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BRANCHES revision 1.226
      1 #	$NetBSD: BRANCHES,v 1.226 2007/12/09 22:04:06 jmcneill Exp $
      2 #
      3 # This file contains a list of branches that exist in the NetBSD CVS
      4 # tree and their current state.
      5 #
      6 # This list is necessarily incomplete.
      7 # 
      8 # Within reason, developers may create branch and version tags at any
      9 # time for any purpose.  To avoid name collisions, private tags should
     10 # have names which begin with the developer's NetBSD login name
     11 # followed by a - or _ character (e.g., thorpej_scsipi,
     12 # thorpej-signal)
     13 # 
     14 # Any branch or version tag not listed here should be assumed to be
     15 # private to the developer who created it.  It is inappropriate for
     16 # anyone other than that developer to commit, move tags, or otherwise
     17 # modify the contents of the branch.
     18 #
     19 # Please update this file when a new branch is ready for consumption
     20 # by folks other than the maintainer, or when the use or status of an
     21 # existing branch changes significantly.
     22 #
     23 # Format:
     24 #   Branch:	  name of branch
     25 #   Description:  Purpose and intention of the branch
     26 #   Status:	  Active/Terminated/Dormant
     27 #   Start Date:	  date first instantiated
     28 #   End Date:	  date it was Terminated/made_Dormant, if any
     29 #   Base Tag:	  netbsd-1-5-base, etc.
     30 #   Maintainer:	  Somebody to blame.
     31 #   Scope:	  Portion of the tree covered.
     32 #   Notes:	  Various other info, perhaps explanation of special tags,
     33 #		  who-may-commit policies, etc.
     34 #
     35 # There are four sections to this file:
     36 #   Release branches
     37 #   Individual developers' branches (Active/Dormant)
     38 #   Individual developers' branches (Terminated), and
     39 #   other
     40 #
     41 # Entries within each section should be alphabetized.
     42 #
     43 
     44 
     45 # Release branches:
     46 
     47 Branch:		comdex-fall-1999
     48 Description:	Special release branch for pre-1.5 release at
     49 		Fall 1999 COMDEX.
     50 Status:		Terminated
     51 Start Date:
     52 End Date:
     53 Base Tag:	comdex-fall-1999-base
     54 Maintainer:	?
     55 Scope:		Entire tree.
     56 Notes:
     57 
     58 Branch:		netbsd-0-9
     59 Description:	The NetBSD 0.9 release branch
     60 Status:		Terminated
     61 Start Date:
     62 End Date:
     63 Base Tag:	netbsd-0-9-base
     64 Maintainer:	Release Engineering <releng (a] NetBSD.org>
     65 Scope:		Entire tree.
     66 Notes:		Subsidiary tags of: netbsd-0-9-ALPHA, netbsd-0-9-ALPHA2,
     67 		netbsd-0-9-BETA, netbsd-0-9-RELEASE.
     68 		Commits restricted to release engineering.
     69 
     70 Branch:		netbsd-1-0
     71 Description:	The NetBSD 1.0 release branch
     72 Status:		Terminated
     73 Start Date:
     74 End Date:
     75 Base Tag:	netbsd-1-0-base
     76 Maintainer:	Release Engineering <releng (a] NetBSD.org>
     77 Scope:		Entire tree.
     78 Notes:
     79 		Commits restricted to release engineering.
     80 
     81 Branch:		netbsd-1-1
     82 Description:	The NetBSD 1.1 release branch
     83 Status:		Terminated
     84 Start Date:
     85 End Date:
     86 Base Tag:	netbsd-1-1-base
     87 Maintainer:	Release Engineering <releng (a] NetBSD.org>
     88 Scope:		Entire tree.
     89 Notes:
     90 		Commits restricted to release engineering.
     91 
     92 Branch:		netbsd-1-2
     93 Description:	The NetBSD 1.2 release branch
     94 Status:		Terminated
     95 Start Date:
     96 End Date:
     97 Base Tag:	netbsd-1-2-base
     98 Maintainer:	Release Engineering <releng (a] NetBSD.org>
     99 Scope:		Entire tree.
    100 Notes:
    101 		Commits restricted to release engineering.
    102 
    103 Branch:		netbsd-1-3
    104 Description:	The NetBSD 1.3 release branch
    105 Status:		Terminated
    106 Start Date:
    107 End Date:
    108 Base Tag:	netbsd-1-3-base
    109 Maintainer:	Release Engineering <releng (a] NetBSD.org>
    110 Scope:		Entire tree.
    111 Notes:
    112 		Commits restricted to release engineering.
    113 
    114 Branch:		netbsd-1-4
    115 Description:	The NetBSD 1.4 release branch
    116 Status:		Terminated
    117 Start Date:	1 Apr 2000
    118 End Date:
    119 Base Tag:	netbsd-1-4-base
    120 Maintainer:	1.4 Release Engineering <releng-1-4 (a] NetBSD.org>
    121 Scope:		Entire tree.
    122 Notes:
    123 		Commits restricted to release engineering.
    124 
    125 Branch:		netbsd-1-5
    126 Description:	The NetBSD 1.5 release branch
    127 Status:		Terminated
    128 Start Date:	20 Jun 2000
    129 End Date:	26 Jan 2005
    130 Base Tag:	netbsd-1-5-base
    131 Maintainer:	1.5 Release Engineering <releng-1-5 (a] NetBSD.org>
    132 Scope:		Entire tree.
    133 Notes:
    134 		Commits restricted to release engineering.
    135 
    136 Branch:		netbsd-1-6
    137 Description:	The NetBSD 1.6 release branch
    138 Status:		Terminated
    139 Start Date:	22 May 2002
    140 End Date:
    141 Base Tag:	netbsd-1-6-base
    142 Maintainer:	1.6 Release Engineering <releng-1-6 (a] NetBSD.org>
    143 Scope:		Entire tree.
    144 Notes:
    145 		Commits restricted to Release Engineering.
    146 
    147 Branch:		netbsd-2
    148 Description:    The NetBSD 2 release branch
    149 Status:		Active
    150 Start Date:	23 Dec 2004
    151 End Date:
    152 Base Tag:	netbsd-2-base
    153 Maintainer:	2 Release Engineering <releng-2 (a] NetBSD.org>
    154 Scope:		Entire tree. (src + xsrc)
    155 Notes:
    156 		Commits restricted to Release Engineering.
    157 
    158 Branch:		netbsd-2-0
    159 Description:	Originally the NetBSD 2.0 release branch and now the branch 
    160 		tracking security/critical fixes for the NetBSD 2.0 series
    161 Status:		Active
    162 Start Date:	28 Mar 2004 and changed for security/critical function on
    163        		23 Dec 2004
    164 End Date:
    165 Base Tag:	netbsd-2-0-base
    166 Maintainer:	2.0 Release Engineering <releng-2-0 (a] NetBSD.org>
    167 Scope:		Entire tree. (src + xsrc)
    168 Notes:		Branch was re-purposed to security/critical change function
    169 		once 2.0 released. See netbsd-2 for current branch to track
    170 		NetBSD 2 tree.
    171 		Commits restricted to Release Engineering.
    172 
    173 Branch:		netbsd-2-1
    174 Description:	Tracking security/critical fixes for NetBSD 2.1
    175 Status:		Active
    176 Start Date:     26 Oct 2005 
    177 End Date:
    178 Base Tag:	netbsd-2-1-RELEASE
    179 Maintainer:	2 Release Engineering <releng-2 (a] NetBSD.org>
    180 Scope:		Entire tree. (src + xsrc)
    181 Notes:		Branch contains only security/critical fixes to
    182 		NetBSD 2.1.  For new features, use netbsd-2 branch.
    183 		Commits restricted to Release Engineering.
    184 
    185 Branch:		netbsd-3
    186 Description:	The NetBSD 3 release branch
    187 Status:		Active
    188 Start Date:	16 Mar 2005
    189 End Date:
    190 Base Tag:	netbsd-3-base
    191 Maintainer:	3 Release Engineering <releng-3 (a] NetBSD.org>
    192 Scope:		Entire tree. (src + xsrc)
    193 Notes:
    194 		Commits restricted to Release Engineering.
    195 
    196 Branch:		netbsd-4
    197 Description:	The NetBSD 4 release branch
    198 Status:		Active
    199 Start Date:	8 Aug 2006
    200 End Date:
    201 Base Tag:	netbsd-4-base
    202 Maintainer:	4 Release Engineering <releng-4 (a] NetBSD.org>
    203 Scope:		Entire tree. (src + xsrc)
    204 Notes:
    205 		Commits restricted to Release Engineering.
    206 
    207 ########################################################################
    208 # Individual developers' branches (Active/Dormant):
    209 ########################################################################
    210 
    211 Branch:		ad-audiomp
    212 Description:	Add MP locking to the audio drivers
    213 Status:		Active
    214 Start Date:	28 February 2007
    215 End Date:
    216 Base Tag:	ad-audiomp-base
    217 Maintainer:	Andrew Doran <ad (a] NetBSD.org>
    218 Scope:		kernel
    219 Notes:		Making the audio drivers MP safe is necessary before efforts
    220 		can be made to make the VM system MP safe. About 1/2 of the
    221 		drivers are converted, the remaining 1/2 need more changes.
    222 
    223 		As of import this is snapshot of work in progress and so
    224 		may not compile; in particular the midi changes are very
    225 		much "in progress". The audio component has been tested
    226 		and verified to work with emuxki and auvia. There may
    227 		be a locking issue in the ac97 code at boot.
    228 
    229 		The are two locks per device instance, an ISR lock and
    230 		a character device lock. The ISR lock replaces calls to
    231 		splaudio()/splx(), and will be held across calls to device
    232 		methods which were called at splaudio() before (e.g.
    233 		trigger_output). The character device lock is held across
    234 		calls to nearly all of the methods, excluding some only
    235 		used for initialization, e.g. get_locks. This needs to be
    236 		documented at merge time.
    237 
    238 		To test on a multi way x86 system, search for "mpsafe" in
    239 		x86/x86/intr.c and change IPL_SCHED to IPL_AUDIO. Run a job
    240 		that will acquire the ISR lock (depends on the hardware, but
    241 		"while true; do mixerctl -a > /dev/null; done" may suffice).
    242 		Play audio, run lockstat and verify that that there is
    243 		contention on the ISR lock.
    244 
    245 Branch:		bjh21-hydra
    246 Description:	Simtec Hydra support and ARM SMP in general
    247 Status:		Dormant
    248 Start Date:	18 Oct 2002
    249 End Date:
    250 Base Tag:	bjh21-hydra-base
    251 Maintainer:	Ben Harris <bjh21 (a] NetBSD.org>
    252 Scope:		sys/arch/arm sys/arch/acorn32
    253 Notes:		This code was on a branch because it involves changes to
    254 		cpuswitch.S which would otherwise make merging the
    255 		nathanw_sa branch difficult.
    256 
    257 Branch:		chris-arm-intr-rework
    258 Description:	Rework arm interrupt handling code
    259 Status:		Active
    260 Start Date:	11 Aug 2007
    261 End Date:
    262 Base Tag:	chris-arm-intr-rework-base
    263 Maintainer:	Chris Gilbert <chris (a] NetBSD.org>
    264 Scope:		sys/arch/arm sys/arch/cats (other arm archs to follow)
    265 Notes:		Rework arm interrupt code to provide a shared set of interrupt
    266 		routines, and allow improvements to be shared across all arm
    267 		based hardware.
    268 
    269 Branch:		gmcgarry_ctxsw
    270 Description:	Separate scheduler from context-switch code
    271 Status:		Dormant
    272 Start Date:	18 December 2002
    273 End Date:
    274 Base Tag:	gmcgarry_ctxsw_base
    275 Maintainer:	Gregory McGarry <gmcgarry (a] NetBSD.org>
    276 Scope:		kernel
    277 Notes:		Removing knowledge of the scheduler and its run queues
    278 		from the machine-dependent context switch code is the
    279 		first step in cleaning up the scheduler.  It is necessary
    280 		for the newlock branch, making the scheduler SMP friendly,
    281 		adding real-time scheduler extensions, and reducing the
    282 		number of code paths for LWP and proc switching.
    283 
    284 Branch:		gmcgarry_ucred
    285 Description:	Integrate and encapsulate user credentials
    286 Status:		Dormant
    287 Start Date:	18 December 2002
    288 End Date:
    289 Base Tag:	gmcgarry_ucred_base
    290 Maintainer:	Gregory McGarry <gmcgarry (a] NetBSD.org>
    291 Scope:		kernel
    292 Notes:		merge pcred and ucred and poolify
    293 
    294 Branch:		hpcarm-cleanup
    295 Description:	Fix build problems for hpcarm
    296 Status:		Active
    297 Start Date:	31 July 2007
    298 End Date:
    299 Base Tag:	hpcarm-cleanup-base
    300 Maintainer:	Robert Swindells <rjs (a] NetBSD.org>
    301 Scope:		kernel
    302 Notes:		Modify SA11x0 interrupt code to match PXA2x0 equivalent.
    303 
    304 Branch:		itohy-usb1
    305 Description:	USB stack overhaul, mostly DMA related
    306 Status:		Active
    307 Start Date:	22 May 2007
    308 End Date:
    309 Base Tag:	itohy-usb1-base
    310 Maintainer:	ITOH Yasufumi <itohy (a] NetBSD.org>
    311 Scope:		kernel
    312 Notes:		To check out the kernel source tree,
    313 		1. check out checkout script
    314 			cvs checkout -ritohy-usb1 src/sys/dev/usb/filelist
    315 		2. update files in the branch
    316 			sh -e src/sys/dev/usb/filelist
    317 
    318 Branch:		kame
    319 Description:	KAME Project
    320 Status:		Dormant
    321 Start Date:	28 Jun 1999
    322 End Date:
    323 Base Tag:
    324 Maintainer:	Jun-ichiro itojun Hagino <itojun (a] NetBSD.org>
    325 Scope:		kernel
    326 Notes:		http://www.kame.net
    327 		Used for "reference" purposes for early part of KAME
    328 		integration effort.  The branch is not actively used, as I
    329 		(itojun) use patch(1) and diff(1) for the KAME syncs.
    330 
    331 Branch:		kent-audio2
    332 Description:	In-kernel audio mixer
    333 Status:		Active
    334 Start Date:	Sun Jan 16 2005
    335 End Date:	
    336 Base Tag:	kent-audio2-base
    337 Maintainer:	TAMURA Kent <kent (a] NetBSD.org>
    338 Scope:		kernel (audio device drivers)
    339 Notes:		http://mail-index.netbsd.org/tech-kern/2004/12/03/0007.html
    340 		Please consult with the maintainer before committing
    341 		to this branch.
    342 		This branch is not expected to be compilable yet.
    343 
    344 Branch:		matt-timespec
    345 Description:	Convert the kernel to struct timespec as its primary time
    346 		storage mechanism.
    347 Status:		Inactive
    348 Start Date:	2005-02-19
    349 End Date:
    350 Base Tag:	
    351 Maintainer:	Matt Thomas <matt (a] NetBSD.org>
    352 Scope:		kernel
    353 Notes:	
    354 
    355 Branch:		matt-mips64
    356 Description:	Rototill the mips code to support LP64 mips and N32/N64 ABIs
    357 Status:		Active
    358 Start Date:	2007-07-17
    359 End Date:
    360 Base Tag:	matt-mips64-base
    361 Maintainer:	Matt Thomas <matt (a] NetBSD.org>
    362 Scope:		kernel & userland
    363 Notes:	
    364 
    365 Branch:		matt-armv6
    366 Description:	Rototill the arm code to support features present in the
    367 		v6 of the ARM Architecture.  Additionally, clean up things
    368 		along the way to use common practices.
    369 Status:		Active
    370 Start Date:	2007-08-27
    371 End Date:
    372 Base Tag:	matt-armv6-base
    373 Maintainer:	Matt Thomas <matt (a] NetBSD.org>
    374 Scope:		kernel & userland
    375 Notes:	
    376 
    377 Branch:		mjf-devfs
    378 Description:	device file system supporting dynamic device nodes
    379 Status:		Active
    380 Start Date:	12 November 2007
    381 End Date:
    382 Base Tag:	mjf-devfs-base
    383 Maintainer:	Matt Fleming <mjf (a] NetBSD.org>
    384 Scope:		kernel and userland
    385 Notes:		This branch will move away from the static device nodes that
    386 		are created with MAKEDEV scripts and allow nodes to be created
    387 		and removed dynamically as devices are attached and detached
    388 		from the machine.
    389 
    390 Branch:		mjf-ufs-trans
    391 Description:	file system transactions for ufs
    392 Status:		Active
    393 Start Date:	12 March 2007
    394 End Date:
    395 Base Tag:	mjf-ufs-trans-base
    396 Maintainer:	Matt Fleming <mjf (a] NetBSD.org>
    397 Scope:		kernel
    398 Notes:
    399 
    400 Branch:	  	pkgviews
    401 Description:  	package views, enabling multiple conflicting packages to co-exist
    402 Status:		Active
    403 Start Date:	22 July 2002
    404 End Date:
    405 Base Tag:	pkgviews
    406 Maintainer:	Alistair Crooks <agc (a] NetBSD.org>
    407 Scope:		pkgsrc, basesrc/usr.sbin/pkg_install
    408 Notes:		A more flexible infrastructure for third-party packages by
    409 		allowing multiple conflicting packages and versions to co-exist
    410 		within the same tree
    411 
    412 Branch:		rpaulo-netinet-merge-pcb
    413 Description:	merge in6pcb with inpcb
    414 Status:		Dormant
    415 Start Date:	Wed Feb 01 2006
    416 End Date:	
    417 Base Tag:	rpaulo-netinet-merge-pcb-base
    418 Maintainer:	Rui Paulo <rpaulo (a] NetBSD.org>
    419 Scope:		src/sys
    420 Notes:		No longer active due to the lack of time. If you plan to
    421 		continue this branch, sys/netinet/in_pcb.h already contains
    422 		the proposed structure layout (which was roughly discussed
    423 		in the tech-net mailing list).
    424 		I also defined INP_*() macros to mimicate FreeBSD's inpcb
    425 		locking style, but currently they do nothing and are not
    426 		yet called at the correct places (needs discussion about
    427 		kernel fine-grained locking).
    428 		To continue this branch, one needs to read all the relevant
    429 		inpcb/in6pcb source files and change the function names,
    430 		structure names, structure fields according to the new
    431 		layout (in6pcb is gone).
    432 		Don't try to build a kernel from this branch because it won't
    433 		work. The missing pieces required to do a complete build
    434 		were not committed because they were incomplete and generated
    435 		panics.
    436 		You shouldn't need to worry about KAME syncs because
    437 		they did most of them by now.
    438 		After the work is done, you are required to test the branch
    439 		(before the merge to -current) with an interop IPv6 test.
    440 		More info at: http://www.tahi.org/
    441 
    442 Branch:		rtr-xorg-branch
    443 Description:	xorg & static build alterations to src/x11
    444 Status:		Active
    445 Start Date:	Nov 15 2004
    446 End Date:	
    447 Base tag:	rtr-xorg-branch-base
    448 Maintainer:	Tyler R. Retzlaff <rtr (a] NetBSD.org>
    449 Scope:		x11
    450 		distrib/sets/lists
    451 		share/mk/bsd.x11.mk
    452 		share/mk/bsd.own.mk
    453 		etc/mtree/NetBSD.dist
    454 Notes:		Requires parts of xsrc/xfree (HEAD)
    455 		xsrc/local, xsrc/xfree/xc/programs/Xserver/hw/netbsd
    456 		Requires xorg (XORG-6_8_1)
    457 
    458 Branch:  	wrstuden-fixsa
    459 Description:	Fix a number of issues present with Scheduler Activations.
    460 Status: 	Active
    461 Start Date:	15 May 2007
    462 End Date:
    463 Base Tag:	wrstuden-fixsa-base
    464 Maintainer:	Bill Stouder-Studenmund <wrstuden (a] NetBSD.org>
    465 Scope:		src, though all the interesting stuff is in the kernel
    466 		or lib/libpthread or maybe gdb.
    467 Notes:		This branch is based off of the netbsd-4 branch!
    468 		This branch is intended to stage improvements for the
    469 		Scheduler Activations system for NetBSD 4. Improvements
    470 		include not allocating memory while preparing to tsleep(),
    471 		reducing inappropriate upcall delivery (hopefully also
    472 		eliminating the need to mlock stacks), and being
    473 		able to pthread_kill() running threads.
    474 
    475 Branch:		vmlocking
    476 Description:	Make VM and file system framework MP safe
    477 Status:		Terminated
    478 Start Date:	13 March 2007
    479 End Date:	4 December 2007
    480 Base Tag:	vmlocking-base
    481 Maintainer:	Andrew Doran <ad (a] NetBSD.org>
    482 Scope:		kernel
    483 Notes:		Superseded by vmlocking2 branch.
    484 
    485 Branch:		vmlocking2
    486 Description:	Make VM and file system framework MP safe
    487 Status:		Active
    488 Start Date:	4 December 2007
    489 End Date:
    490 Base Tag:	vmlocking2-base1
    491 Maintainer:	Andrew Doran <ad (a] NetBSD.org>
    492 Scope:		kernel
    493 Notes:		Goals:
    494 
    495 		- Make VM system / trap handling MP safe.
    496 		- Replace simplelocks with mutexes.
    497 		- Make file system framework MP safe.
    498 
    499 		Status by architecture:
    500 
    501 		  alpha		partial: need pmap/trap locking changes
    502 		  i386		done
    503 		  amd64		done
    504 		  mips		done
    505 		  sparc			
    506 		  sparc64		
    507 		  arm			
    508 		  powerpc	partial: need pmap/trap locking changes
    509 		  hppa		done
    510 		  sh3		done
    511 		  vax		partial: need pmap/trap locking changes
    512 		  m68k		
    513 		  xen		partial
    514 
    515 		Remaining MI work to do:
    516 
    517 		- Document locking around fields in struct mount.
    518 
    519 		- Check aliased vnode handling. There may be problems.
    520 
    521 		- Check layered file systems, LFS.
    522 
    523 		Remaining problems:
    524 
    525 		- tmpfs_rmdir occasionally leaks tmpfs_nodes.
    526 
    527 		- UVM_FLAG_TRYLOCK is not sufficient in uvm_km.c because
    528 		  allocations will fail too often. It's needed for !kmem_map
    529 		  because sometimes allocations are made by threads that
    530 		  hold the map locked, which could cause other threads to
    531 		  wait long term even if they are trying to make a NOWAIT
    532 		  allocation.
    533 
    534 		- ext2fs dup alloc.
    535 
    536 		- Unmount erroneously reports busy sometimes. Why?
    537 
    538 		- usl_detachtimeout warning occasionally.
    539 
    540 Branch:		yamt-lazymbuf
    541 Description:	implement and evaluate lazy mapping of mbuf external data pages
    542 		also, change the way to share mbuf external storage.
    543 		it's intended as the first step of larger changes.
    544 			1. support operations (esp. bus_dma load) on
    545 			   unmapped mbuf.
    546 			2. unify mbuf and buf.
    547 			   (or, at least some parts of them)
    548 			3. then it should be trivial to implement
    549 			   i/o coalescing, etc.
    550 Status:		Active
    551 Start Date:	Wed Jul  6 2005
    552 End Date:	
    553 Base Tag:	yamt-lazymbuf-base7
    554 Maintainer:	YAMAMOTO Takashi <yamt (a] NetBSD.org>
    555 Scope:		src/sys  (src/common is tagged but not branched)
    556 Notes:		
    557 		i386		DONE
    558 		amd64		DONE
    559 		other ports should work as the trunk does.
    560 		(conditionalized by __HAVE_LAZY_MBUF macro)
    561 
    562 Branch:		reinoud-bufcleanup
    563 Description:	implement and evaluate struct buf usage cleanup strategies.
    564 		Ideas currently in mind (preference for b):
    565 		a)
    566 			1. use of bio_ops per buffer.
    567 			2. allow chaining/overloading of functions in bio_ops
    568 			   and provide some private context.
    569 			3. extend the bio_ops with commonly used functionality
    570 			   like pending action counting, custom context passing,
    571 			   last minute processing of buffer data, buffer cache
    572 			   etc.
    573 			4. investigate the use of the kcont()
    574 			   continuation-passing framework for async io
    575 			   completion notification for bufs
    576 			...
    577 		b)
    578 			1. all sequencing use of B_CALL replaced by
    579 			   device-threads, if possible generic code around BUFQ
    580 			2. possibly use kcont() for async IO finished signaling
    581 			3. counter of pending and queued actions requestable
    582 			   by IOCTL interface?
    583 			4. implement `last minute buffer fixup' calls and maybe
    584 			   even finished I/O calls as vnode operations
    585 			...
    586 Status:		Active
    587 Start Date:	Thu Mar 15 2007
    588 End Date:
    589 Base Tag:	reinoud-bufcleanup-base
    590 Maintainer:	Reinoud Zandijk <reinoud (a] NetBSD.org>
    591 Scope:		src/sys and src/common
    592 Notes:		Used as experiment sandbox and if successful hopefully one day
    593 		to be integrated.
    594 
    595 Branch:		thorpej-atomic
    596 Description:	Implementation of an atomic memory operations API modeled
    597 		after the one in Solaris 10.
    598 Status:		Active
    599 Start Date:	Apr 11 2007
    600 End Date:
    601 Base tag:	thorpej-atomic-base
    602 Maintainer:	Jason Thorpe <thorpej (a] netbsd.org>
    603 Scope:		src/common
    604 		src/sys
    605 Notes:		Base atomic primitives need to be implemented for
    606 		all of the supported architectures:
    607 
    608 		alpha		DONE
    609 		arm		DONE
    610 		hppa
    611 		i386		DONE
    612 		ia64
    613 		m68k		DONE (except for 68010)
    614 		mips
    615 		ns32k
    616 		powerpc		DONE except for membar_*()
    617 		powerpc64	DONE except for membar_*()
    618 		sh3
    619 		sparc		DONE except for membar_*()
    620 		sparc64		DONE except for membar_*()
    621 		vax
    622 		x86_64		DONE
    623 
    624 		Tested:
    625 
    626 		alpha		NO
    627 		arm		NO
    628 		hppa		NO
    629 		i386		NO
    630 		ia64		NO
    631 		m68k		NO
    632 		mips		NO
    633 		ns32k		NO
    634 		powerpc		NO
    635 		powerpc64	NO
    636 		sh3		NO
    637 		sparc		NO
    638 		sparc64		NO
    639 		vax		NO
    640 		x86_64		NO
    641 
    642 		TODO:
    643 
    644 		all		- Need to replace mb_*() with membar_*().
    645 
    646 				- Audit MUTEX_CAS() and RWLOCK_CAS() uses
    647 				  to see of membar_enter() is required here.
    648 
    649 				- Talk to ad@ -- figure out of non-atomic
    650 				  mutex / rwlock release is actually safe.
    651 
    652 		arm		- Consider using a RAS technique like
    653 				  MIPS uses for _lock_cas() and the mutex
    654 				  stubs.  Possibly do more than one atomic
    655 				  op as a RAS.  Possibly implement mutex
    656 				  stubs using the technique.
    657 
    658 		m68k		- Need to do 68010 support.
    659 		
    660 		i386		- Need to change when x86_patch() is called
    661 				  so we can test ncpus.
    662 
    663 		powerpc		- Figure out if we need barriers in the
    664 				  atomic ops themselves (hopefully not!)
    665 
    666 		x86_64		- Need to change when x86_patch() is called
    667 				  so we can test ncpus.
    668 
    669 ########################################################################
    670 # Individual developers' branches (Terminated):
    671 ########################################################################
    672 
    673 Branch:		bouyer-scsipi
    674 Description:	Integration of atapi support
    675 Status:		Terminated
    676 Start Date:
    677 End Date:
    678 Base Tag:
    679 Maintainer:	Manuel Bouyer <bouyer (a] NetBSD.org>
    680 Scope:		kernel
    681 Notes:		Superseded by thorpej_scsipi
    682 
    683 Branch:		bouyer-xen2
    684 Description:	update xen port to xen 2.0, with support for domain0 operations
    685 Status:		Terminated
    686 Start Date:	Dec 13 2004
    687 End Date:	Mar 10 2005
    688 Base Tag:	netbsd-2-base
    689 Maintainer:	Manuel Bouyer <bouyer (a] NetBSD.org>
    690 Scope:		src/sys/arch/xen
    691 Notes:
    692 
    693 Branch:		bouyer-xenamd64
    694 Description:	add amd64 support to Xen and rework some parts to share more code between Xen and others
    695 Status:		Terminated
    696 Start Date:	18 Oct 2007
    697 End Date:	22 Nov 2007
    698 Base Tag:	bouyer-xenamd64-base
    699 Maintainer:	Manuel Bouyer <bouyer (a] NetBSD.org>
    700 Scope:		kernel
    701 Notes:		
    702 
    703 Branch: 	chap-midi
    704 Description:	Renovation of MIDI support
    705 Status: 	Terminated; merged to -current
    706 Start Date:	19 May 2006
    707 End Date:	30 Jun 2006
    708 Base Tag:	chap-midi-base
    709 Maintainer:	Chapman Flack <chap (a] NetBSD.org>
    710 Scope:		sys, share/man, usr.bin
    711 Notes:
    712 
    713 Branch:		chs-ubc
    714 Description:	Unified Buffer Cache
    715 Status:		Terminated
    716 Start Date:
    717 End Date:
    718 Base Tag:	chs-ubc-base
    719 Maintainer:	Chuck Silvers <chs (a] NetBSD.org>
    720 Scope:		kernel
    721 Notes:
    722 
    723 Branch:		chs-ubc2
    724 Description:	 Unified Buffer Cache
    725 Status:		Terminated; merged to -current
    726 Start Date:
    727 End Date:
    728 Base Tag:	chs-ubc2-base, chs-ubc2-newbase
    729 Maintainer:	Chuck Silvers <chs (a] NetBSD.org>
    730 Scope:		kernel
    731 Notes:
    732 
    733 Branch:		cjs-build-against-obj-dir
    734 Description:	?
    735 Status:		?
    736 Start Date:
    737 End Date:
    738 Base Tag:
    739 Maintainer:	Curt Sampson <cjs (a] NetBSD.org>
    740 Scope:		Entire tree.
    741 Notes:
    742 
    743 Branch:		eeh-paddr_t
    744 Description:	use separate types for virtual vs. physical addresses
    745 Status:		Terminated; merged to -current
    746 Start Date:
    747 End Date:
    748 Base Tag:	eeh-paddr_t-base
    749 Maintainer:	Eduardo Horvath <eeh (a] NetBSD.org>
    750 Scope:		kernel
    751 Notes:		This is needed to support 32-bit kernels on sparc64.
    752 
    753 Branch:		elad-kernelauth
    754 Description:	Native NetBSD implementation of Apple's kernel authorization
    755 		based on TN2127. This is a "clean-room" implementation to
    756 		avoid any licensing issues.
    757 Status:		Terminated; merged to -current
    758 Start Date:	Tue Mar	 7 2006
    759 End Date:	Mon May 15 2006
    760 Base Tag:	elad-kernelauth-base
    761 Maintainer:	Elad Efrat <elad (a] NetBSD.org>
    762 Scope:		src/sys, src/share/man/man9/Makefile,
    763 		src/share/man/man9/kauth.h, src/distrib/sets/lists/comp/mi
    764 Notes:
    765 
    766 Branch:		fvdl-softdep
    767 Description:	FFS soft dependencies
    768 Status:		Terminated; merged to -current
    769 Start Date:
    770 End Date:
    771 Base Tag:	fvdl-softdep-base
    772 Maintainer:	Frank van der Linden <fvdl (a] NetBSD.org>
    773 Scope:		kernel
    774 Notes:
    775 
    776 Branch:		gehenna-devsw
    777 Description:	auto-generation of devsw table
    778 Status:		Terminated
    779 Start Date:	16 May 2002
    780 End Date:	6 Sep 2002
    781 Base Tag:	gehenna-devsw-base
    782 Maintainer:	MAEKAWA Masahide <gehenna (a] NetBSD.org>
    783 Scope:		syssrc
    784 Notes:		The goal is to get rid of the existing device switch tables in
    785 		port-dependent conf.c and to generate them dynamically by
    786 		config(8).
    787 
    788 Branch:		is-newarp
    789 Description:	ARP for non-Ethernet
    790 Status:		Terminated; merged before NetBSD 1.3
    791 Start Date:	1996/10/13
    792 End Date:	1997/03/15
    793 Base Tag:	is-newarp-base
    794 Maintainer:	Ignatios Souvatzis <is (a] NetBSD.org>
    795 Scope:		kernel
    796 Notes:
    797 
    798 Branch:		jmcneill-pm
    799 Description:	Power management framework overhaul, ACPI improvements
    800 Status:		Terminated; merged before NetBSD 5.0
    801 Start Date:	3 Aug 2007
    802 End Date:	9 Dec 2007
    803 Base Tag:	jmcneill-pm-base
    804 Maintainer:	Jared D. McNeill <jmcneill (a] NetBSD.org>
    805 Scope:		kernel
    806 Notes:		
    807 
    808 Branch:		kenh-if-detach
    809 Description:	Interface detach support.
    810 Status:		?
    811 Start Date:
    812 End Date:
    813 Base Tag:	kenh-if-detach-base
    814 Maintainer:	Ken Hornstein <kenh (a] NetBSD.org>
    815 Scope:		kernel
    816 Notes:
    817 
    818 Branch:		kent-audio1
    819 Description:	Audio converter pipeline
    820 Status:		Terminated; merged to -current
    821 Start Date:	Tue Dec  7 2004
    822 End Date:	Tue Jan 11 2005
    823 Base Tag:	kent-audio1-base
    824 Maintainer:	TAMURA Kent <kent (a] NetBSD.org>
    825 Scope:		kernel (audio device drivers)
    826 Notes:		http://mail-index.netbsd.org/tech-kern/2004/12/03/0007.html
    827 		Please consult with the maintainer before committing
    828 		to this branch.
    829 
    830 Branch:		kqueue
    831 Description:	kqueue kernel event notification mechanism (from FreeBSD)
    832 Status:		Terminated; merged to -current
    833 Start Date:	Tue Jul 10 23:08:38 EST 2001
    834 End Date:	Tue Oct 24 09:14:14 GMT 2002
    835 Base Tag:	kqueue-base
    836 Maintainer:	Jaromir Dolecek <jdolecek (a] NetBSD.org>
    837 Scope:		kernel, libc/sys, share/man/man9, usr.bin/fstat
    838 Notes:		Integration of FreeBSD's kqueue(2) mechanism, with various
    839 		local internal changes to better suit NetBSD, and
    840 		enhancements such as looking up filters by name or
    841 		number, and dynamic registration of "user" filters.
    842 		The work is complete as is, but is awaiting more
    843 		feedback from various kernel gurus before going mainline.
    844 
    845 Branch:		ktrace-lwp
    846 Description:	ktrace support for lwp ids.
    847 Status:		Terminated; merged to -current
    848 Start Date:	Wed Jul  2 15:27:30 UTC 2003
    849 End Date:	Sun Dec 11 12:25:29 UTC 2005
    850 Base Tag:	ktrace-lwp-base
    851 Maintainer:	Darren Reed <darrenr (a] NetBSD.org>
    852 Scope:		sys
    853 Notes:		
    854 
    855 Branch:		marc-pcmcia
    856 Description:	PCMCIA support
    857 Status:		Terminated; merged to -current
    858 Start Date:
    859 End Date:
    860 Base Tag:	marc-pcmcia-base, marc-pcmcia-bp
    861 Maintainer:	Marc Horowitz <marc (a] NetBSD.org>
    862 Scope:		kernel
    863 Notes:
    864 
    865 Branch:		minoura_x68k_bus_h
    866 Description:	bus_space(9) and bus_dma(9) implementation for x68k
    867 Status:		Terminated; merged to -current
    868 Start Date:	23 Dec 1998
    869 End Date:	16 Mar 1999
    870 Base Tag:	minoura_x68k_bus_h-base
    871 Maintainer:	Minoura Makoto <minoura (a] NetBSD.org>
    872 Scope:		sys/arch/x68k
    873 Notes:
    874 
    875 Branch:		minoura-xpg4dl
    876 Description:	Citrus Project locale subsystem
    877 Status:		Terminated; (partly) merged to -current
    878 Start Date:	28 March 2000
    879 End Date:
    880 Base Tag:	minoura-xpg4dl-base
    881 Maintainer:	Minoura Makoto <minoura (a] NetBSD.org>
    882 Scope:		basesrc, syssrc, sharesrc
    883 Notes:		Citrus Project is developing dynamically-loadable, codeset-
    884 		independent locale subsystem.  Part of the implementation
    885 		(LC_CTYPE) called XPG4DL is now integrated to -current.
    886 
    887 Branch:		mrg-vm-swap
    888 Description:	dynamic swap allocation, swap-to-files support
    889 Status:		Terminated; abandoned for mrg-vm-swap2
    890 Start Date:	12 February 1997
    891 End Date:	15 March 1997
    892 Base Tag:	[none]
    893 Maintainer:	Matthew R. Green <mrg (a] NetBSD.org>
    894 Scope:		kernel
    895 Notes:
    896 
    897 Branch:		mrg-vm-swap2
    898 Description:	dynamic swap allocation, swap-to-files support
    899 Status:		Terminated; merged to -current
    900 Start Date:	4 May 1997
    901 End Date:	12 June 1997
    902 Base Tag:	mrg-vm-swap2-base
    903 Maintainer:	Matthew R. Green <mrg (a] NetBSD.org>
    904 Scope:		kernel
    905 Notes:
    906 
    907 Branch:		nathanw_sa
    908 Description:	Scheduler activations
    909 Status:		Terminated; merged to -current
    910 Start Date:	5 March 2001
    911 End Date:	18 January 2003
    912 Base Tag:	nathanw_sa_base
    913 Maintainer:	Nathan Williams <nathanw (a] NetBSD.org>
    914 Scope:		kernel, libc, libkvm, libpthread, libpthread_dbg, include, 
    915 		bin/ps usr.bin/systat usr.bin/top usr.bin/w
    916 		gnu/dist/toolchain/gdb gnu/usr.bin/gdb
    917 Notes:		The idea of scheduler activations is described in the
    918 		classic paper by Anderson et al., in ACM Transactions
    919 		a on Computer Systems volume 10 issue 1 (1992),which
    920 		can be found at
    921 		http://www.acm.org/pubs/citations/journals/tocs/1992-10-1/p53-anderson/
    922 		Many ideas in the implementation are based on the
    923 		implementation of scheduler activations added to Mach
    924 		3.0 and described by Davis et al. in the University of
    925 		Washington CS tech report 92-08-93, which can be found
    926 		at
    927 		ftp://ftp.cs.washington.edu/tr/1992/08/UW-CSE-92-08-03.PS.Z
    928 
    929 		My USENIX paper on the subject can be found at
    930 		http://web.mit.edu/nathanw/www/usenix/
    931 
    932 		Please consult with the maintainer before committing
    933 		to this branch.
    934 		Other tags starting with nathanw_sa reserved for
    935 		branch management and are not guaranteed to be stable.
    936 
    937 		Trunk tagged with "nathanw_sa_before_merge" prior to
    938 		merging branch down to trunk.  Branch tagged with
    939 		"nathanw_sa_end" to indicate the ending revision of
    940 		the branch.
    941 
    942 Branch:		newlock
    943 Description:	New locking primitives, based on Solaris's
    944 Status:		Terminated
    945 Start Date:	March 9, 2002
    946 End Date:	February 12, 2007
    947 Base Tag:	newlock-base
    948 Maintainer:	Jason R. Thorpe <thorpej (a] NetBSD.org>
    949 Scope:		Kernel
    950 Notes:		The goal is to replace the existing lockmgr() and
    951 		simple_lock() based locking mechanisms with the
    952 		primitives found in Solaris: mutexes and rwlocks.
    953 		Superseded by the newlock2 branch.
    954 
    955 Branch:		newlock2
    956 Description:	New locking primitives, based on Solaris's
    957 Status:		Terminated
    958 Start Date:	September 9, 2006
    959 End Date:	February 12, 2007
    960 Base Tag:	newlock2-base
    961 Maintainer:	Andrew Doran <ad (a] NetBSD.org>
    962 Scope:		Kernel
    963 Notes:		As per the newlock branch, however given the amount of time
    964 		the original branch has lain dormant, a new one has been
    965 		created.  Goals:
    966 		- Implement new locking primitives on most-used ports.
    967 		- Minor locking improvements.
    968 		- Remove spinlockmgr().
    969 
    970 Branch:		nick-csl-alignment
    971 Description:	Provide correctly aligned __cpu_simple_lock_t for hppa
    972 Status:		Terminated
    973 Start Date:	2007-07-18
    974 End Date:
    975 Base Tag:	nick-csl-alignment-base5
    976 Maintainer:	Nick Hudson <skrll (a] NetBSD.org>
    977 Scope:		sys, lib/libpthread, lib/libpthread_dbg
    978 Notes:	
    979 
    980 Branch:		perseant-lfsv2
    981 Description:	LFS incompatible on-disk data structure changes
    982 Status:		Terminated
    983 Start Date:	27 June 2001
    984 End Date:	16 July 2001
    985 Base Tag:	perseant-lfsv2-base
    986 Maintainer:	Konrad Schroder <perseant (a] NetBSD.org>
    987 Scope:		basesrc/{sbin/*lfs,libexec/lfs_cleanerd,usr.sbin/dumplfs}, syssrc/sys/ufs
    988 Notes:		This branch should be short-lived, I expect to merge as soon
    989 		as the data structures required for unremove are in and tested.
    990 
    991 Branch:		ppcoea-renovation
    992 Description:	General renovation and cleanup of all OEA PowerPC ports.
    993 Status:		Terminated; merged to -current
    994 Start Date:	30 April 2007
    995 End Date:	15 October 2007
    996 Base Tag:	ppcoea-renovation-base
    997 Maintainer:	Tim Rightnour <garbled (a] netbsd.org>
    998 Scope:		src/sys/arch
    999 Notes:		This branch is for a general cleanup of all OEA-based PowerPC
   1000 		ports. OEA (Operating Environment Architecture) PowerPC refers
   1001 		to the 601, 603, 604, and similar chips.  Specifically, not the
   1002 		403/401 and other embedded chips. The general concept is to get
   1003 		them all compiling, and sharing as much code as possible.  All
   1004 		developers are welcome to commit to this branch.
   1005 
   1006 Branch:		thorpej-devvp
   1007 Description:	replace dev_t with struct vnode * in devsw entry points
   1008 Status:		Terminated
   1009 Start Date:	Sep 6 2001
   1010 End Date:	???
   1011 Base Tag:	thorpej-devvp-base
   1012 Maintainer:	Jason Thorpe <thorpej (a] NetBSD.org>
   1013 Scope:		syssrc
   1014 Notes:		Kernels built from this branch are not expected
   1015 		to function correctly at this time.
   1016 
   1017 		Ports known to compile on this branch:
   1018 			alpha
   1019 			i386
   1020 
   1021 Branch:		peter-altq
   1022 Description:	New ALTQ framework:
   1023 		- sync with KAME sources
   1024 		- share mtag/name mapping functions
   1025 		- separate altq + pf attachment
   1026 Status:		Terminated; merged to -current
   1027 Start Date:	March 16, 2006
   1028 End Date:	October 12, 2006
   1029 Base Tag:	peter-altq-base
   1030 Maintainer:	Peter Postma <peter (a] NetBSD.org>,
   1031 		Martin Husemann <martin (a] NetBSD.org>,
   1032 		Matthias Scheler <tron (a] NetBSD.org>
   1033 Scope:		dist/pf dist/ipf distrib/sets/lists sys usr.sbin/altq
   1034 Notes:		Only the first item in the description was finished
   1035 		in this branch.
   1036 
   1037 Branch:		sommerfeld_i386mp_1
   1038 Description:	Multiprocessor support for i386 using Intel MP BIOS.
   1039 Status:		Terminated; merged to -current
   1040 Start Date:	21 Feb 2000
   1041 End Date:	01 Oct 2002
   1042 Base Tag:	sommerfeld_i386mpbase_1
   1043 Maintainer:	Bill Sommerfeld <sommerfeld (a] NetBSD.org>
   1044 Scope:		sys/arch/i386
   1045 Notes:
   1046 		Code committed to the branch has booted to multiuser 
   1047 		on at least one system.
   1048 
   1049 		Not guaranteed to compile against mainline since -current
   1050 		may have changed incompatibly with the last branch update;
   1051 		use "cvs update -D" to roll-back the rest of the tree to match.
   1052 
   1053 		Please get explicit permission from the maintainer 
   1054 		before each commit, or your changes will be backed out.
   1055 		Other tags starting with sommerfeld_ are private to 
   1056 		the developer and are guaranteed to be unstable.
   1057 		Only the maintainer should move tags.
   1058 
   1059 		Note that this branch uses a DIFFERENT scheme for 
   1060 		syncing with the mainline.  the maintainer uses some private
   1061 		scripts for keeping them in sync; if you make commits 
   1062 		to the branch to "resynchronize" things, you'll
   1063 		probably do it wrong; instead, ask the maintainer to
   1064 		resynchronize things.
   1065 
   1066 		See sys/arch/i386/TODO on the branch for a list of known
   1067 		issues with the branch.
   1068 
   1069 Branch:		thorpej-mips-cache
   1070 Description:	overhaul MIPS cache support code
   1071 Status:		Terminated; merged to -current
   1072 Start Date:	Oct 23 2001
   1073 End Date:	Nov 14 2001
   1074 Base Tag:	thorpej-mips-cache-base
   1075 Scope:		syssrc
   1076 Notes:		This branch needs more debugging, testing, and more
   1077 		ports need to be converted to the new world order.
   1078 
   1079 		The following processors have had cache ops
   1080 		written:
   1081 
   1082 			* R2000/R3000 (cache_r3k) -- light testing,
   1083 			  needs to be beat on a lot more to make
   1084 			  sure it's working.
   1085 
   1086 			* R4000/R4400 (cache_r4k) -- mhitch (a] NetBSD.org
   1087 			  tracked down a bug, which has been fixed.
   1088 
   1089 			  Confirmed working on R4000-with-L2.
   1090 
   1091 			  Confirmed working on R4400-no-L2 and
   1092 			  R4400-with-L2.
   1093 
   1094 			* R4600/R5000 (cache_r5k) -- shin (a] NetBSD.org
   1095 			  has committed fixes to this code.
   1096 
   1097 			  Confirmed working on R4600 v2 (SGI IP-22 with
   1098 			  no SysAD L2 cache).
   1099 
   1100 			  Confirmed working on RM5260 (Algorithmics P-5064).
   1101 
   1102 			* TX39 (cache_tx39) -- uch (a] NetBSD.org has
   1103 			  committed fixes to this code.  Awaiting
   1104 			  confirmation that it is working properly.
   1105 
   1106 			* R5900 (cache_r5900) -- uch (a] NetBSD.org has
   1107 			  written this code and tested it on a
   1108 			  PlayStation 2.
   1109 
   1110 		The following ports have been updated to compile (and
   1111 		use optimized-for-processor bus_dma routines).  Those
   1112 		that have been tested and work are marked with [WORKING].
   1113 
   1114 			* algor		[WORKING]
   1115 
   1116 			* arc		[WORKING]
   1117 
   1118 			* pmax		[WORKING]
   1119 
   1120 			* playstation2	[WORKING]
   1121 					Needs optimized bus_dmamap_sync().
   1122 
   1123 			* hpcmips	[need verification that this is working]
   1124 					Needs optimized bus_dmamap_sync().
   1125 
   1126 			* sgimips	[WORKING]
   1127 					Needs optimized bus_dmamap_sync().
   1128 
   1129 			* cobalt	[need testing]
   1130 
   1131 			* mipsco	[need testing]
   1132 
   1133 			* newsmips	[need testing]
   1134 
   1135 Branch:		thorpej_scsipi
   1136 Description:	SCSI/ATAPI midlayer rewrite.
   1137 Status:		Terminated; merged to -current
   1138 Start Date:
   1139 End Date:	Apr 25 2001
   1140 Base Tag:	thorpej_scsipi_base, thorpej_scsipi_nbase
   1141 Maintainer:	Manuel Bouyer <bouyer (a] NetBSD.org>,
   1142 		Jason Thorpe <thorpej (a] NetBSD.org>
   1143 Scope:		syssrc
   1144 Notes:		When a change from -current is pulled up please move the
   1145 		thorpej_scsipi_base tag to the revision you're syncing with.
   1146 		thorpej_scsipi_nbase is private to maintainer (only
   1147 		used when syncing the whole branch with HEAD).
   1148 		Just before the merge, syssrc has been tagged with
   1149 		thorpej_scsipi_beforemerge
   1150 
   1151 Branch:		thorpej-signal
   1152 Description:	?
   1153 Status:		?
   1154 Start Date:
   1155 End Date:
   1156 Base Tag:	thorpej-signal-base
   1157 Maintainer:	Jason Thorpe <thorpej (a] NetBSD.org>
   1158 Scope:		kernel
   1159 Notes:
   1160 
   1161 Branch:		thorpej-setroot
   1162 Description:	?
   1163 Status:		Terminated; merged to -current
   1164 Start Date:
   1165 End Date:
   1166 Base Tag:
   1167 Maintainer:	Jason Thorpe <thorpej (a] NetBSD.org>
   1168 Scope:		kernel
   1169 Notes:
   1170 
   1171 Branch:		simonb-timecounters
   1172 Description:	Port FreeBSD timecounters to NetBSD
   1173 Status:		Terminated
   1174 Start Date:	Sat Feb 04 2006
   1175 End Date:	Wed Jun 07 2006
   1176 Base Tag:	simonb-timecounters-base
   1177 Maintainer:	Simon Burge <simonb (a] NetBSD.org>,
   1178 		Frank Kardel <kardel (a] NetBSD.org>
   1179 Scope:		sys, sbin/savecore, usr.bin/vmstat, usr.sbin/ntp
   1180 Notes:		early (partial conversion) commit to -current
   1181 		ok'ed by core@ on 20060605 for testing and further
   1182 		simplified conversion
   1183 
   1184 Branch:		wrstuden-devbsize
   1185 Description:	Modify buffer cache to deal with different devices having
   1186 		different block sizes. Also DEV_BSIZE would go away.
   1187 Status:		Terminated
   1188 Start Date:	Aug or Sept 1999
   1189 End Date:	1 Apr 2000
   1190 Base tag:	wrstuden-devbsize-base
   1191 Maintainer:	Bill Studenmund <wrstuden (a] NetBSD.org>
   1192 Scope:		kernel
   1193 Notes:		No longer active due to lack of time, and introduction
   1194 		of UBC. In terms of UBC, the primary cache for
   1195 		file data is the VM cache, which needs to operate
   1196 		in terms of VM pages. As no existing device has native
   1197 		pages the same size as our VM pages, there already is
   1198 		a mapping going on between the VM system and the
   1199 		underlying blocks. So it would be easier and cleaner
   1200 		to adjust that to deal w/ different block sizes.
   1201 		Also with UBC, all i/o is in terms of bytes at an offset
   1202 		with a certain length, so the exact block size isn't a big
   1203 		deal.
   1204 
   1205 		Any other wrstuden-devbsize tag may (and should) go away.
   1206 
   1207 Branch:		yamt-idlelwp
   1208 Description:	idle lwp, and some changes depending on it.
   1209 
   1210 		1. separate context switching and thread scheduling.
   1211 		   (cf. gmcgarry_ctxsw)
   1212 		2. implement idle lwp.
   1213 		3. clean up related MD/MI interfaces.
   1214 		4. make scheduler(s) modular.
   1215 
   1216 Status:		Terminated; merged to -current
   1217 Start Date:	Fri Feb 17 2007
   1218 End Date:	Thu May 17 2007
   1219 Base Tag:	yamt-idlelwp-base8
   1220 Maintainer:	YAMAMOTO Takashi <yamt (a] NetBSD.org>
   1221 Scope:		src/sys  (src/common is tagged but not branched)
   1222 Notes:		
   1223 		Status of ports:
   1224 		  alpha			[ Done, UP tested, MP not tested ]
   1225 		  i386			[ Done, tested ]
   1226 		  amd64			[ Done, tested ]
   1227 		  mips			[ Done, both MIPS1 and MIPS3 tested]
   1228 		  sparc			[ Done, UP tested, MP might have
   1229 					  some problem after newlock2 merge ]
   1230 		  sparc64		[ Done, tested ]
   1231 		  arm			[ Done, SA1 tested. See PR 36548 ]
   1232 		  macppc/powerpc	[ Done, OEA tested ]
   1233 		  hppa			[ Done, tested ]
   1234 		  sh3			[ Done, tested ]
   1235 		  vax			[ Done, UP tested, MP untested ]
   1236 		  m68k			[ Done, tested on several ports ]
   1237 		  ns32k			[ broken ]
   1238 		  ia64			[ broken ]
   1239 		  pdp10			[ broken ]
   1240 
   1241 		How to adapt a port?
   1242 
   1243 		- unify cpu_switch, cpu_exit, cpu_switchto into
   1244 		  a single cpu_switchto.  see cpu_switchto.9.
   1245 
   1246 		- implement cpu_idle.  see cpu_idle.9.
   1247 
   1248 		- add a flag argument to cpu_need_resched.
   1249 		  handle RESCHED_IMMED flag, which means "cause a preemption
   1250 		  as soon as possible."  eg. in the case of MULTIPROCESSOR,
   1251 		  send an IPI to the target cpu.
   1252 
   1253 		- "curlwp == NULL" is not a valid check for idle state anymore.
   1254 		  use "(curlwp->l_flag & LW_IDLE) != 0" instead.  curlwp is
   1255 		  almost always non-NULL, with exceptions like early on boot.
   1256 
   1257 		- remove idle pcbs.
   1258 
   1259 		- (if MULTIPROCESSOR) tweak processor trampoline code.
   1260 
   1261 		- (if MULTIPROCESSOR) call mi_cpu_attach when attaching
   1262 		  secondary processors.
   1263 
   1264 		- (if schedhz!=0) call schedclock regardless of the value of
   1265 		  curlwp.
   1266 
   1267 		- of course, update MD users of scheduler/switching API.
   1268 
   1269 Branch:		yamt-km, yamt-km-doc
   1270 Description:	simplify/improve kernel memory management and bootstrap
   1271 Status:		Terminated; merged to -current
   1272 Start Date:	Tue Jan 25 2005
   1273 End Date:	Fri Apr  1 2005
   1274 Base Tag:	yamt-km-base{,2,3,4}, yamt-km-doc-base
   1275 Maintainer:	YAMAMOTO Takashi <yamt (a] NetBSD.org>
   1276 Scope:		yamt-km: src/sys
   1277 		yamt-km-doc: src/share/man/man9/uvm.9
   1278 Notes:		http://mail-index.NetBSD.org/tech-kern/2004/12/25/0005.html
   1279 
   1280 		the followings are per-port status.
   1281 		(account names mean "tested by".)
   1282 
   1283 		works enough to go to multiuser:
   1284 			alpha, i386, xen (yamt@)
   1285 			pc532 (simonb@)
   1286 			alpha, i386, mac68k, macppc, pmax, shark,
   1287 			    sparc, sparc64, sun3, x68k (chs@)
   1288 			cobalt, dreamcast, hp300, news68k, newsmips,
   1289 			    sun3x (tsutsui@)
   1290 			amiga (mhitch@)
   1291 			cats, hp700 (skrll@)
   1292 			xen (bouyer@)
   1293 
   1294 		known to have the same problem as trunk:
   1295 			vax (chs@, stuck while running kvm_mkdb)
   1296 
   1297 		known to have a problem:
   1298 			luna68k (and, if any, other m68k ports which use TTR)
   1299 			needs to be revisited.
   1300 			-> for luna68k, although not tested,
   1301 			   Sysmap has been moved to avoid kva conflict with
   1302 			   I/O ranges.
   1303 
   1304 		buildable:
   1305 			src/sys/arch/acorn26/conf/GENERIC
   1306 			src/sys/arch/acorn32/conf/GENERIC
   1307 			src/sys/arch/algor/conf/P6032
   1308 			src/sys/arch/alpha/conf/GENERIC
   1309 			src/sys/arch/alpha/conf/GENERIC.MP
   1310 			src/sys/arch/amd64/conf/GENERIC
   1311 			src/sys/arch/amd64/conf/GENERIC.MP
   1312 			src/sys/arch/amiga/conf/GENERIC
   1313 			src/sys/arch/arc/conf/GENERIC
   1314 			src/sys/arch/atari/conf/MILAN-PCIIDE
   1315 			src/sys/arch/bebox/conf/GENERIC
   1316 			src/sys/arch/cats/conf/GENERIC
   1317 			src/sys/arch/cesfic/conf/GENERIC
   1318 			src/sys/arch/cobalt/conf/GENERIC
   1319 			src/sys/arch/dreamcast/conf/GENERIC
   1320 			src/sys/arch/evbarm/conf/TS7200
   1321 			src/sys/arch/evbppc/conf/WALNUT
   1322 			src/sys/arch/evbsh3/conf/COMPUTEXEVB
   1323 			src/sys/arch/evbsh5/conf/CAYMAN64
   1324 			src/sys/arch/hp300/conf/GENERIC
   1325 			src/sys/arch/hp700/conf/GENERIC
   1326 			src/sys/arch/hpcarm/conf/JORNADA728
   1327 			src/sys/arch/hpcmips/conf/GENERIC
   1328 			src/sys/arch/hpcsh/conf/GENERIC
   1329 			src/sys/arch/hpcsh/conf/HPW650PA
   1330 			src/sys/arch/i386/conf/GENERIC
   1331 			src/sys/arch/i386/conf/GENERIC.MP
   1332 			src/sys/arch/i386/conf/XEN0
   1333 			src/sys/arch/i386/conf/XENU
   1334 			src/sys/arch/ibmnws/conf/GENERIC
   1335 			src/sys/arch/iyonix/conf/GENERIC
   1336 			src/sys/arch/luna68k/conf/GENERIC
   1337 			src/sys/arch/mac68k/conf/GENERIC
   1338 			src/sys/arch/macppc/conf/GENERIC
   1339 			src/sys/arch/macppc/conf/GENERIC.MP
   1340 			src/sys/arch/mipsco/conf/GENERIC
   1341 			src/sys/arch/mmeye/conf/GENERIC
   1342 			src/sys/arch/mvme68k/conf/GENERIC
   1343 			src/sys/arch/netwinder/conf/GENERIC
   1344 			src/sys/arch/news68k/conf/GENERIC
   1345 			src/sys/arch/newsmips/conf/GENERIC
   1346 			src/sys/arch/next68k/conf/GENERIC
   1347 			src/sys/arch/ofppc/conf/GENERIC
   1348 			src/sys/arch/pc532/conf/GENERIC
   1349 			src/sys/arch/pmax/conf/GENERIC
   1350 			src/sys/arch/prep/conf/GENERIC
   1351 			src/sys/arch/sandpoint/conf/GENERIC
   1352 			src/sys/arch/sbmips/conf/GENERIC
   1353 			src/sys/arch/sgimips/conf/GENERIC32_IP3x
   1354 			src/sys/arch/shark/conf/GENERIC
   1355 			src/sys/arch/sparc/conf/GENERIC
   1356 			src/sys/arch/sparc/conf/GENERIC.MP
   1357 			src/sys/arch/sparc64/conf/GENERIC
   1358 			src/sys/arch/sparc64/conf/GENERIC.MP
   1359 			src/sys/arch/sun2/conf/GENERIC
   1360 			src/sys/arch/sun3/conf/GENERIC
   1361 			src/sys/arch/vax/conf/GENERIC
   1362 			src/sys/arch/vax/conf/GENERIC.MP
   1363 			src/sys/arch/x68k/conf/GENERIC
   1364 
   1365 			src/sys/arch/playstation2/conf/GENERIC
   1366 
   1367 Branch:		yamt-pdpolicy
   1368 Description:	play with page replacement policy
   1369 		- separate page replacement policy from the rest of kernel
   1370 		- implement alternative replacement policy
   1371 		- related read-ahead adjustment?
   1372 Status:		Terminated; merged to -current
   1373 Start Date:	Sun Mar  5 2006
   1374 End Date:	Sat Sep 16 2006
   1375 Base Tag:	yamt-pdpolicy-base9
   1376 Maintainer:	YAMAMOTO Takashi <yamt (a] NetBSD.org>
   1377 Scope:		src/sys  (src/common is tagged but not branched)
   1378 Notes:		
   1379 
   1380 Branch:		yamt-readahead
   1381 Description:	play with file readahead
   1382 Status:		Terminated; merged to -current
   1383 Start Date:	Mon Nov 14 2005
   1384 End Date:	Wed Nov 30 2005
   1385 Base Tag:	yamt-readahead-base3
   1386 Maintainer:	YAMAMOTO Takashi <yamt (a] NetBSD.org>
   1387 Scope:		src/sys
   1388 Notes:		
   1389 
   1390 Branch:		yamt-uio_vmspace
   1391 Description:	uio_lwp/uio_segflg -> uio_vmspace
   1392 Status:		Terminated; merged to -current
   1393 Start Date:	Mon Dec 31 2005
   1394 End Date:	Wed Mar  1 2006
   1395 Base Tag:	yamt-uio_vmspace-base5
   1396 Maintainer:	YAMAMOTO Takashi <yamt (a] NetBSD.org>
   1397 Scope:		src/sys
   1398 Notes:		
   1399 
   1400 Branch:		yamt-splraiseipl
   1401 Description:	finish implementing splraiseipl (and makeiplcookie).
   1402 		http://mail-index.NetBSD.org/tech-kern/2006/07/01/0000.html
   1403 
   1404 		- completes workqueue(9) and netbt.
   1405 		- fix PR/33218.
   1406 
   1407 Status:		Terminated; merged to -current
   1408 Start Date:	Mon Sep 18 2006
   1409 End Date:	Fri Dec 22 2006
   1410 Base Tag:	yamt-splraiseipl-base5
   1411 Maintainer:	YAMAMOTO Takashi <yamt (a] NetBSD.org>
   1412 Scope:		src/sys  (src/common is tagged but not branched)
   1413 Notes:		
   1414 		tested (by who):
   1415 			alpha		(yamt)
   1416 			alpha		(pavel)
   1417 			amd64		(reported privately)
   1418 			cobalt		(tsutsui)
   1419 			ews4800mips	(tsutsui)
   1420 			hp300		(tsutsui)
   1421 			hpcarm		(reported privately)
   1422 			i386		(yamt)
   1423 			macppc		(tsutsui)
   1424 			news68k		(tsutsui)
   1425 			sgimips(IP32)	(tsutsui)
   1426 			sparc(sun4c)	(tsutsui)
   1427 			sun2		(tsutsui)
   1428 			sun3		(tsutsui)
   1429 			sun3x		(tsutsui)
   1430 			xen		(yamt)
   1431 
   1432 		compile-tested:
   1433 			acorn26
   1434 			acorn32
   1435 			algor
   1436 			amiga
   1437 			arc
   1438 			atari
   1439 			bebox
   1440 			cats
   1441 			cesfic
   1442 			dreamcast
   1443 			evbarm
   1444 			evbmips
   1445 			evbppc(marvell)
   1446 			evbppc(ibm4xx)
   1447 			evbsh3
   1448 			hp700
   1449 			hpcmips
   1450 			hpcsh
   1451 			ia64
   1452 			ibmnws
   1453 			iyonix
   1454 			landisk
   1455 			luna68k
   1456 			mac68k
   1457 			mmeye
   1458 			mvme68k
   1459 			mvmeppc
   1460 			mipsco
   1461 			netwinder
   1462 			newsmips
   1463 			next68k
   1464 			ofppc
   1465 			pc532
   1466 			pmax
   1467 			pmppc
   1468 			prep
   1469 			sandpoint
   1470 			sbmips
   1471 			shark
   1472 			sparc
   1473 			sparc64
   1474 			vax
   1475 			x68k
   1476 			zaurus
   1477 
   1478 		not tested:
   1479 			pdp10 (i don't know how to build)
   1480 			sh5 (not buildable with an unrelated problem.)
   1481 
   1482     compile  CAYMAN64/netbsd32_sa.o
   1483     cc1: warnings being treated as errors
   1484     /exports/nbsd/src/sys/compat/netbsd32/netbsd32_sa.c: In function 'netbsd32_sa_ucsp':
   1485     /exports/nbsd/src/sys/compat/netbsd32/netbsd32_sa.c:126: warning: implicit declaration of function '_UC_MACHINE32_SP'
   1486     --- netbsd32_sa.o ---
   1487     *** [netbsd32_sa.o] Error code 1
   1488     1 error
   1489 
   1490 		notyet:
   1491 			amigappc
   1492 			playstation2
   1493 
   1494 Branch:		yamt-vop
   1495 Description:	remove several VOPs
   1496 Status:		Terminated; merged to -current
   1497 Start Date:	Wed Oct 19 2005
   1498 End Date:	Wed Nov  2 2005
   1499 Base Tag:	yamt-vop-base3
   1500 Maintainer:	YAMAMOTO Takashi <yamt (a] NetBSD.org>
   1501 Scope:		src/sys
   1502 Notes:		http://mail-index.NetBSD.org/tech-kern/2005/09/27/0000.html
   1503 
   1504 Branch:		yamt-x86pmap
   1505 Description:	merge i386 and amd64 pmap
   1506 Status:		Terminated; merged to -current
   1507 Start Date:	Mon Sep 24 2007
   1508 End Date:	Fri Oct 19 2007
   1509 Base Tag:	yamt-x86pmap-base4
   1510 Maintainer:	YAMAMOTO Takashi <yamt (a] NetBSD.org>
   1511 Scope:		src/sys  (src/common is tagged but not branched)
   1512 Notes:		
   1513 
   1514 Branch:		gdamore-uart
   1515 Description:	Add register table support to com driver.
   1516 Status:		Active
   1517 Start Date:	14 June 2006
   1518 End Date:	13 July 2006
   1519 Base Tag:	gdamore-uart-base
   1520 Maintainer:	Garrett D'Amore <gdamore (a] NetBSD.org>
   1521 Scope:		kernel
   1522 Notes:		Results in consolidation of Alchemy (mips/dev/alchemy/aucom.c)
   1523 		com support, and also removes a nasty hack from Atheros com.
   1524 
   1525 ########################################################################
   1526 # Other:
   1527 ########################################################################
   1528 
   1529 Branch:		magnum
   1530 Description:	?
   1531 Status:		?
   1532 Start Date:
   1533 End Date:
   1534 Base Tag:	magnum-base
   1535 Maintainer:	?
   1536 Scope:		kernel
   1537 Notes:
   1538 
   1539