From: "Guillaume Boissiere" <boissiere@adiglobal.com>
To: linux-kernel@vger.kernel.org
Date: Tue, 23 Jul 2002 22:40:16 -0400
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Subject: [STATUS 2.5]  July 24, 2002
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Many many changes this week, including the inclusion of the new 
virtual memory system using reverse mapping in 2.5.27.  

Also added better entries for all the NUMA work tentatively planned 
for inclusion in 2.6.  If you have not looked at the status list 
in a while, chances are you won't recognize it :-)

The latest status update is always available at 
                    http://kernelnewbies.org/status/
Enjoy! 

-- Guillaume

-----------------------------------
Linux Kernel 2.5 Status  -  July 24th, 2002
(Latest kernel release is 2.5.27)


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 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 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 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)
* in 2.5.28   Remove the "Big IRQ lock"                       (Ingo Molnar)

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       Read-Copy Update (RCU) Mutual Exclusion         (Dipankar Sarma, Rusty 
Russell, Andrea Arcangeli, LSE Team)
o Ready       Add hardware sensors drivers                    (lm_sensors team)
o Ready       Build option for Linux Trace Toolkit (LTT)      (Karim Yaghmour)

o Beta        New kernel build system (kbuild 2.5)            (Keith Owens)
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        Device mapper for Logical Volume Manager (LVM2) (LVM team)
o Beta        Dynamic Probes                                  (Suparna Bhattacharya, 
dprobes team)
o Beta        Page table sharing                              (Daniel Phillips, Dave 
McCracken)
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        More complete NetBEUI stack                     (Arnaldo Carvalho de Melo, 
from Procom donated code)
o Beta        Better event logging for enterprise systems     (Larry Kessler, evlog team)
o Beta        High resolution timers                          (George Anzinger, etc.)
* Beta        discontigmem support                            (Pat Gaughen, Jack Steiner, 
Tony Luck, etc.)

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 Alpha       Change all drivers to new driver model          (All maintainers)
o Alpha       Remove the 2TB block device limit               (Peter Chubb)
o Alpha       SCTP (Stream Control Transmission Protocol)     (lksctp team)
o Alpha       USB gadget support                              (Stuart Lynne, Greg Kroah-
Hartman)
* Alpha       NUMA aware scheduler extensions                 (Erich Focht)     
* Alpha       Basic NUMA API                                  (Matt Dobson)
* Alpha       NUMA topology support                           (Matt Dobson)
* Alpha       Non-linear memory support                       (Martin Bligh, Daniel 
Phillips)
* Alpha       Parallelizing page replacement                  (William Lee Irwin)
* Alpha       VM large page support                           (Simon Winwood, Hubertus 
Franke)
* Alpha       Remove waitqueue heads from kernel structures   (William Lee Irwin)
* Alpha       Remove the global tasklist                      (William Lee Irwin)


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 team)
o Started     Fix device naming issues                        (Patrick Mochel, Greg Kroah-
Hartman)
o Started     Replace initrd by initramfs                     (H. Peter Anvin, Al Viro)
* Started     Make AppleTalk use shared skbs and refcounting  (Arnaldo Carvalho de Melo)
* Started     NUMA aware multipath IO                         (Pat Mansfield, Mike Anderson)
* Started     NUMA aware slab allocator                       (Martin Bligh)

o Draft #2    New lightweight library (klibc)                 (Greg Kroah-Hartman)
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)


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 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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