From owner-svn-doc-all@FreeBSD.ORG  Fri Nov 22 13:29:30 2013
Return-Path: <owner-svn-doc-all@FreeBSD.ORG>
Delivered-To: svn-doc-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 5AC57C3;
 Fri, 22 Nov 2013 13:29:30 +0000 (UTC)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 4A678248B;
 Fri, 22 Nov 2013 13:29:30 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id rAMDTUHc096318;
 Fri, 22 Nov 2013 13:29:30 GMT (envelope-from rene@svn.freebsd.org)
Received: (from rene@localhost)
 by svn.freebsd.org (8.14.7/8.14.5/Submit) id rAMDTU8I096317;
 Fri, 22 Nov 2013 13:29:30 GMT (envelope-from rene@svn.freebsd.org)
Message-Id: <201311221329.rAMDTU8I096317@svn.freebsd.org>
From: Rene Ladan <rene@FreeBSD.org>
Date: Fri, 22 Nov 2013 13:29:30 +0000 (UTC)
To: doc-committers@freebsd.org, svn-doc-all@freebsd.org,
 svn-doc-head@freebsd.org
Subject: svn commit: r43213 - head/en_US.ISO8859-1/books/porters-handbook
X-SVN-Group: doc-head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-doc-all@freebsd.org
X-Mailman-Version: 2.1.16
Precedence: list
List-Id: "SVN commit messages for the entire doc trees \(except for &quot;
 user&quot; , &quot; projects&quot; , and &quot; translations&quot;
 \)" <svn-doc-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-doc-all>,
 <mailto:svn-doc-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-doc-all/>
List-Post: <mailto:svn-doc-all@freebsd.org>
List-Help: <mailto:svn-doc-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-doc-all>,
 <mailto:svn-doc-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 22 Nov 2013 13:29:30 -0000

Author: rene
Date: Fri Nov 22 13:29:29 2013
New Revision: 43213
URL: http://svnweb.freebsd.org/changeset/doc/43213

Log:
  Expand description of USES=kmod explaining why KMODDIR=/boot/kernel is
  a bad idea and therefore rewritten.
  
  Approved by:	gjb (mentor)

Modified:
  head/en_US.ISO8859-1/books/porters-handbook/uses.xml

Modified: head/en_US.ISO8859-1/books/porters-handbook/uses.xml
==============================================================================
--- head/en_US.ISO8859-1/books/porters-handbook/uses.xml	Fri Nov 22 11:49:36 2013	(r43212)
+++ head/en_US.ISO8859-1/books/porters-handbook/uses.xml	Fri Nov 22 13:29:29 2013	(r43213)
@@ -144,7 +144,13 @@
     <listitem><para>Define <varname>KMODDIR</varname> to <filename
 	class="directory">/boot/modules</filename> by default, add it
       to <varname>PLIST_SUB</varname> and <varname>MAKE_ENV</varname>,
-      and create it upon installation.</para></listitem>
+      and create it upon installation.  If KMODDIR is set to
+      <filename class="directory">/boot/kernel</filename>, it will be
+      rewritten to <filename class="directory">/boot/modules</filename>.
+      This prevents breaking packages when upgrading the kernel due to
+      <filename class="directory">/boot/kernel</filename> being renamed
+      to <filename class="directory">/boot/kernel.old</filename> in the
+      process.</para></listitem>
     <listitem><para>Handle cross-referencing kernel modules upon installation
       and deinstallation.</para></listitem>
   </itemizedlist>