[STATUS 2.5] July 17, 2002

From: Guillaume Boissiere (boissiere@adiglobal.com)
Date: Wed Jul 17 2002 - 00:24:44 EST

New week, new status update...
The details are at http://www.kernelnewbies.org/status/

With the code freeze date approaching soon, it is obvious that many
of these projects will not get merged in the next 3 months.
What would you rather me do? Keep them in here just for reference,
mark them as post-code freeze or just delete them?

Let me know what you think,

-- Guillaume

Linux Kernel 2.5 Status - July 17th, 2002
(Latest kernel release is 2.5.26)


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 rewrite (Martin Dalecki)
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
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
o in 2.5.7 Video for Linux (V4L) redesign (Gerd Knorr)
o in 2.5.7 Futexes (Fast Lightweight Userspace Semaphores) (Rusty Russell,
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
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 2.5.23 More complete IEEE 802.2 stack (Arnaldo, Jay
Schullist, from Procom donated code)
o in 2.5.23+ Hotplug CPU support (Rusty Russell)
* in 2.5.25 Faster internal kernel clock frequency (Linus Torvalds)

o in -dj Rewrite of the console layer (James Simmons)
o in -dj New MTRR (Memory Type Range Register) driver (Patrick Mochel)
o in -dj Add support for CPU clock/voltage scaling (Erik Mouw,
Dave Jones, Russell King, Arjan van de Ven)
o in -ac Strict address space accounting (Alan Cox)
o in -ac PCMCIA Zoom video support (Alan Cox)
o in -ac Improved i2o (Intelligent Input/Ouput) layer (Alan Cox)

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 Ready Add hardware sensors drivers (lm_sensors
o Ready New VM with reverse mappings (Rik van Riel)

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 Fix long-held locks for low scheduling latency (Andrew Morton,
Robert Love, etc.)
o Beta Add Linux Security Module (LSM) (LSM team)
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 Page table sharing (Daniel
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 Asynchronous IO (aio) support (Ben LaHaise)
o Beta Direct pagecache <-> BIO disk I/O (Andrew Morton)
o Beta More complete NetBEUI stack (Arnaldo
Carvalho de Melo, from Procom donated code)
o Beta Better event logging for enterprise systems (Larry Kessler,
evlog team)
* Beta High resolution timers (George
Anzinger, etc.)

o Alpha Better support of high-end NUMA machines (NUMA team)
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
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
o Alpha Change all drivers to new driver model (All
o Alpha Remove the 2TB block device limit (Peter Chubb)
o Alpha SCTP (Stream Control Transmission Protocol) (lksctp team)

o Started Overhaul PCMCIA support (David
Woodhouse, David Hinds)
o Started Reiserfs v4 (Reiserfs team)
o Started Serial ATA support (Andre Hedrick)
o Started InfiniBand support (InfiniBand
o Started Fix device naming issues (Patrick
Mochel, Greg Kroah-Hartman)

o Draft #2 New lightweight library (klibc) (Greg Kroah-
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 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 2.5.21 Split up x86 setup.c into managable pieces (Patrick Mochel)
o in 2.5.23+ Major MD tool (RAID 5) cleanup (Neil Brown)

o Ready Switch to ->get_super() for file_system_type (Al Viro)

o Beta file.h and INIT_TASK (Benjamin
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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