2.5 Kernel Status Summary
[Posted June 5, 2002 by corbet]
From: "Guillaume Boissiere" <boissiere@adiglobal.com>
To: linux-kernel@vger.kernel.org
Subject: [STATUS 2.5] June 5, 2002
Date: Tue, 4 Jun 2002 23:06:46 -0400
The latest kernel status update in available at:
http://www.kernelnewbies.org/status/
This week, a new entry for the Serial ATA work being done
by Andre Hedrick and planned for Q3, as well as new URLs
for the device model and the cpufreq projects.
Also, a big thanks to everyone who has contributed feedback
to make the status pages better in the last couple months,
as well as the nice folks at kernelnewbies.org for providing
the hosting.
With more than 30,000 page views in May, it has become quite
popular in the Linux community and beyond -- one more reason
to make sure your project is accurately listed!
In short: feedback always welcome :-)
Enjoy!
-- Guillaume
-------------------------------------------
Kernel 2.5 status - June 5th, 2002
(Latest kernel release is 2.5.20)
Features:
Merged
o in 2.5.1+ Rewrite of the block IO (bio) layer (Jens Axboe)
o in 2.5.2 Initial support for USB 2.0 (David Brownell, Greg
Kroah-Hartman, etc.)
o in 2.5.2 Per-process namespaces, late-boot cleanups (Al Viro, Manfred
Spraul)
o in 2.5.2+ New scheduler for improved scalability (Ingo Molnar)
o in 2.5.2+ New kernel device structure (kdev_t) (Linus Torvalds, etc.)
o in 2.5.3 IDE layer update (Andre Hedrick)
o in 2.5.3 Support reiserfs external journal (Reiserfs team)
o in 2.5.3 Generic ACL (Access Control List) support (Nathan Scott)
o in 2.5.3 PnP BIOS driver (Alan Cox, Thomas Hood,
Dave Jones, etc.)
o in 2.5.3+ New driver model & unified device tree (Patrick Mochel)
o in 2.5.4 Add preempt kernel option (Robert Love,
MontaVista team)
o in 2.5.4 Support for Next Generation POSIX Threading (NGPT team)
o in 2.5.4+ Porting all input devices over to input API (Vojtech Pavlik, James
Simmons)
o in 2.5.5 Add ALSA (Advanced Linux Sound Architecture) (ALSA team)
o in 2.5.5 Pagetables in highmem support (Ingo Molnar, Arjan van
de Ven)
o in 2.5.5 New architecture: AMD 64-bit (x86-64) (Andi Kleen, x86-64
Linux team)
o in 2.5.5 New architecture: PowerPC 64-bit (ppc64) (Anton Blanchard, ppc64
team)
o in 2.5.5+ IDE subsystem major cleanup (Martin Dalecki,
Vojtech Pavlik)
o in 2.5.6 Add JFS (Journaling FileSystem from IBM) (JFS team)
o in 2.5.6 per_cpu infrastructure (Rusty Russell)
o in 2.5.6 HDLC (High-level Data Link Control) update (Krzysztof Halasa)
o in 2.5.6 smbfs Unicode and large file support (Urban Widmark)
o in 2.5.7 New driver API for Wireless Extensions (Jean Tourrilhes)
o in 2.5.7 Video for Linux (V4L) redesign (Gerd Knorr)
o in 2.5.7 Futexes (Fast Lightweight Userspace Semaphores) (Rusty Russell, etc.)
o in 2.5.7+ NAPI network interrupt mitigation (Jamal Hadi Salim,
Robert Olsson, Alexey Kuznetsov)
o in 2.5.7+ ACPI (Advanced Configuration & Power Interface) (Andy Grover, ACPI team)
o in 2.5.8 Syscall interface for CPU task affinity (Robert Love)
o in 2.5.8 Radix-tree pagecache (Momchil Velikov,
Christoph Hellwig)
o in 2.5.8+ Delayed disk block allocation (Andrew Morton)
o in 2.5.9 Smarter IRQ balancing (Ingo Molnar)
o in 2.5.11 Replace old NTFS driver with NTFS TNG driver (Anton Altaparmakov)
o in 2.5.11 Fast walk dcache (Hanna Linder)
o in 2.5.11+ Rewrite of the framebuffer layer (James Simmons)
o in 2.5.12+ Rewrite of the buffer layer (Andrew Morton)
o in 2.5.14 Support for IDE TCQ (Tagged Command Queueing) (Jens Axboe)
o in 2.5.14 Bluetooth support (no longer experimental!) (Maxim Krasnyansky,
Bluetooth team)
o in 2.5.17 New quota system supporting plugins (Jan Kara)
o in 2.5.17+ Move ISDN4Linux to CAPI based interface (Kai Germaschewski,
ISDN4Linux team)
o in 2.5.18 Software suspend (to disk & RAM) (Pavel Machek)
o in -dj Rewrite of the console layer (James Simmons)
o in -dj New MTRR (Memory Type Range Register) driver (Patrick Mochel)
o in -ac Strict address space accounting (Alan Cox)
o in -ac PCMCIA Zoom video support (Alan Cox)
o in -ac More complete NetBEUI stack (Arnaldo Carvalho de
Melo, from Procom donated code)
o in -ac More complete IEEE 802.2 stack (Arnaldo, Jay
Schullist, from Procom donated code)
o in -ac Add support for CPU clock/voltage scaling (Erik Mouw, Dave Jones,
Russell King, Arjan van de Ven)
o in -ac Improved i2o (Intelligent Input/Ouput) layer (Alan Cox)
o Ready Better event logging for enterprise systems (Larry Kessler, evlog
team)
o Ready Linux booting ELF images (Eric Biederman)
o Ready First pass at LinuxBIOS support (Eric Biederman)
o Ready Build option for Linux Trace Toolkit (LTT) (Karim Yaghmour)
o Ready New kernel build system (kbuild 2.5) (Keith Owens)
o Ready Read-Copy Update Mutual Exclusion (Dipankar Sarma, Rusty
Russell, Andrea Arcangeli, LSE Team)
o Ready USB gadget support (Stuart Lynne, Greg
Kroah-Hartman)
o Beta Serial driver restructure (Russell King)
o Beta New IO scheduler (Jens Axboe)
o Beta Add XFS (A journaling filesystem from SGI) (XFS team)
o Beta New VM with reverse mappings (Rik van Riel)
o Beta Fix long-held locks for low scheduling latency (Andrew Morton, Robert
Love, etc.)
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 (LVM team)
o Beta Dynamic Probes (Suparna Bhattacharya,
dprobes team)
o Beta Scalable CPU bitmasks (Russ Weight)
o Beta Page table sharing (Daniel Phillips)
o Beta ext2/ext3 online resize support (Andreas Dilger)
o Beta Add User-Mode Linux (UML) (Jeff Dike)
o Beta UDF Write support for CD-R/RW (packet writing) (Jens Axboe, Peter
Osterlund)
o Beta Add hardware sensors drivers (lm_sensors team)
o Beta New kernel config system: CML2 (Eric Raymond)
o Beta Asynchronous IO (aio) support (Ben LaHaise)
o Alpha Better support of high-end NUMA machines (NUMA team)
o Alpha Overhaul PCMCIA support (David Woodhouse, David
Hinds)
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 Statistics Counter (Ravikiran Thirumalai)
o Alpha Linux Kernel Crash Dumps (Matt Robinson, LKCD
team)
o Alpha Add support for NFS v4 (NFS v4 team)
o Alpha ext2/ext3 large directory support: HTree index (Daniel Phillips,
Christopher Li, Ted Ts'o)
o Alpha Remove use of the BKL (Big Kernel Lock) (Alan Cox, Robert Love,
Neil Brown, Dave Hansen, etc.)
o Alpha Zerocopy NFS (Hirokazu Takahashi)
o Started Change all drivers to new driver model (All maintainers)
o Started Reiserfs v4 (Reiserfs team)
o Started Direct pagecache <-> BIO disk I/O (Andrew Morton)
* Started Serial ATA support (Andre Hedrick)
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 Implement new device naming convention (Device naming team)
o Planning InfiniBand support (InfiniBand team)
Cleanups:
Merged
o in 2.5.3 Break Configure.help into multiple files (Linus Torvalds)
o in 2.5.3 Untangle sched.h & fs.h include dependancies (Dave Jones, Roman
Zippel)
o in 2.5.4 Per network protocol slabcache & sock.h (Arnaldo Carvalho de
Melo)
o in 2.5.4 Per filesystem slabcache & fs.h (Daniel Phillips, Jeff
Garzik, Al Viro)
o in 2.5.6 Killing kdev_t for block devices (Al Viro)
o in 2.5.18+ ->getattr() ->setattr() ->permission() changes (Al Viro)
o in -dj Split up x86 setup.c into managable pieces (Patrick Mochel)
o Ready Switch to ->get_super() for file_system_type (Al Viro)
o Beta file.h and INIT_TASK (Benjamin LaHaise)
o Beta Proper UFS fixes, ext2 and locking cleanups (Al Viro)
o Beta Lifting limitations on mount(2) (Al Viro)
o Beta Remove dcache_lock (Maneesh Soni, IBM team)
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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