X-Git-Url: https://git.decadent.org.uk/gitweb/?p=stable-kernel-talk.git;a=blobdiff_plain;f=index.html;h=9dd36d429cfa48c6ff6d4f99e7a813d8377dd7db;hp=0d9a78c83e0fd6356e9a8fbc4667c372b3cfa143;hb=refs%2Fheads%2Fmaster;hpb=8d93d40cbb65f884b5342c724c5ff4b725be88b8

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@@ -74,7 +74,7 @@
     </li>
     <li>
       A <dfn>longterm</dfn> stable branch may be maintained by Greg or
-      another developer beyond this period
+      another developer beyond this period (I look after 3.2)
     </li>
   </ul>
 </div>
@@ -95,14 +95,119 @@
       notified and may provide a backported version
     </li>
     <li>
-      Any commit in Linus's tree, or a fix for a stable-only
-      regression, can be nominated by mail to this list, if it
+      Any commit in Linus's tree can be nominated by mail to this list, if it
       meets the criteria - see
       <a href="http://www.kernel.org/doc/Documentation/stable_kernel_rules.txt"><tt>Documentation/stable_kernel_rules.txt</tt></a>
     </li>
+    <li>
+      Occasional regression fix in stable without a corresponding
+      commit in Linus's tree, because the change that regressed was
+      OK in mainline
+    </li>
+  </ul>
+</div>
+
+<div class="slide">
+  <h1>The stable update process (2)</h1>
+  <ul>
+    <li>
+      Maintainer sends pending changes to mailing list, original
+      authors, etc., for time-limited review and testing
+      <ul>
+	<li>
+	  Fix might not be needed in a stable branch, or might not
+	  work due to missing dependencies
+	</li>
+	<li>
+	  Fix might have been found to introduce a regression in
+	  mainline, so must wait until second fix available
+	</li>
+      </ul>
+    </li>
+    <li>
+      Maintainer drops/adds changes based on review, then applies
+      to stable branch and tags release
+    </li>
+    <li>
+      Greg pushes tag to kernel.org (possibly after pulling from
+      another maintainer) which generates tarballs, updates the front
+      page, etc.
+    </li>
+    <li>
+      Maintainer announces the release, shortly followed by LWN
+      and other news media
+    </li>
+  </ul>
+</div>
+
+<div class="slide">
+  <h1>Distributions and stable updates</h1>
+  <ul>
+    <li>
+      Package maintainers want to get bug fixes without waiting for
+      the next release - particularly for security
+    </li>
+    <li>
+      Maintainers report bugs upstream, find and sometimes write
+      fixes, and stable updates are a way to share these fixes across
+      distributions
+      <ul>
+	<li>
+	  Are you doing this?  If not, what's stopping you?
+	</li>
+      </ul>
+    </li>
+    <li>
+      Distribution stable releases have a much longer support period
+      than kernel release cycle, but updating to every new Linus
+      release is too risky
+    </li>
+    <li>
+      So the longterm stable branches are very important for most
+      distributions with stable releases
+    </li>
+  </ul>
+</div>
+
+<div class="slide">
+  <h1>Coordinating longterm branches</h1>
+  <ul>
+    <li>
+      Linux 2.6.32 was chosen as the basis for RHEL 6, and other
+      distributions preparing a stable release in 2010 opted to do
+      the same
+    </li>
+    <li>
+      The 2.6.32.<var>y</var> longterm branch is the basis for kernel
+      packages in Debian 6.0, SLE11 SP1 and Ubuntu 10.04 LTS and
+      has over 3,500 changes
+    </li>
+    <li>
+      Other longterm branches have not been quite as widely used or as
+      active - maybe because release schedules didn't align as well
+    </li>
+    <li>
+      Do package maintainers expect/want there to be a longterm stable
+      branch for the kernel version in a stable release?
+    </li>
+    <li>
+      Should we be coordinating more explicitly to ensure that this
+      happens?
+    </li>
+    <li>
+      Would you be prepared to maintain such a branch at kernel.org?
+    </li>
   </ul>
 </div>
 
+<div class="slide">
+  <h1>Questions?</h1>
+  <p>
+    The FAQ is
+    <a href="http://www.kernel.org/doc/Documentation/stable_kernel_rules.txt"><tt>Documentation/stable_kernel_rules.txt</tt></a>
+  </p>
+</div>
+
 <div class="slide">
   <h1>Credits</h1>
   <ul>