Add a reference to paper to SubmittingPatches

Add a reference to paper to SubmittingPatches

For this year's OLS I wrote a paper on successfull strategies
to submit difficult kernel patches. Add a reference to it to
SubmittingPatches.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches
index 0d601cb..98aa8b1 100644
--- a/Documentation/SubmittingPatches
+++ b/Documentation/SubmittingPatches
@@ -672,4 +672,9 @@
 
 Linus Torvalds's mail on the canonical patch format:
   <http://lkml.org/lkml/2005/4/7/183>
+
+Andi Kleen, "On submitting kernel patches"
+  Some strategies to get difficult or controversal changes in.
+  http://halobates.de/on-submitting-patches.pdf
+
 --