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Subject[STATUS 2.5] February 6, 2002
The latest 2.5 status list for this week is available at the usual 
URL with all the good stuff (URL link to each project, changes
since last week in bold, etc.)

http://kernelnewbies.org/status/

Worthy of note for filesystem junkies is the inclusion of Access
Control List (ACL) support in the Virtual File System layer, which
should pave the way for XFS, better NTFS and ext2/ext3 ACL support.

Equally exciting is Linus' new use of BitKeeper. This has the very
nice side effect of generating big fat changelogs (see the latest
18k Changelog for 2.5.4-pre1) that should make it a lot easier
to do regression testing and track down bugs to individual patches.

As usual, please send corrections and updates to me.
Enjoy!

-- Guillaume


-------------------------------------------------------
Kernel 2.5 status - February 6th, 2002
(Latest kernel release is 2.5.4pre1)


Features:

o Merged New scheduler for improved scalability (Ingo Molnar, Davide Libenzi)
o Merged Rewrite of the block IO (bio) layer (Jens Axboe)
o Merged New kernel device structure (kdev_t) (Linus Torvalds, etc.)
o Merged Initial support for USB 2.0 (David Brownell, Greg Kroah-
Hartman, etc.)
o Merged Per-process namespaces, late-boot cleanups (Al Viro, Manfred Spraul)
o Merged IDE layer update (Andre Hedrick)
o Merged New driver API for Wireless Extensions (1/2) (Jean Tourrilhes)
o Merged Generic ACL (Access Control List) support (Nathan Scott)
o Merged Support reiserfs external journal (Reiserfs team)
o Merged New driver model & unified device tree (Patrick Mochel)

o Pending Finalize new device naming convention (Linus Torvalds)
o in -dj Porting all input devices over to input API (Vojtech Pavlik, James Simmons)
* in -ac 32bit UID quota support (?)

o Ready Add User-Mode Linux (UML) (Jeff Dike)
o Ready HDLC (High-level Data Link Control) update (Krzysztof Halasa)
o Ready Add ALSA (Advanced Linux Sound Architecture) (ALSA team)
o Ready Add hardware sensors drivers (lm_sensors team)
o Ready Add preempt kernel option (Robert Love)
o Ready New kernel config system: CML2 (Eric Raymond)
o Ready Add JFS (Journaling FileSystem from IBM) (JFS team)

o <1 month New kernel build system (kbuild 2.5) (Keith Owens)

o Beta Add support for CPU clock/voltage scaling (Erik Mouw, Dave Jones,
Russell King, Arjan van de Ven)
o Beta Serial driver restructure (Russell King)
o Beta New IO scheduler (Jens Axboe)
o Beta NAPI Network interrupt mitigation (Jamal Hadi Salim, Robert
Olsson, Alexey Kuznetsov)
o Beta Add XFS (A journaling filesystem from SGI) (XFS team)
o Beta New VM with reverse mappings (Rik van Riel)
o Beta Add resheduling points to remove latency (Andrew Morton)
o Beta Build option for Linux Trace Toolkit (LTT) (Karim Yaghmour)
o Beta Better event logging for enterprise systems (evlog team)
o Beta Add Linux Security Module (LSM) (LSM team)
o Beta Hotplug CPU support (Rusty Russell)
o Beta Per-mountpoint read-only, union-mounts, unionfs (Al Viro)
o Beta EVMS (Enterprise Volume Management System) (EVMS team)
o Beta LVM (Logical Volume Manager) v2.0 (Heintz Mauelshagen, Andreas
Dilger, LVM team)
o Beta Linux booting ELF images (Eric Biederman)
o Beta First pass at LinuxBIOS support (Eric Biederman)
o Beta Read-Copy Update Mutual Exclusion (Dipankar Sarma, Rusty
Russell, Ardrea Arcangeli, LSE Team)
* Beta Dynamic Probes (Suparna Bhattacharya, dprobes
team)

o Alpha Better support of high-end NUMA machines (NUMA team)
o Alpha Add Asynchronous IO (aio) support (Ben LaHaise)
o Alpha Overhaul PCMCIA support (David Woodhouse, David Hinds)
o Alpha Replace old NTFS driver with NTFS TNG driver (Anton Altaparmakov)
o Alpha More complete IEEE 802.2 stack (Arnaldo, Jay Schullist, from
Procom donated code)
o Alpha Full compliance with IPv6 (Alexey Kuznetzov, Jun Murai,
Yoshifuji Hideaki, USAGI team)
o Alpha UMSDOS (Unix under MS-DOS) Rewrite (Al Viro)
o Alpha Scalable CPU bitmaps (Russ Weight)
* Alpha Scalable Statistics Counter (Ravikiran Thirumalai)
* Alpha Linux Kernel Crash Dumps (Matt Robinson, LKCD team)

o Started Rewrite of the framebuffer layer (James Simmons)
o Started Rewrite of the console layer (James Simmons)
o Started More complete NetBEUI stack (Arnaldo Carvalho de Melo,
from Procom donated code)
o Started Remove use of the BKL (Big Kernel Lock) (Alan Cox, Robert Love, Neil
Brown, etc.)
o Started Change all drivers to new driver model (All maintainers)
o Started Reiserfs v4 (Reiserfs team)
o Started Move ISDN4Linux to CAPI based interface (ISDN4Linux team)

o Draft #2 New lightweight library (klibc) (Greg Kroah-Hartman)
o Draft #3 Replace initrd by initramfs (H. Peter Anvin, Al Viro)
o Planning Add thrashing control (Rik van Riel)
o Planning Remove all hardwired drivers from kernel (Alan Cox, etc.)
o Planning Generic parameter/command line interface (Keith Owens)
o Planning New mount API (Al Viro)
o Planning New MTRR (Memory Type Range Register) driver (Dave Jones)


Cleanups:

o Merged Break Configure.help into multiple files (Linus Torvalds)

o Ready Per network protocol slabcache & sock.h (Arnaldo Carvalho de Melo)
o Ready Switch to ->get_super() for file_system_type (Al Viro)
o Ready ->getattr() ->setattr() ->permission() changes (Al Viro)

o Beta file.h and INIT_TASK (Benjamin LaHaise)
o Beta Remove dcache_lock (Maneesh Soni, IBM team)
o Beta Proper UFS fixes, ext2 and locking cleanups (Al Viro)
o Beta Lifting limitations on mount(2) (Al Viro)

o Started Per filesystem slabcache & fs.h (Daniel Phillips, Jeff Garzik)
o Started Killing kdev_t for block devices (Al Viro)
o Started Split up x86 setup.c into managable pieces (Dave Jones, Randy Dunlap)
o Started Reorder x86 initialization (Dave Jones, Randy Dunlap)

Have some free time and want to help? Check out the Kernel Janitor TO DO list for a list
of
source code cleanups you can work on. A great place to start learning more about kernel
internals!



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