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Annotation of src/doc/BRANCHES, Revision 1.180

1.180   ! thorpej     1: #      $NetBSD: BRANCHES,v 1.179 2007/04/18 05:58:54 thorpej Exp $
1.1       lukem       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.
1.79      briggs     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: #
1.1       lukem      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
1.10      salo       64: Maintainer:    Release Engineering <releng@NetBSD.org>
1.1       lukem      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
1.10      salo       76: Maintainer:    Release Engineering <releng@NetBSD.org>
1.1       lukem      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
1.10      salo       87: Maintainer:    Release Engineering <releng@NetBSD.org>
1.1       lukem      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
1.10      salo       98: Maintainer:    Release Engineering <releng@NetBSD.org>
1.1       lukem      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
1.10      salo      109: Maintainer:    Release Engineering <releng@NetBSD.org>
1.1       lukem     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
1.13      jmc       116: Status:                Terminated
1.1       lukem     117: Start Date:    1 Apr 2000
                    118: End Date:
                    119: Base Tag:      netbsd-1-4-base
1.10      salo      120: Maintainer:    1.4 Release Engineering <releng-1-4@NetBSD.org>
1.1       lukem     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
1.37      jmc       127: Status:                Terminated
1.1       lukem     128: Start Date:    20 Jun 2000
1.37      jmc       129: End Date:      26 Jan 2005
1.1       lukem     130: Base Tag:      netbsd-1-5-base
1.10      salo      131: Maintainer:    1.5 Release Engineering <releng-1-5@NetBSD.org>
1.1       lukem     132: Scope:         Entire tree.
                    133: Notes:
                    134:                Commits restricted to release engineering.
1.6       lukem     135:
                    136: Branch:                netbsd-1-6
                    137: Description:   The NetBSD 1.6 release branch
1.91      wiz       138: Status:                Terminated
1.7       lukem     139: Start Date:    22 May 2002
1.6       lukem     140: End Date:
                    141: Base Tag:      netbsd-1-6-base
1.10      salo      142: Maintainer:    1.6 Release Engineering <releng-1-6@NetBSD.org>
1.6       lukem     143: Scope:         Entire tree.
                    144: Notes:
                    145:                Commits restricted to Release Engineering.
1.1       lukem     146:
1.88      riz       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@NetBSD.org>
                    154: Scope:         Entire tree. (src + xsrc)
                    155: Notes:
                    156:                Commits restricted to Release Engineering.
                    157:
1.13      jmc       158: Branch:                netbsd-2-0
1.37      jmc       159: Description:   Originally the NetBSD 2.0 release branch and now the branch
                    160:                tracking security/critical fixes for the NetBSD 2.0 series
1.13      jmc       161: Status:                Active
1.37      jmc       162: Start Date:    28 Mar 2004 and changed for security/critical function on
                    163:                        23 Dec 2004
1.13      jmc       164: End Date:
                    165: Base Tag:      netbsd-2-0-base
                    166: Maintainer:    2.0 Release Engineering <releng-2-0@NetBSD.org>
                    167: Scope:         Entire tree. (src + xsrc)
1.37      jmc       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:
1.88      riz       173: Branch:                netbsd-2-1
                    174: Description:   Tracking security/critical fixes for NetBSD 2.1
1.37      jmc       175: Status:                Active
1.88      riz       176: Start Date:     26 Oct 2005
1.37      jmc       177: End Date:
1.88      riz       178: Base Tag:      netbsd-2-1-RELEASE
1.37      jmc       179: Maintainer:    2 Release Engineering <releng-2@NetBSD.org>
                    180: Scope:         Entire tree. (src + xsrc)
1.88      riz       181: Notes:         Branch contains only security/critical fixes to
                    182:                NetBSD 2.1.  For new features, use netbsd-2 branch.
1.13      jmc       183:                Commits restricted to Release Engineering.
                    184:
1.36      jmc       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
1.37      jmc       191: Maintainer:    3 Release Engineering <releng-3@NetBSD.org>
1.36      jmc       192: Scope:         Entire tree. (src + xsrc)
                    193: Notes:
                    194:                Commits restricted to Release Engineering.
1.1       lukem     195:
1.88      riz       196: Branch:                netbsd-4
                    197: Description:   The NetBSD 4 release branch
1.51      riz       198: Status:                Active
1.88      riz       199: Start Date:    8 Aug 2006
1.51      riz       200: End Date:
1.88      riz       201: Base Tag:      netbsd-4-base
                    202: Maintainer:    4 Release Engineering <releng-4@NetBSD.org>
1.51      riz       203: Scope:         Entire tree. (src + xsrc)
1.88      riz       204: Notes:
1.51      riz       205:                Commits restricted to Release Engineering.
                    206:
1.79      briggs    207: ########################################################################
                    208: # Individual developers' branches (Active/Dormant):
                    209: ########################################################################
1.4       bjh21     210:
1.158     yamt      211: Branch:                ad-audiomp
                    212: Description:   Add MP locking to the audio drivers
                    213: Status:                Active
1.161     ad        214: Start Date:    28 Febuary 2007
1.158     yamt      215: End Date:
                    216: Base Tag:      ad-audiomp-base
                    217: Maintainer:    Andrew Doran <ad@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 initializtion, 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:
1.4       bjh21     245: Branch:                bjh21-hydra
                    246: Description:   Simtec Hydra support and ARM SMP in general
1.90      bjh21     247: Status:                Dormant
1.4       bjh21     248: Start Date:    18 Oct 2002
                    249: End Date:
                    250: Base Tag:      bjh21-hydra-base
1.10      salo      251: Maintainer:    Ben Harris <bjh21@NetBSD.org>
1.4       bjh21     252: Scope:         sys/arch/arm sys/arch/acorn32
1.90      bjh21     253: Notes:         This code was on a branch because it involves changes to
1.4       bjh21     254:                cpuswitch.S which would otherwise make merging the
1.90      bjh21     255:                nathanw_sa branch difficult.
1.1       lukem     256:
1.79      briggs    257: Branch:                gmcgarry_ctxsw
                    258: Description:   Separate scheduler from context-switch code
                    259: Status:                Dormant
                    260: Start Date:    18 December 2002
                    261: End Date:
                    262: Base Tag:      gmcgarry_ctxsw_base
                    263: Maintainer:    Gregory McGarry <gmcgarry@NetBSD.org>
                    264: Scope:         kernel
                    265: Notes:         Removing knowledge of the schedular and its run queues
                    266:                from the machine-dependent context switch code is the
                    267:                first step in cleaning up the scheduler.  It is necessary
                    268:                for the newlock branch, making the scheduler SMP friendly,
                    269:                adding real-time scheduler extensions, and reducing the
                    270:                number of code paths for LWP and proc switching.
                    271:
                    272: Branch:                gmcgarry_ucred
                    273: Description:   Integrate and encapsulate user credentials
                    274: Status:                Dormant
                    275: Start Date:    18 December 2002
                    276: End Date:
                    277: Base Tag:      gmcgarry_ucred_base
                    278: Maintainer:    Gregory McGarry <gmcgarry@NetBSD.org>
                    279: Scope:         kernel
                    280: Notes:         merge pcred and ucred and poolify
                    281:
                    282: Branch:                kame
                    283: Description:   KAME Project
                    284: Status:                Dormant
                    285: Start Date:    28 Jun 1999
                    286: End Date:
                    287: Base Tag:
                    288: Maintainer:    Jun-ichiro itojun Hagino <itojun@NetBSD.org>
                    289: Scope:         kernel
                    290: Notes:         http://www.kame.net
                    291:                Used for "reference" purposes for early part of KAME
                    292:                integration effort.  The branch is not actively used, as I
                    293:                (itojun) use patch(1) and diff(1) for the KAME syncs.
                    294:
                    295: Branch:                kent-audio2
                    296: Description:   In-kernel audio mixer
                    297: Status:                Active
                    298: Start Date:    Sun Jan 16 2005
                    299: End Date:
                    300: Base Tag:      kent-audio2-base
                    301: Maintainer:    TAMURA Kent <kent@NetBSD.org>
                    302: Scope:         kernel (audio device drivers)
                    303: Notes:         http://mail-index.netbsd.org/tech-kern/2004/12/03/0007.html
                    304:                Please consult with the maintainer before committing
                    305:                to this branch.
                    306:                This branch is not expected to be compilable yet.
                    307:
                    308: Branch:                matt-timespec
                    309: Description:   Convert the kernel to struct timespec as its primary time
                    310:                storage mechanism.
                    311: Status:                Active
                    312: Start Date:    2005-02-19
                    313: End Date:
                    314: Base Tag:
                    315: Maintainer:    Matt Thomas <matt@NetBSD.org>
                    316: Scope:         kernel
                    317: Notes:
                    318:
                    319: Branch:                newlock
                    320: Description:   New locking primitives, based on Solaris's
1.154     ad        321: Status:                Terminated
1.79      briggs    322: Start Date:    March 9, 2002
1.154     ad        323: End Date:      Febuary 12, 2007
1.79      briggs    324: Base Tag:      newlock-base
                    325: Maintainer:    Jason R. Thorpe <thorpej@NetBSD.org>
                    326: Scope:         Kernel
                    327: Notes:         The goal is to replace the existing lockmgr() and
                    328:                simple_lock() based locking mechanisms with the
                    329:                primitives found in Solaris: mutexes and rwlocks.
1.154     ad        330:                Superseeded by the newlock2 branch.
1.79      briggs    331:
1.94      ad        332: Branch:                newlock2
                    333: Description:   New locking primitives, based on Solaris's
1.154     ad        334: Status:                Terminated
1.94      ad        335: Start Date:    September 9, 2006
1.154     ad        336: End Date:      Febuary 12, 2007
1.94      ad        337: Base Tag:      newlock2-base
                    338: Maintainer:    Andrew Doran <ad@NetBSD.org>
                    339: Scope:         Kernel
                    340: Notes:         As per the newlock branch, however given the amount of time
                    341:                the original branch has lain dormant, a new one has been
1.154     ad        342:                created.  Goals:
1.95      wiz       343:                - Implement new locking primitives on most-used ports.
1.94      ad        344:                - Minor locking improvements.
                    345:                - Remove spinlockmgr().
                    346:
1.79      briggs    347: Branch:                pkgviews
                    348: Description:   package views, enabling multiple conflicting packages to co-exist
                    349: Status:                Active
                    350: Start Date:    22 July 2002
                    351: End Date:
                    352: Base Tag:      pkgviews
                    353: Maintainer:    Alistair Crooks <agc@NetBSD.org>
                    354: Scope:         pkgsrc, basesrc/usr.sbin/pkg_install
                    355: Notes:         A more flexible infrastructure for third-party packages by
                    356:                allowing multiple conflicting packages and versions to co-exist
                    357:                within the same tree
                    358:
                    359: Branch:                rpaulo-netinet-merge-pcb
                    360: Description:   merge in6pcb with inpcb
1.133     rpaulo    361: Status:                Dormant
1.79      briggs    362: Start Date:    Wed Feb 01 2006
                    363: End Date:
                    364: Base Tag:      rpaulo-netinet-merge-pcb-base
                    365: Maintainer:    Rui Paulo <rpaulo@NetBSD.org>
                    366: Scope:         src/sys
1.135     rpaulo    367: Notes:         No longer active due to the lack of time. If you plan to
                    368:                continue this branch, sys/netinet/in_pcb.h already contains
                    369:                the proposed structure layout (which was roughly discussed
                    370:                in the tech-net mailing list).
                    371:                I also defined INP_*() macros to mimicate FreeBSD's inpcb
                    372:                locking style, but currently they do nothing and are not
                    373:                yet called at the correct places (needs discussion about
                    374:                kernel fine-grained locking).
                    375:                To continue this branch, one needs to read all the relevant
                    376:                inpcb/in6pcb source files and change the function names,
                    377:                structure names, structure fileds according to the new
                    378:                layout (in6pcb is gone).
                    379:                Don't try to build a kernel from this branch because it won't
                    380:                work. The missing pieces required to do a complete build
                    381:                were not committed because they were incomplete and generated
                    382:                panics.
                    383:                You shouldn't need to worry about KAME syncs because
                    384:                they did most of them by now.
                    385:                After the work is done, you are required to test the branch
                    386:                (before the merge to -current) with an interop IPv6 test.
                    387:                More info at: http://www.tahi.org/
1.79      briggs    388:
                    389: Branch:                rtr-xorg-branch
                    390: Description:   xorg & static build alterations to src/x11
                    391: Status:                Active
                    392: Start Date:    Nov 15 2004
                    393: End Date:
                    394: Base tag:      rtr-xorg-branch-base
                    395: Maintainer:    Tyler R. Retzlaff <rtr@NetBSD.org>
                    396: Scope:         x11
                    397:                distrib/sets/lists
                    398:                share/mk/bsd.x11.mk
                    399:                share/mk/bsd.own.mk
                    400:                etc/mtree/NetBSD.dist
                    401: Notes:         Requires parts of xsrc/xfree (HEAD)
                    402:                xsrc/local, xsrc/xfree/xc/programs/Xserver/hw/netbsd
                    403:                Requires xorg (XORG-6_8_1)
                    404:
1.161     ad        405: Branch:                vmlocking
                    406: Description:   Make memory allocators and trap handling MP safe
                    407: Status:                Active
                    408: Start Date:    13 March 2007
                    409: End Date:
                    410: Base Tag:      vmlocking-base
                    411: Maintainer:    Andrew Doran <ad@NetBSD.org>
                    412: Scope:         kernel
                    413: Notes:
                    414:                - Replace all simplelocks with mutexes
                    415:                - Remove spinlockmgr
                    416:                - Make memory allocators MP safe
1.162     ad        417:                - Make trap handling MP safe: push kernel lock acquire
                    418:                  back into pager ops.
                    419:
                    420:                Only i386 is currently update.  Most per architecture
                    421:                changes need to be made in the pmap module.  LFS is not
                    422:                currently stable due interaction between the pagedaemon (?)
                    423:                and the HOLDRELE() in lfs_segment.c.  It may trash your
                    424:                filesystem..
1.161     ad        425:
                    426:                Most of the locks replaced are now sleep/adaptive locks or
                    427:                spin locks at IPL_VM.  Assuming audio interrupt handlers
                    428:                are made MP safe there are far fewer potential deadlocks
                    429:                against the kernel lock.
                    430:
                    431:                v_interlock becomes an adaptive mutex so now acquring
                    432:                it can potentially block, similarly for other locks
                    433:                that were before simplelocks.  This needs to be audited
                    434:                carefully.
                    435:
                    436:                Use vnodes in general needs to be audited, as vnodes can
                    437:                now be inspected without the kernel lock held.
                    438:
                    439:                Acquiring locks in the pmap module can now block, meaning
                    440:                that the current pmap, cpu or lazy pmap status can change
                    441:                out from underneath the requestor.  This also needs to be
                    442:                audited.
                    443:
                    444:                Currently, i386 has the necessary modifications, and has
                    445:                trap handling and a few calls to allocators out from under
                    446:                the kernel lock.  There are still problems that need to be
                    447:                debugged.
                    448:
                    449:                Need to check that whenever a lock is initialized, it is
                    450:                also destroyed.
                    451:
                    452:                Lots of testing required.
                    453:
1.153     yamt      454: Branch:                yamt-idlelwp
                    455: Description:   idle lwp, and some changes depending on it.
                    456:
                    457:                1. separate context switching and thread scheduling.
                    458:                   (cf. gmcgarry_ctxsw)
                    459:                2. implement idle lwp.
                    460:                3. clean up related MD/MI interfaces.
1.173     ad        461:                4. make scheduler(s) modular.
1.153     yamt      462:
                    463: Status:                Active
                    464: Start Date:    Fri Feb 17 2007
                    465: End Date:
1.177     yamt      466: Base Tag:      yamt-idlelwp-base5
1.153     yamt      467: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                    468: Scope:         src/sys  (src/common is tagged but not branched)
                    469: Notes:
1.166     rmind     470:                Status of ports (minimal goals):
1.167     yamt      471:                  alpha                 [ Done,
                    472:                                          UP tested, MP not tested ]
                    473:                  i386                  [ Done, tested ]
                    474:                  amd64                 [ Done, tested ]
                    475:                  mips                  [ WIP ]
1.171     rmind     476:                  sparc                 [ WIP ]
                    477:                  sparc64               [ WIP ]
1.170     skrll     478:                  arm                   [ Done.
                    479:                                          SA1 tested. ]
1.172     matt      480:                  macppc/powerpc        [ Done, OEA tested ]
1.178     skrll     481:                  hppa                  [ Done, tested ]
1.169     uwe       482:                  sh3                   [ Done, tested ]
1.172     matt      483:                  vax                   [ Done, UP tested, MP untested ]
1.166     rmind     484:
                    485:                How to adapt a port?
1.165     yamt      486:
                    487:                - unify cpu_switch, cpu_exit, cpu_switchto into
                    488:                  a single cpu_switchto.  see cpu_switchto.9.
                    489:
                    490:                - implement cpu_idle.  see cpu_idle.9.
                    491:
                    492:                - add a flag argument to cpu_need_resched.
                    493:                  handle RESCHED_IMMED flag, which means "cause a preemption
                    494:                  as soon as possible."  eg. in the case of MULTIPROCESSOR,
                    495:                  send an IPI to the target cpu.
                    496:
                    497:                - "curlwp == NULL" is not a valid check for idle state anymore.
                    498:                  use "(curlwp->l_flag & LW_IDLE) != 0" instead.  curlwp is
                    499:                  almost always non-NULL, with exceptions like early on boot.
                    500:
                    501:                - remove idle pcbs.
                    502:
1.167     yamt      503:                - (if MULTIPROCESSOR) tweak processor trampoline code.
                    504:
                    505:                - (if MULTIPROCESSOR) call mi_cpu_attach when attaching
                    506:                  secondary processors.
1.165     yamt      507:
                    508:                - (if schedhz!=0) call schedclock regardless of the value of
                    509:                  curlwp.
                    510:
                    511:                - of course, update MD users of scheduler/switching API.
1.153     yamt      512:
1.79      briggs    513: Branch:                yamt-lazymbuf
                    514: Description:   implement and evaluate lazy mapping of mbuf external data pages
1.92      yamt      515:                it's intended as the first step of larger changes.
                    516:                        1. support operations (esp. bus_dma load) on
                    517:                           unmapped mbuf.
                    518:                        2. unify mbuf and buf.
                    519:                           (or, at least some parts of them)
                    520:                        3. then it should be trivial to implement
                    521:                           i/o coalescing, etc.
1.79      briggs    522: Status:                Active
                    523: Start Date:    Wed Jul  6 2005
                    524: End Date:
1.157     yamt      525: Base Tag:      yamt-lazymbuf-base4
1.79      briggs    526: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
1.152     yamt      527: Scope:         src/sys  (src/common is tagged but not branched)
1.79      briggs    528: Notes:
                    529:
1.163     reinoud   530: Branch:                reinoud-bufcleanup
1.164     reinoud   531: Description:   implement and evaluate struct buf usage cleanup strategies.
                    532:                Ideas currently in mind (preference for b):
                    533:                a)
1.163     reinoud   534:                        1. use of bio_ops per buffer.
                    535:                        2. allow chaining/overloading of functions in bio_ops
                    536:                           and provide some private context.
                    537:                        3. extend the bio_ops with commenly used functionality
                    538:                           like pending action counting, custom context passing,
                    539:                           last minute processing of buffer data, buffer cache
                    540:                           etc.
                    541:                        4. investigate the use of the kcont()
                    542:                           continuation-passing framework for async io
                    543:                           completion notification for bufs
1.164     reinoud   544:                        ...
                    545:                b)
                    546:                        1. all sequencing use of B_CALL replaced by
                    547:                           device-threads, if possible generic code around BUFQ
                    548:                        2. possibly use kcont() for async IO finished signalling
                    549:                        3. counter of pending and queued actions requestable
                    550:                           by IOCTL interface?
                    551:                        4. implement `last minute buffer fixup' calls and maybe
                    552:                           even finished I/O calls as vnode operations
                    553:                        ...
1.163     reinoud   554: Status:                Active
                    555: Start Date:    Thu Mar 15 2007
                    556: End Date:
                    557: Base Tag:      reinoud-bufcleanup-base
                    558: Maintainer:    Reinoud Zandijk <reinoud@NetBSD.org>
                    559: Scope:         src/sys and src/common
                    560: Notes:         Used as expiriment sandbox and if successful hopefully one day
                    561:                to be intergrated.
                    562:
1.175     thorpej   563: Branch:                thorpej-atomic
                    564: Description:   Implementation of an atomic memory operations API modeled
                    565:                after the one in Solaris 10.
                    566: Status:                Active
                    567: Start Date:    Apr 11 2007
                    568: End Date:
                    569: Base tag:      thorpej-atomic-base
                    570: Maintainer:    Jason Thorpe <thorpej@netbsd.org>
                    571: Scope:         src/common
                    572:                src/sys
1.176     thorpej   573: Notes:         Base atomic primitives need to be implemented for
                    574:                all of the supported architectures:
                    575:
1.179     thorpej   576:                alpha           DONE
1.180   ! thorpej   577:                arm             DONE
1.176     thorpej   578:                hppa
1.179     thorpej   579:                i386            DONE
1.176     thorpej   580:                ia64
                    581:                m68k
                    582:                mips
                    583:                ns32k
                    584:                powerpc
                    585:                powerpc64
                    586:                sh3
                    587:                sparc
                    588:                sparc64
                    589:                vax
1.179     thorpej   590:                x86_64          DONE
                    591:
                    592:                Tested:
                    593:
                    594:                alpha           NO
                    595:                arm             NO
                    596:                hppa            NO
                    597:                i386            NO
                    598:                ia64            NO
                    599:                m68k            NO
                    600:                mips            NO
                    601:                ns32k           NO
                    602:                powerpc         NO
                    603:                powerpc64       NO
                    604:                sh3             NO
                    605:                sparc           NO
                    606:                sparc64         NO
                    607:                vax             NO
                    608:                x86_64          NO
                    609:
                    610:                TODO:
                    611:
                    612:                all             - Need to replace mb_*() with membar_*().
1.180   ! thorpej   613:
        !           614:                arm             - Consider using a RAS technique like
        !           615:                                  MIPS uses for _lock_cas() and the mutex
        !           616:                                  stubs.  Possibly do more than one atomic
        !           617:                                  op as a RAS.  Possibly implement mutex
        !           618:                                  stubs using the technique.
1.179     thorpej   619:
                    620:                i386            - Need to change when x86_patch() is called
                    621:                                  so we can test ncpus.
                    622:
                    623:                x86_64          - Need to change when x86_patch() is called
                    624:                                  so we can test ncpus.
1.79      briggs    625:
                    626: ########################################################################
                    627: # Individual developers' branches (Terminated):
                    628: ########################################################################
                    629:
1.1       lukem     630: Branch:                bouyer-scsipi
                    631: Description:   Integration of atapi support
                    632: Status:                Terminated
                    633: Start Date:
                    634: End Date:
                    635: Base Tag:
1.10      salo      636: Maintainer:    Manuel Bouyer <bouyer@NetBSD.org>
1.1       lukem     637: Scope:         kernel
                    638: Notes:         Superseded by thorpej_scsipi
                    639:
1.79      briggs    640: Branch:                bouyer-xen2
                    641: Description:   update xen port to xen 2.0, with support for domain0 operations
                    642: Status:                Terminated
                    643: Start Date:    Dec 13 2004
                    644: End Date:      Mar 10 2005
                    645: Base Tag:      netbsd-2-base
                    646: Maintainer:    Manuel Bouyer <bouyer@NetBSD.org>
                    647: Scope:         src/sys/arch/xen
                    648: Notes:
                    649:
1.87      chap      650: Branch:        chap-midi
                    651: Description:   Renovation of MIDI support
                    652: Status:        Terminated; merged to -current
                    653: Start Date:    19 May 2006
                    654: End Date:      30 Jun 2006
                    655: Base Tag:      chap-midi-base
                    656: Maintainer:    Chapman Flack <chap@NetBSD.org>
                    657: Scope:         sys, share/man, usr.bin
                    658: Notes:
                    659:
1.1       lukem     660: Branch:                chs-ubc
1.44      chs       661: Description:   Unified Buffer Cache
                    662: Status:                Terminated
1.1       lukem     663: Start Date:
                    664: End Date:
                    665: Base Tag:      chs-ubc-base
1.10      salo      666: Maintainer:    Chuck Silvers <chs@NetBSD.org>
1.1       lukem     667: Scope:         kernel
                    668: Notes:
                    669:
                    670: Branch:                chs-ubc2
1.44      chs       671: Description:    Unified Buffer Cache
                    672: Status:                Terminated; merged to -current
1.1       lukem     673: Start Date:
                    674: End Date:
                    675: Base Tag:      chs-ubc2-base, chs-ubc2-newbase
1.10      salo      676: Maintainer:    Chuck Silvers <chs@NetBSD.org>
1.1       lukem     677: Scope:         kernel
                    678: Notes:
                    679:
                    680: Branch:                cjs-build-against-obj-dir
                    681: Description:   ?
                    682: Status:                ?
                    683: Start Date:
                    684: End Date:
                    685: Base Tag:
1.10      salo      686: Maintainer:    Curt Sampson <cjs@NetBSD.org>
1.1       lukem     687: Scope:         Entire tree.
                    688: Notes:
                    689:
                    690: Branch:                eeh-paddr_t
1.44      chs       691: Description:   use separate types for virtual vs. physical addresses
                    692: Status:                Terminated; merged to -current
1.1       lukem     693: Start Date:
                    694: End Date:
                    695: Base Tag:      eeh-paddr_t-base
1.10      salo      696: Maintainer:    Eduardo Horvath <eeh@NetBSD.org>
1.1       lukem     697: Scope:         kernel
1.44      chs       698: Notes:         This is needed to support 32-bit kernels on sparc64.
1.1       lukem     699:
1.79      briggs    700: Branch:                elad-kernelauth
                    701: Description:   Native NetBSD implementation of Apple's kernel authorization
                    702:                based on TN2127. This is a "clean-room" implementation to
                    703:                avoid any licensing issues.
                    704: Status:                Terminated; merged to -current
                    705: Start Date:    Tue Mar  7 2006
                    706: End Date:      Mon May 15 2006
                    707: Base Tag:      elad-kernelauth-base
                    708: Maintainer:    Elad Efrat <elad@NetBSD.org>
                    709: Scope:         src/sys, src/share/man/man9/Makefile,
                    710:                src/share/man/man9/kauth.h, src/distrib/sets/lists/comp/mi
                    711: Notes:
                    712:
1.1       lukem     713: Branch:                fvdl-softdep
                    714: Description:   FFS soft dependencies
1.44      chs       715: Status:                Terminated; merged to -current
1.1       lukem     716: Start Date:
                    717: End Date:
                    718: Base Tag:      fvdl-softdep-base
1.10      salo      719: Maintainer:    Frank van der Linden <fvdl@NetBSD.org>
1.1       lukem     720: Scope:         kernel
                    721: Notes:
                    722:
                    723: Branch:                gehenna-devsw
                    724: Description:   auto-generation of devsw table
                    725: Status:                Terminated
                    726: Start Date:    16 May 2002
                    727: End Date:      6 Sep 2002
                    728: Base Tag:      gehenna-devsw-base
1.10      salo      729: Maintainer:    MAEKAWA Masahide <gehenna@NetBSD.org>
1.1       lukem     730: Scope:         syssrc
                    731: Notes:         The goal is to get rid of the existing device switch tables in
                    732:                port-dependent conf.c and to generate them dynamically by
                    733:                config(8).
1.8       gmcgarry  734:
1.1       lukem     735: Branch:                is-newarp
1.23      is        736: Description:   ARP for non-Ethernet
                    737: Status:                Terminated; merged before NetBSD 1.3
                    738: Start Date:    1996/10/13
                    739: End Date:      1997/03/15
1.1       lukem     740: Base Tag:      is-newarp-base
1.10      salo      741: Maintainer:    Ignatios Souvatzis <is@NetBSD.org>
1.1       lukem     742: Scope:         kernel
                    743: Notes:
                    744:
                    745: Branch:                kenh-if-detach
                    746: Description:   Interface detach support.
                    747: Status:                ?
                    748: Start Date:
                    749: End Date:
                    750: Base Tag:      kenh-if-detach-base
1.10      salo      751: Maintainer:    Ken Hornstein <kenh@NetBSD.org>
1.1       lukem     752: Scope:         kernel
                    753: Notes:
                    754:
1.16      kent      755: Branch:                kent-audio1
                    756: Description:   Audio converter pipeline
1.18      kent      757: Status:                Terminated; merged to -current
1.16      kent      758: Start Date:    Tue Dec  7 2004
1.17      kent      759: End Date:      Tue Jan 11 2005
                    760: Base Tag:      kent-audio1-base
                    761: Maintainer:    TAMURA Kent <kent@NetBSD.org>
                    762: Scope:         kernel (audio device drivers)
                    763: Notes:         http://mail-index.netbsd.org/tech-kern/2004/12/03/0007.html
                    764:                Please consult with the maintainer before committing
                    765:                to this branch.
                    766:
1.1       lukem     767: Branch:                kqueue
                    768: Description:   kqueue kernel event notification mechanism (from FreeBSD)
1.5       jdolecek  769: Status:                Terminated; merged to -current
1.1       lukem     770: Start Date:    Tue Jul 10 23:08:38 EST 2001
1.5       jdolecek  771: End Date:      Tue Oct 24 09:14:14 GMT 2002
1.1       lukem     772: Base Tag:      kqueue-base
                    773: Maintainer:    Jaromir Dolecek <jdolecek@NetBSD.org>
                    774: Scope:         kernel, libc/sys, share/man/man9, usr.bin/fstat
                    775: Notes:         Integration of FreeBSD's kqueue(2) mechanism, with various
                    776:                local internal changes to better suit NetBSD, and
                    777:                enhancements such as looking up filters by name or
                    778:                number, and dynamic registration of "user" filters.
                    779:                The work is complete as is, but is awaiting more
                    780:                feedback from various kernel gurus before going mainline.
1.11      skrll     781:
                    782: Branch:                ktrace-lwp
                    783: Description:   ktrace support for lwp ids.
1.59      skrll     784: Status:                Terminated; merged to -current
1.11      skrll     785: Start Date:    Wed Jul  2 15:27:30 UTC 2003
1.59      skrll     786: End Date:      Sun Dec 11 12:25:29 UTC 2005
1.11      skrll     787: Base Tag:      ktrace-lwp-base
1.12      grant     788: Maintainer:    Darren Reed <darrenr@NetBSD.org>
1.11      skrll     789: Scope:         sys
                    790: Notes:
1.1       lukem     791:
                    792: Branch:                marc-pcmcia
                    793: Description:   PCMCIA support
                    794: Status:                Terminated; merged to -current
                    795: Start Date:
                    796: End Date:
                    797: Base Tag:      marc-pcmcia-base, marc-pcmcia-bp
1.10      salo      798: Maintainer:    Marc Horowitz <marc@NetBSD.org>
1.1       lukem     799: Scope:         kernel
                    800: Notes:
                    801:
                    802: Branch:                minoura_x68k_bus_h
                    803: Description:   bus_space(9) and bus_dma(9) implementation for x68k
                    804: Status:                Terminated; merged to -current
                    805: Start Date:    23 Dec 1998
                    806: End Date:      16 Mar 1999
                    807: Base Tag:      minoura_x68k_bus_h-base
1.10      salo      808: Maintainer:    Minoura Makoto <minoura@NetBSD.org>
1.1       lukem     809: Scope:         sys/arch/x68k
                    810: Notes:
                    811:
                    812: Branch:                minoura-xpg4dl
                    813: Description:   Citrus Project locale subsystem
                    814: Status:                Terminated; (partly) merged to -current
                    815: Start Date:    28 March 2000
                    816: End Date:
                    817: Base Tag:      minoura-xpg4dl-base
1.10      salo      818: Maintainer:    Minoura Makoto <minoura@NetBSD.org>
1.1       lukem     819: Scope:         basesrc, syssrc, sharesrc
                    820: Notes:         Citrus Project is developing dynamically-loadable, codeset-
                    821:                independent locale subsystem.  Part of the implementation
                    822:                (LC_CTYPE) called XPG4DL is now integrated to -current.
                    823:
1.160     mjf       824: Branch:                mjf-ufs-trans
                    825: Description:   filesystem transactions for ufs
                    826: Status:                Active
                    827: Start Date:    12 March 2007
                    828: End Date:
                    829: Base Tag:      mjf-ufs-trans-base
                    830: Maintainer:    Matt Fleming <mjf@NetBSD.org>
                    831: Scope:         kernel
                    832: Notes:
                    833:
1.1       lukem     834: Branch:                mrg-vm-swap
1.49      mrg       835: Description:   dynamic swap allocation, swap-to-files support
                    836: Status:                Terminated; abondoned for mrg-vm-swap2
                    837: Start Date:    12 February 1997
                    838: End Date:      15 March 1997
                    839: Base Tag:      [none]
                    840: Maintainer:    Matthew R. Green <mrg@NetBSD.org>
                    841: Scope:         kernel
                    842: Notes:
                    843:
                    844: Branch:                mrg-vm-swap2
                    845: Description:   dynamic swap allocation, swap-to-files support
                    846: Status:                Terminated; merged to -current
                    847: Start Date:    4 May 1997
                    848: End Date:      12 June 1997
                    849: Base Tag:      mrg-vm-swap2-base
1.10      salo      850: Maintainer:    Matthew R. Green <mrg@NetBSD.org>
1.1       lukem     851: Scope:         kernel
                    852: Notes:
                    853:
                    854: Branch:                nathanw_sa
                    855: Description:   Scheduler activations
1.44      chs       856: Status:                Terminated; merged to -current
1.1       lukem     857: Start Date:    5 March 2001
1.9       thorpej   858: End Date:      18 January 2003
1.1       lukem     859: Base Tag:      nathanw_sa_base
1.10      salo      860: Maintainer:    Nathan Williams <nathanw@NetBSD.org>
1.1       lukem     861: Scope:         kernel, libc, libkvm, libpthread, libpthread_dbg, include,
                    862:                bin/ps usr.bin/systat usr.bin/top usr.bin/w
                    863:                gnu/dist/toolchain/gdb gnu/usr.bin/gdb
                    864: Notes:         The idea of scheduler activations is described in the
                    865:                classic paper by Anderson et al., in ACM Transactions
                    866:                a on Computer Systems volume 10 issue 1 (1992),which
                    867:                can be found at
                    868:                http://www.acm.org/pubs/citations/journals/tocs/1992-10-1/p53-anderson/
                    869:                Many ideas in the implementation are based on the
                    870:                implementation of scheduler activations added to Mach
                    871:                3.0 and described by Davis et al. in the University of
                    872:                Washington CS tech report 92-08-93, which can be found
                    873:                at
                    874:                ftp://ftp.cs.washington.edu/tr/1992/08/UW-CSE-92-08-03.PS.Z
                    875:
                    876:                My USENIX paper on the subject can be found at
                    877:                http://web.mit.edu/nathanw/www/usenix/
                    878:
                    879:                Please consult with the maintainer before committing
                    880:                to this branch.
                    881:                Other tags starting with nathanw_sa reserved for
                    882:                branch management and are not guaranteed to be stable.
1.9       thorpej   883:
                    884:                Trunk tagged with "nathanw_sa_before_merge" prior to
                    885:                merging branch down to trunk.  Branch tagged with
                    886:                "nathanw_sa_end" to indicate the ending revision of
                    887:                the branch.
1.1       lukem     888:
                    889: Branch:                perseant-lfsv2
                    890: Description:   LFS incompatible on-disk data structure changes
                    891: Status:                Terminated
                    892: Start Date:    27 June 2001
                    893: End Date:      16 July 2001
                    894: Base Tag:      perseant-lfsv2-base
1.10      salo      895: Maintainer:    Konrad Schroder <perseant@NetBSD.org>
1.1       lukem     896: Scope:         basesrc/{sbin/*lfs,libexec/lfs_cleanerd,usr.sbin/dumplfs}, syssrc/sys/ufs
                    897: Notes:         This branch should be short-lived, I expect to merge as soon
                    898:                as the data structures required for unremove are in and tested.
                    899:
1.174     thorpej   900: Branch:                thorpej-devvp
                    901: Description:   replace dev_t with struct vnode * in devsw entry points
                    902: Status:                Terminated
                    903: Start Date:    Sep 6 2001
                    904: End Date:      ???
                    905: Base Tag:      thorpej-devvp-base
                    906: Maintainer:    Jason Thorpe <thorpej@NetBSD.org>
                    907: Scope:         syssrc
                    908: Notes:         Kernels built from this branch are not expected
                    909:                to function correctly at this time.
                    910:
                    911:                Ports known to compile on this branch:
                    912:                        alpha
                    913:                        i386
                    914:
1.118     peter     915: Branch:                peter-altq
                    916: Description:   New ALTQ framework:
                    917:                - sync with KAME sources
                    918:                - share mtag/name mapping functions
                    919:                - separate altq + pf attachment
                    920: Status:                Terminated; merged to -current
                    921: Start Date:    March 16, 2006
                    922: End Date:      October 12, 2006
                    923: Base Tag:      peter-altq-base
                    924: Maintainer:    Peter Postma <peter@NetBSD.org>,
                    925:                Martin Husemann <martin@NetBSD.org>,
                    926:                Matthias Scheler <tron@NetBSD.org>
                    927: Scope:         dist/pf dist/ipf distrib/sets/lists sys usr.sbin/altq
                    928: Notes:         Only the first item in the description was finished
                    929:                in this branch.
                    930:
1.1       lukem     931: Branch:                sommerfeld_i386mp_1
                    932: Description:   Multiprocessor support for i386 using Intel MP BIOS.
1.3       sommerfe  933: Status:                Terminated; merged to -current
1.1       lukem     934: Start Date:    21 Feb 2000
1.2       fvdl      935: End Date:      01 Oct 2002
1.1       lukem     936: Base Tag:      sommerfeld_i386mpbase_1
1.10      salo      937: Maintainer:    Bill Sommerfeld <sommerfeld@NetBSD.org>
1.1       lukem     938: Scope:         sys/arch/i386
                    939: Notes:
                    940:                Code committed to the branch has booted to multiuser
                    941:                on at least one system.
                    942:
                    943:                Not guaranteed to compile against mainline since -current
                    944:                may have changed incompatibly with the last branch update;
                    945:                use "cvs update -D" to roll-back the rest of the tree to match.
                    946:
                    947:                Please get explicit permission from the maintainer
                    948:                before each commit, or your changes will be backed out.
                    949:                Other tags starting with sommerfeld_ are private to
                    950:                the developer and are guaranteed to be unstable.
                    951:                Only the maintainer should move tags.
                    952:
                    953:                Note that this branch uses a DIFFERENT scheme for
                    954:                synching with the mainline.  the maintainer uses some private
                    955:                scripts for keeping them in synch; if you make commits
                    956:                to the branch to "resynchronize" things, you'll
                    957:                probably do it wrong; instead, ask the maintainer to
                    958:                resynchronize things.
                    959:
                    960:                See sys/arch/i386/TODO on the branch for a list of known
                    961:                issues with the branch.
                    962:
                    963: Branch:                thorpej-mips-cache
                    964: Description:   overhaul MIPS cache support code
                    965: Status:                Terminated; merged to -current
                    966: Start Date:    Oct 23 2001
                    967: End Date:      Nov 14 2001
                    968: Base Tag:      thorpej-mips-cache-base
                    969: Scope:         syssrc
                    970: Notes:         This branch needs more debugging, testing, and more
                    971:                ports need to be converted to the new world order.
                    972:
                    973:                The following processors have had cache ops
                    974:                written:
                    975:
                    976:                        * R2000/R3000 (cache_r3k) -- light testing,
                    977:                          needs to be beat on a lot more to make
                    978:                          sure it's working.
                    979:
1.10      salo      980:                        * R4000/R4400 (cache_r4k) -- mhitch@NetBSD.org
1.1       lukem     981:                          tracked down a bug, which has been fixed.
                    982:
                    983:                          Confirmed working on R4000-with-L2.
                    984:
                    985:                          Confirmed working on R4400-no-L2 and
                    986:                          R4400-with-L2.
                    987:
1.10      salo      988:                        * R4600/R5000 (cache_r5k) -- shin@NetBSD.org
1.1       lukem     989:                          has committed fixes to this code.
                    990:
                    991:                          Confirmed working on R4600 v2 (SGI IP-22 with
                    992:                          no SysAD L2 cache).
                    993:
                    994:                          Confirmed working on RM5260 (Algorithmics P-5064).
                    995:
1.10      salo      996:                        * TX39 (cache_tx39) -- uch@NetBSD.org has
1.1       lukem     997:                          committed fixes to this code.  Awaiting
                    998:                          confirmation that it is working properly.
                    999:
1.10      salo     1000:                        * R5900 (cache_r5900) -- uch@NetBSD.org has
1.1       lukem    1001:                          written this code and tested it on a
                   1002:                          PlayStation 2.
                   1003:
                   1004:                The following ports have been updated to compile (and
                   1005:                use optimized-for-processor bus_dma routines).  Those
                   1006:                that have been tested and work are marked with [WORKING].
                   1007:
                   1008:                        * algor         [WORKING]
                   1009:
                   1010:                        * arc           [WORKING]
                   1011:
                   1012:                        * pmax          [WORKING]
                   1013:
                   1014:                        * playstation2  [WORKING]
                   1015:                                        Needs optimized bus_dmamap_sync().
                   1016:
                   1017:                        * hpcmips       [need verification that this is working]
                   1018:                                        Needs optimized bus_dmamap_sync().
                   1019:
                   1020:                        * sgimips       [WORKING]
                   1021:                                        Needs optimized bus_dmamap_sync().
                   1022:
                   1023:                        * cobalt        [need testing]
                   1024:
                   1025:                        * mipsco        [need testing]
                   1026:
                   1027:                        * newsmips      [need testing]
                   1028:
                   1029: Branch:                thorpej_scsipi
                   1030: Description:   SCSI/ATAPI midlayer rewrite.
                   1031: Status:                Terminated; merged to -current
                   1032: Start Date:
                   1033: End Date:      Apr 25 2001
                   1034: Base Tag:      thorpej_scsipi_base, thorpej_scsipi_nbase
1.10      salo     1035: Maintainer:    Manuel Bouyer <bouyer@NetBSD.org>,
                   1036:                Jason Thorpe <thorpej@NetBSD.org>
1.1       lukem    1037: Scope:         syssrc
                   1038: Notes:         When a change from -current is pulled up please move the
                   1039:                thorpej_scsipi_base tag to the revision you're syncing with.
                   1040:                thorpej_scsipi_nbase is private to maintainer (only
                   1041:                used when syncing the whole branch with HEAD).
                   1042:                Just before the merge, syssrc has been tagged with
                   1043:                thorpej_scsipi_beforemerge
                   1044:
                   1045: Branch:                thorpej-signal
                   1046: Description:   ?
                   1047: Status:                ?
                   1048: Start Date:
                   1049: End Date:
                   1050: Base Tag:      thorpej-signal-base
1.10      salo     1051: Maintainer:    Jason Thorpe <thorpej@NetBSD.org>
1.1       lukem    1052: Scope:         kernel
                   1053: Notes:
                   1054:
                   1055: Branch:                thorpej-setroot
                   1056: Description:   ?
                   1057: Status:                Terminated; merged to -current
                   1058: Start Date:
                   1059: End Date:
                   1060: Base Tag:
1.10      salo     1061: Maintainer:    Jason Thorpe <thorpej@NetBSD.org>
1.1       lukem    1062: Scope:         kernel
                   1063: Notes:
                   1064:
1.84      kardel   1065: Branch:                simonb-timecounters
                   1066: Description:   Port FreeBSD timecounters to NetBSD
1.85      kardel   1067: Status:                Terminated
1.84      kardel   1068: Start Date:    Sat Feb 04 2006
                   1069: End Date:      Wed Jun 07 2006
                   1070: Base Tag:      simonb-timecounters-base
                   1071: Maintainer:    Simon Burge <simonb@NetBSD.org>,
                   1072:                Frank Kardel <kardel@NetBSD.org>
                   1073: Scope:         sys, sbin/savecore, usr.bin/vmstat, usr.sbin/ntp
                   1074: Notes:         early (partial conversion) commit to -current
                   1075:                ok'ed by core@ on 20060605 for testing and further
                   1076:                simplified conversion
                   1077:
1.1       lukem    1078: Branch:                wrstuden-devbsize
                   1079: Description:   Modify buffer cache to deal with different devices having
                   1080:                different block sizes. Also DEV_BSIZE would go away.
                   1081: Status:                Terminated
                   1082: Start Date:    Aug or Sept 1999
                   1083: End Date:      1 Apr 2000
                   1084: Base tag:      wrstuden-devbsize-base
1.10      salo     1085: Maintainer:    Bill Studenmund <wrstuden@NetBSD.org>
1.1       lukem    1086: Scope:         kernel
                   1087: Notes:         No longer active due to lack of time, and introduction
                   1088:                of UBC. In terms of UBC, the primary cache for
                   1089:                file data is the VM cache, which needs to operate
                   1090:                in terms of VM pages. As no existing device has native
                   1091:                pages the same size as our VM pages, there already is
                   1092:                a mapping going on between the VM system and the
                   1093:                underlying blocks. So it would be easier and cleaner
                   1094:                to adjust that to deal w/ different block sizes.
                   1095:                Also with UBC, all i/o is in terms of bytes at an offset
                   1096:                with a certain length, so the exact block size isn't a big
                   1097:                deal.
                   1098:
                   1099:                Any other wrstuden-devbsize tag may (and should) go away.
                   1100:
1.25      yamt     1101: Branch:                yamt-km, yamt-km-doc
1.19      yamt     1102: Description:   simplify/improve kernel memory management and bootstrap
1.46      yamt     1103: Status:                Terminated; merged to -current
1.19      yamt     1104: Start Date:    Tue Jan 25 2005
1.46      yamt     1105: End Date:      Fri Apr  1 2005
1.45      yamt     1106: Base Tag:      yamt-km-base{,2,3,4}, yamt-km-doc-base
1.19      yamt     1107: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
1.25      yamt     1108: Scope:         yamt-km: src/sys
                   1109:                yamt-km-doc: src/share/man/man9/uvm.9
1.19      yamt     1110: Notes:         http://mail-index.NetBSD.org/tech-kern/2004/12/25/0005.html
                   1111:
1.24      yamt     1112:                the followings are per-port status.
                   1113:                (account names mean "tested by".)
                   1114:
1.20      yamt     1115:                works enough to go to multiuser:
1.45      yamt     1116:                        alpha, i386, xen (yamt@)
1.24      yamt     1117:                        pc532 (simonb@)
1.28      yamt     1118:                        alpha, i386, mac68k, macppc, pmax, shark,
1.34      yamt     1119:                            sparc, sparc64, sun3, x68k (chs@)
1.39      yamt     1120:                        cobalt, dreamcast, hp300, news68k, newsmips,
                   1121:                            sun3x (tsutsui@)
1.31      yamt     1122:                        amiga (mhitch@)
1.32      yamt     1123:                        cats, hp700 (skrll@)
1.45      yamt     1124:                        xen (bouyer@)
1.28      yamt     1125:
                   1126:                known to have the same problem as trunk:
                   1127:                        vax (chs@, stuck while running kvm_mkdb)
1.24      yamt     1128:
                   1129:                known to have a problem:
1.35      yamt     1130:                        luna68k (and, if any, other m68k ports which use TTR)
                   1131:                        needs to be revisited.
1.39      yamt     1132:                        -> for luna68k, although not tested,
                   1133:                           Sysmap has been moved to avoid kva conflict with
                   1134:                           I/O ranges.
1.20      yamt     1135:
                   1136:                buildable:
                   1137:                        src/sys/arch/acorn26/conf/GENERIC
                   1138:                        src/sys/arch/acorn32/conf/GENERIC
                   1139:                        src/sys/arch/algor/conf/P6032
                   1140:                        src/sys/arch/alpha/conf/GENERIC
                   1141:                        src/sys/arch/alpha/conf/GENERIC.MP
                   1142:                        src/sys/arch/amd64/conf/GENERIC
                   1143:                        src/sys/arch/amd64/conf/GENERIC.MP
                   1144:                        src/sys/arch/amiga/conf/GENERIC
                   1145:                        src/sys/arch/arc/conf/GENERIC
                   1146:                        src/sys/arch/atari/conf/MILAN-PCIIDE
                   1147:                        src/sys/arch/bebox/conf/GENERIC
                   1148:                        src/sys/arch/cats/conf/GENERIC
                   1149:                        src/sys/arch/cesfic/conf/GENERIC
                   1150:                        src/sys/arch/cobalt/conf/GENERIC
                   1151:                        src/sys/arch/dreamcast/conf/GENERIC
                   1152:                        src/sys/arch/evbarm/conf/TS7200
                   1153:                        src/sys/arch/evbppc/conf/WALNUT
                   1154:                        src/sys/arch/evbsh3/conf/COMPUTEXEVB
                   1155:                        src/sys/arch/evbsh5/conf/CAYMAN64
                   1156:                        src/sys/arch/hp300/conf/GENERIC
                   1157:                        src/sys/arch/hp700/conf/GENERIC
                   1158:                        src/sys/arch/hpcarm/conf/JORNADA728
                   1159:                        src/sys/arch/hpcmips/conf/GENERIC
                   1160:                        src/sys/arch/hpcsh/conf/GENERIC
                   1161:                        src/sys/arch/hpcsh/conf/HPW650PA
                   1162:                        src/sys/arch/i386/conf/GENERIC
                   1163:                        src/sys/arch/i386/conf/GENERIC.MP
1.40      yamt     1164:                        src/sys/arch/i386/conf/XEN0
                   1165:                        src/sys/arch/i386/conf/XENU
1.20      yamt     1166:                        src/sys/arch/ibmnws/conf/GENERIC
                   1167:                        src/sys/arch/iyonix/conf/GENERIC
                   1168:                        src/sys/arch/luna68k/conf/GENERIC
                   1169:                        src/sys/arch/mac68k/conf/GENERIC
                   1170:                        src/sys/arch/macppc/conf/GENERIC
                   1171:                        src/sys/arch/macppc/conf/GENERIC.MP
                   1172:                        src/sys/arch/mipsco/conf/GENERIC
1.40      yamt     1173:                        src/sys/arch/mmeye/conf/GENERIC
1.20      yamt     1174:                        src/sys/arch/mvme68k/conf/GENERIC
                   1175:                        src/sys/arch/netwinder/conf/GENERIC
                   1176:                        src/sys/arch/news68k/conf/GENERIC
                   1177:                        src/sys/arch/newsmips/conf/GENERIC
                   1178:                        src/sys/arch/next68k/conf/GENERIC
                   1179:                        src/sys/arch/ofppc/conf/GENERIC
                   1180:                        src/sys/arch/pc532/conf/GENERIC
                   1181:                        src/sys/arch/pmax/conf/GENERIC
                   1182:                        src/sys/arch/prep/conf/GENERIC
                   1183:                        src/sys/arch/sandpoint/conf/GENERIC
                   1184:                        src/sys/arch/sbmips/conf/GENERIC
                   1185:                        src/sys/arch/sgimips/conf/GENERIC32_IP3x
                   1186:                        src/sys/arch/shark/conf/GENERIC
                   1187:                        src/sys/arch/sparc/conf/GENERIC
                   1188:                        src/sys/arch/sparc/conf/GENERIC.MP
                   1189:                        src/sys/arch/sparc64/conf/GENERIC
                   1190:                        src/sys/arch/sparc64/conf/GENERIC.MP
                   1191:                        src/sys/arch/sun2/conf/GENERIC
                   1192:                        src/sys/arch/sun3/conf/GENERIC
                   1193:                        src/sys/arch/vax/conf/GENERIC
                   1194:                        src/sys/arch/vax/conf/GENERIC.MP
                   1195:                        src/sys/arch/x68k/conf/GENERIC
                   1196:
1.42      yamt     1197:                        src/sys/arch/playstation2/conf/GENERIC
                   1198:
1.97      yamt     1199: Branch:                yamt-pdpolicy
                   1200: Description:   play with page replacement policy
                   1201:                - separate page replacement policy from the rest of kernel
                   1202:                - implement alternative replacement policy
                   1203:                - related read-ahead adjustment?
                   1204: Status:                Terminated; merged to -current
                   1205: Start Date:    Sun Mar  5 2006
                   1206: End Date:      Sat Sep 16 2006
                   1207: Base Tag:      yamt-pdpolicy-base9
                   1208: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1209: Scope:         src/sys  (src/common is tagged but not branched)
                   1210: Notes:
                   1211:
1.54      yamt     1212: Branch:                yamt-readahead
                   1213: Description:   play with file readahead
1.58      yamt     1214: Status:                Terminated; merged to -current
1.54      yamt     1215: Start Date:    Mon Nov 14 2005
1.58      yamt     1216: End Date:      Wed Nov 30 2005
1.57      yamt     1217: Base Tag:      yamt-readahead-base3
1.54      yamt     1218: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1219: Scope:         src/sys
                   1220: Notes:
                   1221:
1.60      yamt     1222: Branch:                yamt-uio_vmspace
                   1223: Description:   uio_lwp/uio_segflg -> uio_vmspace
1.67      yamt     1224: Status:                Terminated; merged to -current
1.60      yamt     1225: Start Date:    Mon Dec 31 2005
1.67      yamt     1226: End Date:      Wed Mar  1 2006
1.66      yamt     1227: Base Tag:      yamt-uio_vmspace-base5
1.60      yamt     1228: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1229: Scope:         src/sys
                   1230: Notes:
                   1231:
1.151     yamt     1232: Branch:                yamt-splraiseipl
                   1233: Description:   finish implementing splraiseipl (and makeiplcookie).
                   1234:                http://mail-index.NetBSD.org/tech-kern/2006/07/01/0000.html
                   1235:
                   1236:                - completes workqueue(9) and netbt.
                   1237:                - fix PR/33218.
                   1238:
                   1239: Status:                Terminated; merged to -current
                   1240: Start Date:    Mon Sep 18 2006
                   1241: End Date:      Fri Dec 22 2006
                   1242: Base Tag:      yamt-splraiseipl-base5
                   1243: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1244: Scope:         src/sys  (src/common is tagged but not branched)
                   1245: Notes:
                   1246:                tested (by who):
                   1247:                        alpha           (yamt)
                   1248:                        alpha           (pavel)
                   1249:                        amd64           (reported privately)
                   1250:                        cobalt          (tsutsui)
                   1251:                        ews4800mips     (tsutsui)
                   1252:                        hp300           (tsutsui)
                   1253:                        hpcarm          (reported privately)
                   1254:                        i386            (yamt)
                   1255:                        macppc          (tsutsui)
                   1256:                        news68k         (tsutsui)
                   1257:                        sgimips(IP32)   (tsutsui)
                   1258:                        sparc(sun4c)    (tsutsui)
                   1259:                        sun2            (tsutsui)
                   1260:                        sun3            (tsutsui)
                   1261:                        sun3x           (tsutsui)
                   1262:                        xen             (yamt)
                   1263:
                   1264:                compile-tested:
                   1265:                        acorn26
                   1266:                        acorn32
                   1267:                        algor
                   1268:                        amiga
                   1269:                        arc
                   1270:                        atari
                   1271:                        bebox
                   1272:                        cats
                   1273:                        cesfic
                   1274:                        dreamcast
                   1275:                        evbarm
                   1276:                        evbmips
                   1277:                        evbppc(marvell)
                   1278:                        evbppc(ibm4xx)
                   1279:                        evbsh3
                   1280:                        hp700
                   1281:                        hpcmips
                   1282:                        hpcsh
                   1283:                        ia64
                   1284:                        ibmnws
                   1285:                        iyonix
                   1286:                        landisk
                   1287:                        luna68k
                   1288:                        mac68k
                   1289:                        mmeye
                   1290:                        mvme68k
                   1291:                        mvmeppc
                   1292:                        mipsco
                   1293:                        netwinder
                   1294:                        newsmips
                   1295:                        next68k
                   1296:                        ofppc
                   1297:                        pc532
                   1298:                        pmax
                   1299:                        pmppc
                   1300:                        prep
                   1301:                        sandpoint
                   1302:                        sbmips
                   1303:                        shark
                   1304:                        sparc
                   1305:                        sparc64
                   1306:                        vax
                   1307:                        x68k
                   1308:                        zaurus
                   1309:
                   1310:                not tested:
                   1311:                        pdp10 (i don't know how to build)
                   1312:                        sh5 (not buildable with an unrelated problem.)
                   1313:
                   1314:     compile  CAYMAN64/netbsd32_sa.o
                   1315:     cc1: warnings being treated as errors
                   1316:     /exports/nbsd/src/sys/compat/netbsd32/netbsd32_sa.c: In function 'netbsd32_sa_ucsp':
                   1317:     /exports/nbsd/src/sys/compat/netbsd32/netbsd32_sa.c:126: warning: implicit declaration of function '_UC_MACHINE32_SP'
                   1318:     --- netbsd32_sa.o ---
                   1319:     *** [netbsd32_sa.o] Error code 1
                   1320:     1 error
                   1321:
                   1322:                notyet:
                   1323:                        amigappc
                   1324:                        playstation2
                   1325:
1.79      briggs   1326: Branch:                yamt-vop
                   1327: Description:   remove several VOPs
                   1328: Status:                Terminated; merged to -current
                   1329: Start Date:    Wed Oct 19 2005
                   1330: End Date:      Wed Nov  2 2005
                   1331: Base Tag:      yamt-vop-base3
1.68      yamt     1332: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1333: Scope:         src/sys
1.79      briggs   1334: Notes:         http://mail-index.NetBSD.org/tech-kern/2005/09/27/0000.html
1.71      peter    1335:
1.98      gdamore  1336: Branch:                gdamore-uart
                   1337: Description:   Add register table support to com driver.
                   1338: Status:                Active
                   1339: Start Date:    14 June 2006
                   1340: End Date:      13 July 2006
                   1341: Base Tag:      gdamore-uart-base
                   1342: Maintainer:    Garrett D'Amore <gdamore@NetBSD.org>
                   1343: Scope:         kernel
                   1344: Notes:         Results in consolidation of Alchemy (mips/dev/alchemy/aucom.c)
                   1345:                com support, and also removes a nasty hack from Atheros com.
                   1346:
1.79      briggs   1347: ########################################################################
1.1       lukem    1348: # Other:
1.79      briggs   1349: ########################################################################
1.1       lukem    1350:
                   1351: Branch:                magnum
                   1352: Description:   ?
                   1353: Status:                ?
                   1354: Start Date:
                   1355: End Date:
                   1356: Base Tag:      magnum-base
                   1357: Maintainer:    ?
                   1358: Scope:         kernel
                   1359: Notes:
1.69      elad     1360:

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