[STATUS 2.5] October 9, 2002

From: Guillaume Boissiere (boissiere@adiglobal.com)
Date: Wed Oct 09 2002 - 11:05:28 EST

The latest 2.5 status update is available at

Only 3 weeks left till Halloween, and still way to many
items left on the list to be merged in that timeframe.

Come on, be real and tell me what to remove! :-)

-- Guillaume

Linux Kernel 2.5 Status - October 9th, 2002
(Latest kernel release is 2.5.41)

Items in bold have changed since last week.
Items in grey are post Halloween (feature freeze).

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 2.5.5 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 2.5.6 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 2.5.9 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 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)
o in 2.5.25 Faster internal kernel clock frequency (Linus Torvalds)
o in 2.5.26 Direct pagecache <-> BIO disk I/O (Andrew Morton)
o in 2.5.27+ New VM with reverse mappings (Rik van Riel)
o in 2.5.28+ Serial driver restructure (Russell King)
o in 2.5.28 Remove the "Big IRQ lock" (Ingo Molnar)
o in 2.5.29+ Thread-Local Storage (TLS) support (Ingo Molnar)
o in 2.5.29+ Add Linux Security Module (LSM) (LSM team)
o in 2.5.29+ Strict address space accounting (Alan Cox)
o in 2.5.31+ Disk description cleanups (Al Viro)
o in 2.5.31 Support insane number of processes (Linus Torvalds)
o in 2.5.32 New MTRR (Memory Type Range Register) driver (Patrick Mochel)
o in 2.5.32+ Porting all input devices over to input API (Vojtech Pavlik, James Simmons)
o in 2.5.32+ Asynchronous IO (aio) support (Ben LaHaise)
o in 2.5.32+ Add support for NFS v4 (NFS v4 team)
o in 2.5.32+ Improved POSIX threading support (Ingo Molnar)
o in 2.5.33 SCTP (Stream Control Transmission Protocol) (lksctp team)
o in 2.5.33 TCP segmentation offload (Alexey Kuznetsov)
o in 2.5.34 discontigmem support (ia32) (Pat Gaughen, Martin Bligh, Jack Steiner, Tony Luck)
o in 2.5.34 POSIX threading support for signals (Ingo Molnar)
o in 2.5.35 Add User-Mode Linux (UML) (Jeff Dike)
o in 2.5.36 Add XFS (A journaling filesystem from SGI) (XFS team)
o in 2.5.39 New IO scheduler (Jens Axboe)
o in 2.5.40 Add support for CPU clock/voltage scaling (Dominik Brodowski, Erik Mouw, Dave Jones, Russell King, Arjan van
de Ven)
o in 2.5.40 NUMA topology support (Matt Dobson)
o in 2.5.42 Improved i2o (Intelligent Input/Ouput) layer (Alan Cox)

o in -dj Rewrite of the console layer (James Simmons)
o in -ac PCMCIA Zoom video support (Alan Cox)
o in -mm Read-Copy Update (RCU) Mutual Exclusion (Dipankar Sarma, Rusty Russell, Andrea Arcangeli, LSE Team)
o in -mm VM large page support (Many people)

o Ready Build option for Linux Trace Toolkit (LTT) (Karim Yaghmour)
o Ready Remove the 2TB block device limit (Peter Chubb)
o Ready Serial ATA support (Andre Hedrick)
o Ready Dynamic Probes (dprobes team)
o Ready Zerocopy NFS (Hirokazu Takahashi)
o Ready High resolution timers (George Anzinger, etc.)
o Ready ext2/ext3 large directory support: HTree index (Daniel Phillips, Christopher Li, Andrew Morton, Ted Ts'o)
o Ready EVMS (Enterprise Volume Management System) (EVMS team)
o Ready Add new CIFS (Common Internet File System) (Steve French)

o Beta Device mapper for Logical Volume Manager (LVM2) (LVM team)
o Beta Full compliance with IPv6 (Alexey Kuznetsov, Jun Murai, Yoshifuji Hideaki, USAGI team)
o Beta Page table sharing (Daniel Phillips, Dave McCracken)
o Beta ext2/ext3 online resize support (Andreas Dilger)
o Beta UDF Write support for CD-R/RW (packet writing) (Jens Axboe, Peter Osterlund)
o Beta Better event logging for enterprise systems (Larry Kessler, evlog team)
o Beta Add hardware sensors drivers (lm_sensors team)
o Beta New Linux configuration system (Roman Zippel)
o Beta Per-mountpoint read-only, union-mounts, unionfs (Al Viro)
o Beta More complete NetBEUI stack (Arnaldo Carvalho de Melo, from Procom donated code)
o Beta Plug'N Play Layer Rewrite (Adam Belay)

o Alpha Scalable Statistics Counter (Ravikiran Thirumalai)
o Alpha Linux Kernel Crash Dumps (Matt Robinson, LKCD team)
o Alpha Change all drivers to new driver model (All maintainers)
o Alpha NUMA aware scheduler extensions (Erich Focht)
o Alpha Basic NUMA API (Matt Dobson)
o Alpha Non-linear memory support (Martin Bligh, Daniel Phillips)
o Alpha Remove waitqueue heads from kernel structures (William Lee Irwin)
o Alpha New lightweight library (klibc) (H. Peter Anvin)
o Alpha Reiserfs v4 (Reiserfs team)
o Alpha Replace initrd by initramfs (H. Peter Anvin, Al Viro)
o Alpha Fix device naming issues (Patrick Mochel, Greg Kroah-Hartman)
o Alpha Page table reclamation (William Lee Irwin, Rik Van Riel)
o Alpha UMSDOS (Unix under MS-DOS) Rewrite (Al Viro)
o Alpha USB gadget support (Stuart Lynne, Greg Kroah-Hartman)

o Started Make AppleTalk use shared skbs and refcounting (Arnaldo Carvalho de Melo)
o Started NUMA aware slab allocator (Martin Bligh)
o Started x86 BIOS Enhanced Disk Device (EDD) polling (Matt Domsch)
o Started SCSI multipath IO (with NUMA support) (Patrick Mansfield, Mike Anderson)
o Started Overhaul PCMCIA support (David Woodhouse, David Hinds)
o Started InfiniBand support (InfiniBand team)

o Planning New mount API (Al Viro)
o Planning Add thrashing control (Rik van Riel)
o Planning Remove all hardwired drivers from kernel (Alan Cox, etc.)

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 in 2.5.31 Rework datalink protocols to not use cli/sti (Arnaldo Carvalho de Melo)
o in 2.5.31 Remove incomplete SPX network stack (Arnaldo Carvalho de Melo)

o Beta Remove dcache_lock (Maneesh Soni, IBM team)

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 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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