- update docs to reflect this
help with systrace provos@
help and ok millert@

disabled by default.
Enable with sysctl -w machdep.userldt=1
This will allow people to use the few ports that require this functionality
to work without requiring the user to recompile a kernel.
The option USER_LDT remains in order to not increase size on the
installation media. It is now enabled in GENERIC.
Per espie@'s idea, but my diff was much simpler than his; ok deraadt@

ok millert@ miod@ deraadt@

Improved & OK'd by dhartmei@, david@, millert@.

one argument.
OK miod@, millert@, henning@, markus@, fries@, tdeval@

ok millert@