[PATCH] Add text for dealing with "dot releases" to README

[Kurt Wall <kwall@kurtwerks.com>]

The emergence of so-called "dot releases" that are non-incremental
patches against a base kernel requires different handling of patches
(revert previous patches before applying the newest one). This patch
adds a paragrach to $TOPDIR/README explaining how to do deal with
dot release patches.

The patch is against 2.6.12.3. A possibly too quick glance at
MAINTAINERS didn't show one for README.

Signed-off-by: Kurt Wall <kwall@kurtwerks.com>

--- linux-2.6.12.3/README	2005-07-26 21:18:18.000000000 -0400
+++ b/README	2005-07-26 21:25:13.000000000 -0400
@@ -87,6 +87,16 @@
    kernel source.  Patches are applied from the current directory, but
    an alternative directory can be specified as the second argument.
 
+ - If you are upgrading between releases using the stable series patches
+   (for example, patch-2.6.xx.y), note that these "dot-releases" are
+   not incremental and must be applied to the 2.6.xx base tree. For
+   example, if your base kernel is 2.6.12 and you want to apply the
+   2.6.12.3 patch, you do not and indeed must not first apply the
+   2.6.12.1 and 2.6.12.2 patches. Similarly, if you are running kernel
+   version 2.6.12.2 and want to jump to 2.6.12.3, you must first
+   reverse the 2.6.12.2 patch (that is, patch -R) _before_ applying 
+   the 2.6.12.3 patch.
+
  - Make sure you have no stale .o files and dependencies lying around:
 
 		cd linux
-- 
The first myth of management is that it exists.  The second myth of
management is that success equals skill.
		-- Robert Heller
-
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