[PATCH 3/7] docs/devel: add b4 for patch retrieval

[Pierrick Bouvier]

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
 docs/devel/submitting-a-patch.rst | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/docs/devel/submitting-a-patch.rst 
b/docs/devel/submitting-a-patch.rst
index 953682f20cb..d25c677d996 100644
--- a/docs/devel/submitting-a-patch.rst
+++ b/docs/devel/submitting-a-patch.rst
@@ -417,6 +417,16 @@ For more details on how QEMU's stable process works, refer 
to the
 
 .. _participating_in_code_review:
 
+Retrieve an existing series
+---------------------------
+
+If you want to apply an existing series on top of your tree, you can simply use
+`b4 <https://github.com/mricon/b4>`__.
+
+::
+
+    b4 shazam $msg-id
+
 Participating in Code Review
 ----------------------------
 
-- 
2.39.5