[src/trunk]: src/sys/kern Amplify comment about ultrix bits.

[dholland <dholland%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/96610e617079
branches:  trunk
changeset: 751099:96610e617079
user:      dholland <dholland%NetBSD.org@localhost>
date:      Sun Jan 24 19:56:26 2010 +0000

description:
Amplify comment about ultrix bits.

diffstat:

 sys/kern/tty_pty.c |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (31 lines):

diff -r ab2109090fe0 -r 96610e617079 sys/kern/tty_pty.c
--- a/sys/kern/tty_pty.c        Sun Jan 24 19:16:05 2010 +0000
+++ b/sys/kern/tty_pty.c        Sun Jan 24 19:56:26 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tty_pty.c,v 1.120 2009/12/20 19:06:44 pooka Exp $      */
+/*     $NetBSD: tty_pty.c,v 1.121 2010/01/24 19:56:26 dholland Exp $   */
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tty_pty.c,v 1.120 2009/12/20 19:06:44 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tty_pty.c,v 1.121 2010/01/24 19:56:26 dholland Exp $");
 
 #include "opt_ptm.h"
 
@@ -119,7 +119,11 @@
 };
 
 #if defined(pmax)
-/* see arch/pmax/conf/majors.pmax */
+/*
+ * Used by arch/pmax/conf/majors.pmax, which needs a second copy as it
+ * needs to map this stuff to two pairs of majors.
+ */
+
 const struct cdevsw ptc_ultrix_cdevsw = {
        ptcopen, ptcclose, ptcread, ptcwrite, ptyioctl,
        nullstop, ptytty, ptcpoll, nommap, ptckqfilter, D_TTY