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-<title>The Linux kernel in Debian - Ben Hutchings - DebConf 11</title>
+<title>The Linux kernel in Debian - Mini-DebConf Paris 2012</title>
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-<h1>DebConf 11</h1>
+<h1>Mini-DebConf Paris 2012</h1>
<h2>The Linux kernel in Debian</h2>
</div>
<div class="slide">
<h1>The Linux kernel in Debian</h1>
<object data="tux-debian.svg" width="35%" align="right"></object>
-<h3>Ben Hutchings</h3>
+<h3>Ben Hutchings and Max Attems</h3>
</div>
<div class="slide">
- <h1>The author</h1>
- <ul class="incremental">
+ <h1>Ben Hutchings</h1>
+ <ul>
<li>
Professional software developer since 1998
</li>
</li>
<li>
Debian kernel contributor since 2008; uploader since 2009
- <ul class="incremental">
+ <ul>
<li>
Initially trying to deal with the non-free firmware issue
</li>
</ul>
</div>
+<div class="slide">
+ <h1>Max Attems</h1>
+ <ul>
+ <li>TODO</li>
+ </ul>
+</div>
+
<div class="slide">
<h1>Linux kernel</h1>
<ul class="incremental">
<ul class="incremental">
<li>
Currently 5 general maintainers: Maximilian Attems, Bastian
- Blank, dann frazier, Moritz Muehlenhoff and me
+ Blank, dann frazier, Ben Hutchings, Moritz Muehlenhoff
</li>
<li>
Many more specialised contributors:
<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.
+ Main source package is <span class="package">linux-2.6</span>
+ (still!). Most binary package names change regularly.
</p>
<ul class="incremental">
<li>
- linux-image-<var>upstream</var>-<var>abi</var>-<var>flavour</var>
+ <span class="package">linux-image-<var>upstream</var>-<var>abi</var>-<var>flavour</var></span>
- compiled kernel and modules
</li>
<li>
- linux-headers-<var>upstream</var>-<var>abi</var>-<var>flavour</var>
+ <span class="package">linux-headers-<var>upstream</var>-<var>abi</var>-<var>flavour</var></span>
(and others) - development package for OOT modules
</li>
<li>
- linux-libc-dev - headers for userland
+ <span class="package">linux-libc-dev</span> - headers for userland
</li>
<li>
- linux-source-<var>upstream</var> - for custom kernels
+ <span class="package">linux-source-<var>upstream</var></span> -
+ for custom kernels
</li>
<li>
- linux-doc-<var>upstream</var>, linux-tools-<var>upstream</var>,
- etc.
+ <span class="package">linux-doc-<var>upstream</var></span>,
+ <span class="package">linux-tools-<var>upstream</var></span>, etc.
</li>
<li>
- linux-support-<var>upstream</var>-<var>abi</var> - scripts and
- metadata to support linux-latest-2.6
+ <span class="package">linux-support-<var>upstream</var>-<var>abi</var></span> -
+ 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.
+ The <span class="package">linux-latest-2.6</span> source package builds meta-packages
+ to support automatic upgrades between binaries built
+ from <span class="package">linux-2.6</span>.
</p>
<ul class="incremental">
<li>
- linux-image-<var>flavour</var>
+ <span class="package">linux-image-<var>flavour</var></span>
</li>
<li>
- linux-headers-<var>flavour</var>
+ <span class="package">linux-headers-<var>flavour</var></span>
</li>
<li>
- linux-source, linux-doc, linux-tools, etc.
+ <span class="package">linux-source</span>,
+ <span class="package">linux-doc</span>,
+ <span class="package">linux-tools</span>, etc.
</li>
</ul>
<p class="incremental">
- The installer will normally install linux-image-<var>flavour</var>
- (for some appropriate <var>flavour</var>).
+ The installer will normally install
+ <span class="package">linux-image-<var>flavour</var></span> (for
+ some appropriate <var>flavour</var>).
</p>
</div>
<h1>Official Linux kernel packages (3)</h1>
<ul class="incremental">
<li>
- firmware-free - separate 'firmware' compliant with DFSG
+ <span class="package">firmware-free</span> - separate 'firmware'
+ compliant with DFSG
</li>
<li>
- linux-base - base package for images and tools
+ <span class="package">linux-base</span> - base package for
+ images and tools
</li>
<li>
- linux-kbuild-2.6 builds linux-kbuild-<var>upstream</var> -
- code used for building OOT modules
+ <span class="package">linux-kbuild-2.6</span> builds
+ <span class="package">linux-kbuild-<var>upstream</var></span> -
+ kernel build system and tools for building OOT modules
</li>
</ul>
</div>
</p>
<ul class="incremental">
<li>
- <tt>make && make install</tt>
+ <span class="package">make && make install</span>
</li>
<li>
- <tt>make deb-pkg</tt> - build packages
+ <span class="package">make deb-pkg</span> - build packages
</li>
<li>
- <tt>make-kpkg</tt> - build packages with more customisation;
- requires kernel-package
+ <span class="package">make-kpkg</span> - build packages with
+ more customisation; requires
+ <span class="package">kernel-package</span>
+ </li>
+ </ul>
+</div>
+
+<div class="slide">
+ <h1>Extra features</h1>
+ <p>
+ Always aim to get patches merged upstream. But many big features
+ that users want added are <em>not</em> merged upstream for a long
+ time. Kernel team expects features to be upstream first, then
+ backported.
+ </p>
+ <p class="incremental">
+ But there have been exceptions:
+ </p>
+ <ul class="incremental">
+ <li>
+ OpenVZ and VServer - mostly reimplemented with cgroups and
+ namespaces
+ </li>
+ <li>
+ Xen - now upstream; Linux 3.0 is a useful dom0 kernel!
+ </li>
+ <li>
+ aufs - needed for Debian Live
+ </li>
+ <li>
+ PREEMPT_RT - gradually being merged upstream; new option in
+ amd64 packages
</li>
</ul>
</div>
</p>
<ul class="incremental">
<li>
- <tt>dkms</tt> - builds and installs modules automatically. Can
- build packages for installation on other systems. Also
- supported by Ubuntu and SUSE.
+ <span class="package">dkms</span> - builds and installs modules
+ automatically. Can build packages for installation on other
+ systems. Also supported by Ubuntu and SUSE.
</li>
<li>
- <tt>module-assistant</tt> - builds packages as directed.
- Uses a separate package name for each kernel ABI.
+ <span class="package">module-assistant</span> - builds packages
+ as directed. Uses a separate package name for each kernel ABI.
</li>
</ul>
</div>
files installed
</li>
<li>
- Kernel team maintains <tt>firmware-nonfree</tt> source package
+ Kernel team maintains
+ <span class="package">firmware-nonfree</span> source package
covering most firmware files that are clearly redistributable
</li>
<li>
Also collected in linux-firmware.git repository maintained by
- David Woodhouse and myself
+ David Woodhouse and Ben Hutchings
</li>
</ul>
</div>
<div class="slide">
<h1>Documentation</h1>
+ <ul class="incremental">
+ <li>
+ <span class="package">manpages-dev</span> - the system call API
+ </li>
+ <li>
+ <span class="package">linux-doc-</span><var>upstream</var> -
+ miscellaneous upstream documentation
+ </li>
+ <li>
+ <span class="package">linux-manual-</span><var>upstream</var> -
+ the internal API, based on structured comments
+ </li>
+ <li>
+ <span class="package">debian-kernel-handbook</span> -
+ Debian-specific information; currently also Linux-specific but
+ could cover other kernels
+ </li>
+ <li>
+ <a href="http://wiki.debian.org/DebianKernel">http://wiki.debian.org/DebianKernel</a>
+ - wiki index page
+ </li>
+ </ul>
</div>
<div class="slide">
Redistribution is free but has to include this notice.
-->
<ul>
- <li>Modified by me to add Debian open-ND logo</li>
+ <li>Modified by Ben to add Debian open-ND logo</li>
</ul>
</li>
<li>
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-->
</li>
- <li>
- DebConf 11 logo © Aurélio A. Heckert.
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- </ul>
- </li>
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