X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=index.html;h=5d2af31de0ad582b832365b1f6b764112937d3cc;hb=1d2dac934db82d3873b14910d0a9a688e061de29;hp=9d3e258a406cd81ae208f8b47ff57719475fe2f5;hpb=a9b8623650fe04abfd3864b2c039073b253c635f;p=kernel-news-talk.git

diff --git a/index.html b/index.html
index 9d3e258..5d2af31 100644
--- a/index.html
+++ b/index.html
@@ -50,6 +50,7 @@
 <div class="slide">
 <h1>What's new in the Linux kernel</h1>
 <object data="tux-debian.svg" width="35%" align="right"></object>
+<h2>and what's missing in Debian</h2>
 <h3>Ben&nbsp;Hutchings</h3>
 </div>
 
@@ -61,20 +62,18 @@
     </li>
     <li>
       Regular Linux contributor in both roles since 2008
-      <ul>
-	<li>
-	  Maintaining a net driver in my day job, plus core networking
-	  and PCI code as necessary
-	</li>
-	<li>
-	  Debian kernel team member, now doing most of the unstable
-	  maintenance aside from ports
-	</li>
-	<li>
-	  Maintaining Linux 3.2.<var>y</var> stable update series on
-	  kernel.org
-	</li>
-      </ul>
+    </li>
+    <li>
+      Maintaining a net driver in my day job, plus core networking
+      and PCI code as necessary
+    </li>
+    <li>
+      Debian kernel team member, now doing most of the unstable
+      maintenance aside from ports
+    </li>
+    <li>
+      Maintaining Linux 3.2.<var>y</var> stable update series on
+      kernel.org
     </li>
   </ul>
 </div>
@@ -85,6 +84,12 @@
     <li>
       Linux is released about 5 times a year (plus stable updates
       every week or two)
+      <ul>
+	<li>
+	  ...though some features aren't ready to use when they firat
+	  appear in a release
+	</li>
+      </ul>
     </li>
     <li>
       For 'wheezy' we chose to freeze with Linux 3.2, which was
@@ -111,7 +116,7 @@
       needs new tools - <tt>teamd</tt>, <tt>teamnl</tt>, etc.
     </li>
     <li>
-      Want to make it work?  See
+      Make it work: see
       <a href="http://bugs.debian.org/695850">http://bugs.debian.org/695850</a>
     </li>
   </ul>
@@ -136,9 +141,9 @@
       configuration
     </li>
     <li>
-      Want to make it work?  See
+      Make it work: see
       <a href="https://lwn.net/Articles/454795/">https://lwn.net/Articles/454795/</a>
-      and mail debian-kernel
+      and send proposal to debian-kernel
     </li>
   </ul>
 </div>
@@ -159,8 +164,115 @@
       are disabled for now
     </li>
     <li>
-      Want to make it work?  Join the X Strike Force and package the
-      new X drivers
+      Make it work: join the X Strike Force and package the new X
+      drivers
+    </li>
+  </ul>
+</div>
+
+<div class="slide">
+  <h1>Module signing [3.7]</h1>
+  <ul class="incremental">
+    <li>
+      Kernel modules can be signed at build time, and the kernel
+      configured to refuse loading unsigned modules
+    </li>
+    <li>
+      Necessary but not sufficient to implement Secure Boot -
+      we would also need signed kernel images and some other
+      restrictions when booted in this mode
+    </li>
+    <li>
+      Make Secure Boot work: come to the meeting on Tuesday
+    </li>
+  </ul>
+</div>
+
+<div class="slide">
+  <h1>More support for discard</h1>
+  <ul class="incremental">
+    <li>
+      Flash devices (and thin-provisioned SANs) can be more efficient
+      if the filesystem 'discards' unused disk space
+    </li>
+    <li>
+      Requires support in hardware, driver, filesystem and any layered
+      device drivers - e.g. LVM, RAID (added in 3.7)
+    </li>
+    <li>
+      Must be explicitly enabled, but d-i doesn't do this by default
+    </li>
+    <li>
+      Make it work: fix <a href="http://bugs.debian.org/690977">http://bugs.debian.org/690977</a>
+    </li>
+  </ul>
+</div>
+
+<div class="slide">
+  <h1>More support for containers</h1>
+  <ul class="incremental">
+    <li>
+      Containers are lightweight VMs - run on the same kernel as host,
+      but with limited privileges and resources
+    </li>
+    <li>
+      Previously done by OpenVZ and Linux-VServer; gradually being
+      reimplemented upstream
+    </li>
+    <li>
+      User namespaces (added in 3.7) support the existence of a
+      <tt>root</tt> user inside the container that is unprivileged
+      outside the container
+    </li>
+    <li>
+      Currently somewhat experimental, and requires filesystem
+      changes which haven't been done for XFS
+    </li>
+    <li>
+      Make user namespaces work: send patches to upstream XFS
+      developers (this one's hard)
+    </li>
+  </ul>
+</div>
+
+<div class="slide">
+  <h1>bcache [3.10]</h1>
+  <ul class="incremental">
+    <li>
+      Turns a fast block device into a cache for a larger, slower
+      device (see also: dm-cache, EnhanceIO)
+    </li>
+    <li>
+      Needs its own set of userland tools
+    </li>
+    <li>
+      Make it work:
+      see <a href="http://bugs.debian.org/708132">http://bugs.debian.org/708132</a>
+      (maybe just needs a sponsor)
+    </li>
+  </ul>
+</div>
+
+<div class="slide">
+  <h1>ARMv7 multiplatform</h1>
+  <ul class="incremental">
+    <li>
+      Until recently, each ARM kernel image could support only a small
+      set of different chips
+    </li>
+    <li>
+      Debian 'armmp' kernel now supports ARMv7 SoCs from Calxeda,
+      Freescale and Marvell, and others should be supported soon
+    </li>
+    <li>
+      Debian could run on a much larger range of ARM hardware - but we
+      need installer and boot loader support to make this easy
+    </li>
+    <li>
+      Make it work: join the ARM porters and d-i team
+    </li>
+    <li>
+      Make the GPUs work: join a reverse-engineering project
     </li>
   </ul>
 </div>