[src/uebayasi-xip]: src/share/man/man4 Note that underlying char array must b...

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

details:   https://anonhg.NetBSD.org/src/rev/651b23effa49
branches:  uebayasi-xip
changeset: 751820:651b23effa49
user:      uebayasi <uebayasi%NetBSD.org@localhost>
date:      Thu Oct 28 03:27:55 2010 +0000

description:
Note that underlying char array must be physically contiguous.

diffstat:

 share/man/man4/xmd.4 |  13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 865ac4cce899 -r 651b23effa49 share/man/man4/xmd.4
--- a/share/man/man4/xmd.4      Wed Oct 27 14:51:29 2010 +0000
+++ b/share/man/man4/xmd.4      Thu Oct 28 03:27:55 2010 +0000
@@ -1,8 +1,8 @@
-.\" $NetBSD: xmd.4,v 1.1.2.1 2010/08/19 12:36:59 uebayasi Exp $
+.\" $NetBSD: xmd.4,v 1.1.2.2 2010/10/28 03:27:55 uebayasi Exp $
 .\"
 .\" This file is in the public domain.
 .\"
-.Dd August 19, 2010
+.Dd October 28, 2010
 .Dt XMD 4
 .Os
 .Sh NAME
@@ -28,3 +28,12 @@
 .Xr md 4 ,
 .Xr options 4 ,
 .Xr mdsetimage 8
+.Sh BUGS
+Due to the design of XIP, device pages in a physical segment must
+be contiguous.
+This leads to a restriction that the page array in the
+.Nm
+driver must be also contiguous.
+It is highly expectable that the
+.Nm
+kernel module will not work.