From: "Guillaume Boissiere" <boissiere@adiglobal.com>
To: linux-kernel@vger.kernel.org
Date: Wed, 23 Oct 2002 01:53:11 -0400
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Subject: [STATUS 2.5]  October 23, 2002
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Only a couple days to go before feature freeze.
And many changes since last week... due in large part 
to recent discussions about what "mergeable" means.

The Web version is as usual at:
  http://www.kernelnewbies.org/status/

The list should map pretty closely to the latest 
Crunch Time list sent out by Rob.

Enjoy!

-- Guillaume


------------------------------------------
Linux Kernel 2.5 Status - October 23rd, 2002
(Latest kernel release is 2.5.44)

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

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 2.5.5  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+  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 2.5.35  Serial ATA support  (Andre Hedrick)  
o in 2.5.36  Add XFS (A journaling filesystem from SGI)  (XFS team)  
o in 2.5.37  Remove the global tasklist  (Ingo Molnar, William Lee Irwin)  
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 2.5.40  Parallelizing page replacement  (Andrew Morton, Momchil Velikov, Dave 
Hansen, William Lee Irwin)  
o in 2.5.42  Improved i2o (Intelligent Input/Ouput) layer  (Alan Cox)  
o in 2.5.42  Remove the 2TB block device limit  (Peter Chubb)  
o in 2.5.42  Add new CIFS (Common Internet File System)  (Steve French)  
o in 2.5.42  ext2/ext3 large directory support: HTree index  (Daniel Phillips, 
Christopher Li, Andrew Morton, Ted Ts'o)  
o in 2.5.43  Add support for NFS v4  (NFS v4 team, Trond Myklebust, Neil Brown)  
o in 2.5.43  Read-Copy Update (RCU) Mutual Exclusion  (Dipankar Sarma, Rusty 
Russell, Andrea Arcangeli, LSE Team)  
o in 2.5.43  Add OProfile, a low-overhead profiler  (John Levon)  
o in 2.5.44  x86 BIOS Enhanced Disk Device (EDD) polling  (Matt Domsch)  
o in 2.5.44  Plug'N Play Layer Rewrite  (Adam Belay)  

o in -ac  Device mapper for Logical Volume Manager (LVM2)  (Alasdair Kergon, Patrick 
Caulfield, Joe Thornber)  
o in -ac  Digital Video Broadcasting (DVB) layer  (LinuxTV team)  
o in -mm  Page table sharing  (Daniel Phillips, Dave McCracken)  
o in -mm  Extended Attributes and ACLs for ext2/ext3  (Ted Ts'o)  
o in -mm  Per-cpu hot & cold page lists  (Andrew Morton, Martin Bligh)  
 
o Ready  Build option for Linux Trace Toolkit (LTT)  (Karim Yaghmour)  
o Ready  Dynamic Probes (kprobes)  (Vamsi Krishna, dprobes team)  
o Ready  High resolution timers  (George Anzinger, etc.)  
o Ready  EVMS (Enterprise Volume Management System)  (EVMS team)  
o Ready  Linux Kernel Crash Dumps  (Matt Robinson, LKCD team)  
o Ready  Rewrite of the console layer  (James Simmons)  
o Ready  Zerocopy NFS  (Hirokazu Takahashi)  
o Ready  Kexec, syscall to load kernel from kernel  (Eric Biederman)  
o Ready  New Linux configuration system  (Roman Zippel)  
o Ready  In-kernel module loader  (Rusty Russell)  
o Ready  Unified boot/parameter support  (Rusty Russell)  
o Ready  MMU-less processor support (ucLinux)  (Greg Ungerer)  
o Ready  Support insane number of groups  (Tim Hockin)  
o Ready  Better I/O performance with epoll  (Davide Libenzi)  
o Ready  NUMA aware scheduler extensions  (Erich Focht, Michael Hohnbaum)  
o Ready  Replace initrd by initramfs  (H. Peter Anvin, Al Viro)  
 
o Beta  Worldclass support for IPv6  (Alexey Kuznetsov, Dave Miller, Jun Murai, 
Yoshifuji Hideaki, USAGI team)  
o Beta  CryptoAPI  (James Morris)  
 
o Alpha  Basic NUMA API  (Matt Dobson)  
o Alpha  Remove waitqueue heads from kernel structures  (William Lee Irwin)  
o Alpha  Reiserfs v4  (Reiserfs team)  
o Alpha  NUMA aware slab allocator  (Manfred Spraul, Martin Bligh)  
o Alpha  IPsec support  (Alexey Kuznetsov, Dave Miller, USAGI team)  
 
o Started  SCSI multipath IO (with NUMA support)  (Patrick Mansfield, Mike Anderson) 
 
o Started  32bit dev_t  (?)  

o Post-freeze  Change all drivers to new driver model  (All maintainers)  
o Post-freeze  Fix device naming issues  (Patrick Mochel, Greg Kroah-Hartman)  
o Post-freeze  Better event logging for enterprise systems  (Larry Kessler, evlog 
team)  
o Post-freeze  Page table reclamation  (William Lee Irwin, Rik Van Riel)  
o Post-freeze  UMSDOS (Unix under MS-DOS) Rewrite  (Al Viro)  
o Post-freeze  USB gadget support  (Stuart Lynne, Greg Kroah-Hartman)  
o Post-freeze  Overhaul PCMCIA support  (David Woodhouse, David Hinds)  
o Post-freeze  InfiniBand support  (InfiniBand team)  
o Post-freeze  Per-mountpoint read-only, union-mounts, unionfs  (Al Viro)  
o Post-freeze  More complete NetBEUI stack  (Arnaldo Carvalho de Melo, from Procom 
donated code)  
o Post-freeze  New mount API  (Al Viro)  
o Post-freeze  Add thrashing control  (Rik van Riel)  
o Post-freeze  Remove all hardwired drivers from kernel  (Alan Cox, etc.)  
o Post-freeze  Improved AppleTalk stack  (Arnaldo Carvalho de Melo)  
o Post-freeze  ext2/ext3 online resize support  (Andreas Dilger)  
o Post-freeze  New lightweight library (klibc)  (H. Peter Anvin)  
o Post-freeze  UDF Write support for CD-R/RW (packet writing)  (Jens Axboe, Peter 
Osterlund)  
o Post-freeze  Scalable Statistics Counter  (Ravikiran Thirumalai)  
o Post-freeze  Add hardware sensors drivers  (lm_sensors 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 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 2.5.30  Remove khttpd  (Christoph Hellwig)  
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 in 2.5.43  Remove kiobufs  (Andrew Morton)  
 
o in -mm  Avoid dcache_lock while path walking  (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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