LOCALVERSION_AUTO considered harmful

[Pavel Machek]

LOCALVERSION_AUTO has nasty interaction with modules, warn about it.

Signed-off-by: Pavel Machek <pavel@xxxxxx>

diff --git a/init/Kconfig b/init/Kconfig
index eb77e8c..5d33072 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -88,7 +88,6 @@ config LOCALVERSION
 
 config LOCALVERSION_AUTO
 	bool "Automatically append version information to the version string"
-	default y
 	help
 	  This will try to automatically determine if the current tree is a
 	  release tree by looking for git tags that belong to the current
@@ -99,6 +98,11 @@ config LOCALVERSION_AUTO
 	  appended after any matching localversion* files, and after the value
 	  set in CONFIG_LOCALVERSION.
 
+	  Unfortunately, such finegrained versioning will mean that you will
+	  not be able to use modules for development; even "make modules"
+	  will change module versions, making recompiled modules impossible
+	  to insert into old kernel. 
+
 	  (The actual string used here is the first eight characters produced
 	  by running the command:
 

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