+ <h1>Debian kernel team (2)</h1>
+ <p>
+ What do we do?
+ </p>
+ <ul class="incremental">
+ <li>
+ Bug triage - takes a huge amount of time
+ </li>
+ <li>
+ Backport bug fixes and features - particularly new hardware
+ support for stable
+ <ul class="incremental">
+ <li>...while trying not to change kernel ABI in stable</li>
+ </ul>
+ </li>
+ <li>
+ Update build configurations for each new upstream release -
+ e.g. to enable new drivers
+ </li>
+ <li>
+ Try to ensure smooth upgrades when there are major
+ implementation changes - e.g. KMS, switch to libata drivers
+ </li>
+ <li>
+ Integrate <em>some</em> features not accepted upstream
+ </li>
+ </ul>
+</div>
+
+<div class="slide">
+ <h1>Official Linux kernel packages (1)</h1>
+ <p>
+ Main source package is linux-2.6 (still!). Most binary package
+ names change regularly.
+ </p>
+ <ul class="incremental">
+ <li>
+ linux-image-<var>upstream</var>-<var>abi</var>-<var>flavour</var>
+ - compiled kernel and modules
+ </li>
+ <li>
+ linux-headers-<var>upstream</var>-<var>abi</var>-<var>flavour</var>
+ (and others) - development package for OOT modules
+ </li>
+ <li>
+ linux-libc-dev - headers for userland
+ </li>
+ <li>
+ linux-source-<var>upstream</var> - for custom kernels
+ </li>
+ <li>
+ linux-doc-<var>upstream</var>, linux-tools-<var>upstream</var>,
+ etc.
+ </li>
+ <li>
+ linux-support-<var>upstream</var>-<var>abi</var> - scripts and
+ metadata to support linux-latest-2.6
+ </li>
+ </ul>
+</div>
+
+<div class="slide">
+ <h1>Official Linux kernel packages (2)</h1>
+ <p>
+ The linux-latest-2.6 source package builds meta-packages to
+ support automatic upgrades between binaries built from linux-2.6.
+ </p>
+ <ul class="incremental">
+ <li>
+ linux-image-<var>flavour</var>
+ </li>
+ <li>
+ linux-headers-<var>flavour</var>
+ </li>
+ <li>
+ linux-source, linux-doc, linux-tools, etc.
+ </li>
+ </ul>
+ <p class="incremental">
+ The installer will normally install linux-image-<var>flavour</var>
+ (for some appropriate <var>flavour</var>).
+ </p>
+</div>
+
+<div class="slide">
+ <h1>Official Linux kernel packages (3)</h1>
+ <ul class="incremental">
+ <li>
+ firmware-free - separate 'firmware' compliant with DFSG
+ </li>
+ <li>
+ linux-base - base package for images and tools
+ </li>
+ <li>
+ linux-kbuild-2.6 builds linux-kbuild-<var>upstream</var> -
+ code used for building OOT modules
+ </li>
+ </ul>
+</div>
+
+<div class="slide">
+ <h1>Custom Linux kernel builds</h1>
+ <p>
+ The official packages work for most users, but not all:
+ </p>
+ <ul class="incremental">
+ <li>
+ Different ARM platforms need incompatible configurations,
+ and we cannot build them all
+ </li>
+ <li>
+ New features are not enabled immediately if we are worried
+ about potential regressions
+ </li>
+ </ul>
+ <p class="incremental">
+ Using either upstream source or Debian linux-source package:
+ </p>
+ <ul class="incremental">
+ <li>
+ <tt>make && make install</tt>
+ </li>
+ <li>
+ <tt>make deb-pkg</tt> - build packages
+ </li>
+ <li>
+ <tt>make-kpkg</tt> - build packages with more customisation;
+ requires kernel-package
+ </li>
+ </ul>