linux-kernel - [PATCH] Doc/stable rules: add new cherry-pick logic

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Message-ID: <20091204111635.GA28059@Chamillionaire.breakpoint.cc>
Date:	Fri, 4 Dec 2009 12:16:35 +0100
From:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
To:	Greg KH <gregkh@...e.de>
Cc:	Artem Bityutskiy <Artem.Bityutskiy@...ia.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] Doc/stable rules: add new cherry-pick logic

- it is possible to submit patches for the stable queue without sending
  them directly stable@...nel.org. If the tag (Cc: stable@...nel.org) is
  available in the sign-off area then hpa's script will filter them into
  the stable mailbox once it hits Linus' tree.
- Patches which require others to be applied first can be also specified.
  This was discussued in http://lkml.org/lkml/2009/11/9/474

Signed-off-by: Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
---
Greg, the cherry pick format got acked by stable team didn't it?

 Documentation/stable_kernel_rules.txt |   22 +++++++++++++++++++++-
 1 files changed, 21 insertions(+), 1 deletions(-)

diff --git a/Documentation/stable_kernel_rules.txt b/Documentation/stable_kernel_rules.txt
index a452227..8c0aaad 100644
--- a/Documentation/stable_kernel_rules.txt
+++ b/Documentation/stable_kernel_rules.txt
@@ -25,7 +25,27 @@ Rules on what kind of patches are accepted, and which ones are not, into the
 Procedure for submitting patches to the -stable tree:
 
  - Send the patch, after verifying that it follows the above rules, to
-   stable@...nel.org.
+   stable@...nel.org. An alternative is to have the tag
+    Cc: stable@...nel.org
+   in the sign-off area. Once the patch is merged it will be filtered
+   into the stable tree even without sending directly to
+   stable@...nel.org
+ - If the patch requires other patches as prerequisites which can be
+   cherry-picked then this can be specified in the following format in
+   the sign-off area:
+
+    Cc: <stable@...nel.org> # .32.x: a1f84a3: sched: Check for an idle shared cache
+    Cc: <stable@...nel.org> # .32.x: 1b9508f: sched: Rate-limit newidle
+    Cc: <stable@...nel.org> # .32.x: fd21073: sched: Fix affinity logic
+    Cc: <stable@...nel.org> # .32.x
+    Signed-off-by: Ingo Molnar <mingo@...e.hu>
+
+   The tag sequence has the meaning of:
+    git cherry-pick a1f84a3
+    git cherry-pick 1b9508f
+    git cherry-pick fd21073
+    git cherry-pick <this commit>
+
  - The sender will receive an ACK when the patch has been accepted into the
    queue, or a NAK if the patch is rejected.  This response might take a few
    days, according to the developer's schedules.
-- 
1.6.5.2

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