Take a pass at updating this man page a bit to at least mention SMPng,

that we do MP on more than just i386, and add some cross-references.
This is far from a perfect update, but at least it's a start.  More
will no doubt follow.

Reviewed by:	jhb
Approved by:	re

1 files changed, 23 insertions, 5 deletions

diff --git a/share/man/man4/smp.4 b/share/man/man4/smp.4
index af71e6e..7620235 100644
--- a/share/man/man4/smp.4
+++ b/share/man/man4/smp.4
@@ -23,7 +23,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 4, 1997
+.Dd December 5, 2002
 .Dt SMP 4
 .Os
 .Sh NAME
@@ -36,15 +36,25 @@ The
 .Nm
 kernel implements symmetric multiprocessor support.
 .Sh COMPATIBILITY
-The
+Support for multi-processor systems is present for all supported
+architectures on FreeBSD.
+Currently, this includes alpha, i386, ia64, and sparc64.
+.Pp
+For i386 systems, the
 .Nm
 kernel supports motherboards that follow the Intel MP specification,
 version 1.4.
-.Sh BUGS
-That would be a good guess...
+On i386 systems, the
+.Xr mptable 1
+command may be used to view the status of multi-processor support.
 .Sh SEE ALSO
 .Xr mptable 1 ,
-.Xr dmesg 8
+.Xr condvar 9 ,
+.Xr msleep 9 ,
+.Xr mtx_pool 9 ,
+.Xr mutex 9 ,
+.Xr sema 9 ,
+.Xr sx 9
 .Sh HISTORY
 The
 .Nm
@@ -52,5 +62,13 @@ kernel's early history is not (properly) recorded.  It was developed
 in a separate CVS branch until April 26, 1997, at which point it was
 merged into 3.0-current.  By this date 3.0-current had already been
 merged with Lite2 kernel code.
+.Pp
+.Fx 5.0
+introduced support for a host of new synchronization primitives, and
+a move towards fine-grained kernel locking rather than reliance on
+a Giant kernel lock.
+The SMPng Project relied heavily on the support of BSDi, who provided
+reference source code from the fine-grained SMP implementation found
+in BSD/OS.
 .Sh AUTHORS
 .An Steve Passe Aq fsmp@FreeBSD.org