X-Git-Url: https://git.decadent.org.uk/gitweb/?p=kernel-news-talk.git;a=blobdiff_plain;f=index.html;h=37a37c89cfac9ca1b45b123a43ea0ab102e757fa;hp=48ec2dfeaf655f7836f0f08acf730cdb3e527185;hb=2891ac76b197ab6baa5e14f42d62359716bfec94;hpb=65722b1dae44dd728d5c627b638d4d04ca541bee
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-
User namespaces [3.7]
+
More support for containers
-
- One of the last missing pieces for OpenVZ-like containers
+ Containers are lightweight VMs - run on the same kernel as host,
+ but with limited privileges and resources
-
- Each user namespace has its own root user with
- privileges over the users and processes in that namespace - but
- not the whole system
+ Previously done by OpenVZ and Linux-VServer; gradually being
+ reimplemented upstream
+
+ -
+ User namespaces (added in 3.7) support the existence of a
+ root user inside the container that is unprivileged
+ outside the container
-
Currently somewhat experimental, and requires filesystem
changes which haven't been done for XFS
-
- Make it work: send patches to upstream XFS developers (this
- one's hard)
+ Make user namespaces work: send patches to upstream XFS
+ developers (this one's hard)
+
+
+
+
+
+
bcache [3.10]
+
+ -
+ Turns a fast block device into a cache for a larger, slower
+ device (see also: dm-cache, EnhanceIO)
+
+ -
+ Needs its own set of userland tools
+
+ -
+ Make it work:
+ see http://bugs.debian.org/708132
+ (maybe just needs a sponsor)
+
+
+
+
+
+
ARMv7 multiplatform
+
+ -
+ Until recently, each ARM kernel image could support only a small
+ set of different chips
+
+ -
+ Debian 'armmp' kernel now supports ARMv7 SoCs from Calxeda,
+ Freescale and Marvell, and others should be supported soon
+
+ -
+ Debian could run on a much larger range of ARM hardware - but we
+ need installer and boot loader support to make this easy
+
+ -
+ Make it work: join the ARM porters and d-i team
+
+ -
+ Make the GPUs work: join a reverse-engineering project