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Annotation of src/doc/BRANCHES, Revision 1.320

1.320   ! yamt        1: #      $NetBSD: BRANCHES,v 1.319 2012/01/13 08:54:00 cherry 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
1.290     mrg        54: Maintainer:    mycroft
1.1       lukem      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
1.271     snj       149: Status:                Terminated
1.88      riz       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
1.271     snj       161: Status:                Terminated
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
1.271     snj       175: Status:                Terminated
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
1.281     snj       187: Status:                Terminated
1.36      jmc       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:
1.271     snj       207: Branch:                netbsd-5
                    208: Description:   The NetBSD 5 release branch
                    209: Status:                Active
                    210: Start Date:    31 Oct 2008
                    211: End Date:
                    212: Base Tag:      netbsd-5-base
                    213: Maintainer:    5.0 Release Engineering <releng-5@NetBSD.org>
                    214: Scope:         Entire tree. (src + xsrc)
                    215: Notes:
                    216:                Commits restricted to Release Engineering.
                    217:
1.279     snj       218: Branch:                netbsd-5-0
                    219: Description:   Tracking security/critical fixes for NetBSD 5.0
                    220: Status:                Active
                    221: Start Date:    29 Apr 2009
                    222: End Date:
                    223: Base Tag:      netbsd-5-0-RELEASE
                    224: Maintainer:    5.0 Release Engineering <releng-5@NetBSD.org>
                    225: Scope:         Entire tree. (src + xsrc)
                    226: Notes:         Commits restricted to Release Engineering.
                    227:
1.79      briggs    228: ########################################################################
                    229: # Individual developers' branches (Active/Dormant):
                    230: ########################################################################
1.4       bjh21     231:
1.158     yamt      232: Branch:                ad-audiomp
                    233: Description:   Add MP locking to the audio drivers
1.270     ad        234: Status:                Terminated
1.225     wiz       235: Start Date:    28 February 2007
1.270     ad        236: End Date:      7 December 2008
1.158     yamt      237: Base Tag:      ad-audiomp-base
                    238: Maintainer:    Andrew Doran <ad@NetBSD.org>
                    239: Scope:         kernel
                    240: Notes:         Making the audio drivers MP safe is necessary before efforts
                    241:                can be made to make the VM system MP safe. About 1/2 of the
                    242:                drivers are converted, the remaining 1/2 need more changes.
                    243:
                    244:                As of import this is snapshot of work in progress and so
                    245:                may not compile; in particular the midi changes are very
                    246:                much "in progress". The audio component has been tested
                    247:                and verified to work with emuxki and auvia. There may
                    248:                be a locking issue in the ac97 code at boot.
                    249:
                    250:                The are two locks per device instance, an ISR lock and
                    251:                a character device lock. The ISR lock replaces calls to
                    252:                splaudio()/splx(), and will be held across calls to device
                    253:                methods which were called at splaudio() before (e.g.
                    254:                trigger_output). The character device lock is held across
                    255:                calls to nearly all of the methods, excluding some only
1.225     wiz       256:                used for initialization, e.g. get_locks. This needs to be
1.158     yamt      257:                documented at merge time.
                    258:
                    259:                To test on a multi way x86 system, search for "mpsafe" in
                    260:                x86/x86/intr.c and change IPL_SCHED to IPL_AUDIO. Run a job
                    261:                that will acquire the ISR lock (depends on the hardware, but
                    262:                "while true; do mixerctl -a > /dev/null; done" may suffice).
                    263:                Play audio, run lockstat and verify that that there is
                    264:                contention on the ISR lock.
                    265:
1.270     ad        266: Branch:                ad-audiomp2
                    267: Description:   Add MP locking to the audio drivers
1.312     jmcneill  268: Status:                Terminated
1.270     ad        269: Start Date:    7 December 2008
1.312     jmcneill  270: End Date:      19 November 2011
1.270     ad        271: Base Tag:      ad-audiomp2-base
                    272: Maintainer:    Andrew Doran <ad@NetBSD.org>
                    273: Scope:         kernel
                    274: Notes:         Ressurect ad-audiomp, make the audio drivers MP safe.
                    275:
1.4       bjh21     276: Branch:                bjh21-hydra
                    277: Description:   Simtec Hydra support and ARM SMP in general
1.90      bjh21     278: Status:                Dormant
1.4       bjh21     279: Start Date:    18 Oct 2002
                    280: End Date:
                    281: Base Tag:      bjh21-hydra-base
1.10      salo      282: Maintainer:    Ben Harris <bjh21@NetBSD.org>
1.4       bjh21     283: Scope:         sys/arch/arm sys/arch/acorn32
1.90      bjh21     284: Notes:         This code was on a branch because it involves changes to
1.4       bjh21     285:                cpuswitch.S which would otherwise make merging the
1.90      bjh21     286:                nathanw_sa branch difficult.
1.1       lukem     287:
1.308     cherry    288: Branch:                cherry-xenmp
                    289: Description:   Port i386 and amd64 Xen kernels to run MP
1.319     cherry    290: Status:                Terminated
1.308     cherry    291: Start Date:    1st June 2011
1.319     cherry    292: End Date:      13th January 2012
1.308     cherry    293: Base Tag:      cherry-xenmp-base
                    294: Maintainer:    Cherry G. Mathew <cherry@NetBSD.org>
                    295: Scope:         kernel
1.319     cherry    296: Notes:         None
1.308     cherry    297:
1.201     chris     298: Branch:                chris-arm-intr-rework
                    299: Description:   Rework arm interrupt handling code
1.291     wiz       300: Status:                Dormant
1.201     chris     301: Start Date:    11 Aug 2007
                    302: End Date:
                    303: Base Tag:      chris-arm-intr-rework-base
1.225     wiz       304: Maintainer:    Chris Gilbert <chris@NetBSD.org>
1.201     chris     305: Scope:         sys/arch/arm sys/arch/cats (other arm archs to follow)
                    306: Notes:         Rework arm interrupt code to provide a shared set of interrupt
                    307:                routines, and allow improvements to be shared across all arm
                    308:                based hardware.
                    309:
1.79      briggs    310: Branch:                gmcgarry_ucred
                    311: Description:   Integrate and encapsulate user credentials
                    312: Status:                Dormant
                    313: Start Date:    18 December 2002
                    314: End Date:
                    315: Base Tag:      gmcgarry_ucred_base
                    316: Maintainer:    Gregory McGarry <gmcgarry@NetBSD.org>
                    317: Scope:         kernel
                    318: Notes:         merge pcred and ucred and poolify
                    319:
1.199     rjs       320: Branch:                hpcarm-cleanup
                    321: Description:   Fix build problems for hpcarm
                    322: Status:                Active
                    323: Start Date:    31 July 2007
                    324: End Date:
                    325: Base Tag:      hpcarm-cleanup-base
                    326: Maintainer:    Robert Swindells <rjs@NetBSD.org>
                    327: Scope:         kernel
                    328: Notes:         Modify SA11x0 interrupt code to match PXA2x0 equivalent.
                    329:
1.194     itohy     330: Branch:                itohy-usb1
                    331: Description:   USB stack overhaul, mostly DMA related
1.305     itohy     332: Status:                Terminated
1.194     itohy     333: Start Date:    22 May 2007
                    334: End Date:
                    335: Base Tag:      itohy-usb1-base
                    336: Maintainer:    ITOH Yasufumi <itohy@NetBSD.org>
                    337: Scope:         kernel
                    338: Notes:         To check out the kernel source tree,
                    339:                1. check out checkout script
                    340:                        cvs checkout -ritohy-usb1 src/sys/dev/usb/filelist
                    341:                2. update files in the branch
                    342:                        sh -e src/sys/dev/usb/filelist
                    343:
1.303     jruoho    344: Branch:                jruoho-x86intr
                    345: Description:   Cleanup and rework the x86 APIC and PIC subsystems
                    346: Status:                Active
                    347: Start Date:    17 January 2011
                    348: End Date:
                    349: Base Tag:      jruoho-x86intr-base
                    350: Maintainer:    Jukka Ruohonen <jruoho@NetBSD.org>
                    351: Scope:         kernel
                    352: Notes:         This branch aims to cleanup the x86 interrupt routing code.
                    353:                In particular, a new implementation is provided for all
                    354:                elements of the APIC that involve ACPI. In addition, better
                    355:                abstractions are provided for the whole PIC layer. The main
                    356:                work areas are sys/arch/x86 and sys/dev/acpi.
                    357:
1.276     jym       358: Branch:                jym-xensuspend
                    359: Description:   Implement xm save/restore/migrate for NetBSD domU
1.310     jym       360: Status:                Terminated
1.276     jym       361: Start Date:    2009-02-08
1.310     jym       362: End Date:      2011-09-20
1.276     jym       363: Base Tag:      jym-xensuspend-base
                    364: Maintainer:    Jean-Yves Migeon <jym@NetBSD.org>
                    365: Scope:         kernel
                    366: Notes:         This branch contains the code required to support the Xen
                    367:                save/restore/migrate facilities. It affects domU frontend
                    368:                drivers (xbd, xennet, xencons, hypervisor), autoconf(9)
                    369:                machinery, as well as MD code (mostly pmap(9)).
                    370:
1.79      briggs    371: Branch:                kame
                    372: Description:   KAME Project
                    373: Status:                Dormant
                    374: Start Date:    28 Jun 1999
                    375: End Date:
                    376: Base Tag:
                    377: Maintainer:    Jun-ichiro itojun Hagino <itojun@NetBSD.org>
                    378: Scope:         kernel
                    379: Notes:         http://www.kame.net
                    380:                Used for "reference" purposes for early part of KAME
                    381:                integration effort.  The branch is not actively used, as I
                    382:                (itojun) use patch(1) and diff(1) for the KAME syncs.
                    383:
1.240     keiichi   384: Branch:                keiichi-mipv6
                    385: Description:   Developing Mobile IPv6 function
                    386: Status:                Active
                    387: Start Date:    21 Feb 2008
                    388: End Date:
                    389: Base Tag:      keiichi-mipv6-base
                    390: Maintainer:    Keiichi Shima <keiichi@netbsd.org>
                    391: Scope:         sys, sbin, libc/net, distrib/sets, share/man/
                    392: Notes:         http://www.mobileip.jp/
                    393:                Work on developing Mobile IPv6/NEMO BS functions and
                    394:                related MIPv6 based advanced functions on NetBSD.
                    395:                Please consult keiichi for joining this activity.
                    396:
1.79      briggs    397: Branch:                kent-audio2
                    398: Description:   In-kernel audio mixer
                    399: Status:                Active
                    400: Start Date:    Sun Jan 16 2005
                    401: End Date:
                    402: Base Tag:      kent-audio2-base
                    403: Maintainer:    TAMURA Kent <kent@NetBSD.org>
                    404: Scope:         kernel (audio device drivers)
                    405: Notes:         http://mail-index.netbsd.org/tech-kern/2004/12/03/0007.html
                    406:                Please consult with the maintainer before committing
                    407:                to this branch.
                    408:                This branch is not expected to be compilable yet.
                    409:
                    410: Branch:                matt-timespec
                    411: Description:   Convert the kernel to struct timespec as its primary time
                    412:                storage mechanism.
1.197     matt      413: Status:                Inactive
1.79      briggs    414: Start Date:    2005-02-19
                    415: End Date:
                    416: Base Tag:
                    417: Maintainer:    Matt Thomas <matt@NetBSD.org>
                    418: Scope:         kernel
                    419: Notes:
                    420:
1.197     matt      421: Branch:                matt-mips64
                    422: Description:   Rototill the mips code to support LP64 mips and N32/N64 ABIs
1.284     matt      423: Status:                Mostly dead
1.197     matt      424: Start Date:    2007-07-17
                    425: End Date:
1.206     matt      426: Base Tag:      matt-mips64-base
                    427: Maintainer:    Matt Thomas <matt@NetBSD.org>
                    428: Scope:         kernel & userland
1.284     matt      429: Notes:
                    430:
                    431: Branch:                matt-nb5-mips64
                    432: Description:   Rototill the mips code to support LP64 mips and N32/N64 ABIs
1.291     wiz       433: Status:                Active
1.284     matt      434: Start Date:    2009-08-01
                    435: End Date:
1.307     matt      436: Base Tag:      netbsd-5-1-RELEASE
1.284     matt      437: Maintainer:    Matt Thomas <matt@NetBSD.org>
                    438: Scope:         kernel & userland
                    439: Notes:
1.206     matt      440:
1.302     matt      441: Branch:                matt-nb5-pq3
                    442: Description:   Rototill the powerpc code to support mpc85xx
                    443: Status:                Active
                    444: Start Date:    2010-12-20
                    445: End Date:
                    446: Base Tag:      matt-nb5-pq3-base
                    447: Maintainer:    Matt Thomas <matt@NetBSD.org>
                    448: Scope:         kernel & userland
                    449: Notes:
                    450:
1.242     mjf       451: Branch:                mjf-devfs2
1.225     wiz       452: Description:   device file system supporting dynamic device nodes
1.224     mjf       453: Status:                Active
1.242     mjf       454: Start Date:    21 February 2008
1.224     mjf       455: End Date:
1.242     mjf       456: Base Tag:      mjf-devfs2-base
1.224     mjf       457: Maintainer:    Matt Fleming <mjf@NetBSD.org>
                    458: Scope:         kernel and userland
                    459: Notes:         This branch will move away from the static device nodes that
                    460:                are created with MAKEDEV scripts and allow nodes to be created
                    461:                and removed dynamically as devices are attached and detached
                    462:                from the machine.
                    463:
                    464: Branch:                mjf-ufs-trans
1.225     wiz       465: Description:   file system transactions for ufs
1.224     mjf       466: Status:                Active
                    467: Start Date:    12 March 2007
                    468: End Date:
                    469: Base Tag:      mjf-ufs-trans-base
                    470: Maintainer:    Matt Fleming <mjf@NetBSD.org>
                    471: Scope:         kernel
                    472: Notes:
                    473:
1.241     skrll     474: Branch:                nick-net80211-sync
                    475: Description:   sync of net80211 with FreeBSD
1.315     skrll     476: Status:                Dormant
1.241     skrll     477: Start Date:    21 February 2008
                    478: End Date:
                    479: Base Tag:      nick-net80211-base
                    480: Maintainer:    Nick Hudson <skrll@NetBSD.org>
                    481: Scope:         sys/
                    482: Notes:         Sync'ing net80211 with FreeBSD and drivers update. The branch is
                    483:                currently only the kernel, but will likely extend to some userland
                    484:                areas.
                    485:
1.79      briggs    486: Branch:                pkgviews
                    487: Description:   package views, enabling multiple conflicting packages to co-exist
                    488: Status:                Active
                    489: Start Date:    22 July 2002
                    490: End Date:
                    491: Base Tag:      pkgviews
                    492: Maintainer:    Alistair Crooks <agc@NetBSD.org>
                    493: Scope:         pkgsrc, basesrc/usr.sbin/pkg_install
                    494: Notes:         A more flexible infrastructure for third-party packages by
                    495:                allowing multiple conflicting packages and versions to co-exist
                    496:                within the same tree
                    497:
                    498: Branch:                rpaulo-netinet-merge-pcb
                    499: Description:   merge in6pcb with inpcb
1.133     rpaulo    500: Status:                Dormant
1.79      briggs    501: Start Date:    Wed Feb 01 2006
                    502: End Date:
                    503: Base Tag:      rpaulo-netinet-merge-pcb-base
                    504: Maintainer:    Rui Paulo <rpaulo@NetBSD.org>
                    505: Scope:         src/sys
1.135     rpaulo    506: Notes:         No longer active due to the lack of time. If you plan to
                    507:                continue this branch, sys/netinet/in_pcb.h already contains
                    508:                the proposed structure layout (which was roughly discussed
                    509:                in the tech-net mailing list).
                    510:                I also defined INP_*() macros to mimicate FreeBSD's inpcb
                    511:                locking style, but currently they do nothing and are not
                    512:                yet called at the correct places (needs discussion about
                    513:                kernel fine-grained locking).
                    514:                To continue this branch, one needs to read all the relevant
                    515:                inpcb/in6pcb source files and change the function names,
1.225     wiz       516:                structure names, structure fields according to the new
1.135     rpaulo    517:                layout (in6pcb is gone).
                    518:                Don't try to build a kernel from this branch because it won't
                    519:                work. The missing pieces required to do a complete build
                    520:                were not committed because they were incomplete and generated
                    521:                panics.
                    522:                You shouldn't need to worry about KAME syncs because
                    523:                they did most of them by now.
                    524:                After the work is done, you are required to test the branch
                    525:                (before the merge to -current) with an interop IPv6 test.
                    526:                More info at: http://www.tahi.org/
1.79      briggs    527:
1.191     wrstuden  528: Branch:        wrstuden-fixsa
                    529: Description:   Fix a number of issues present with Scheduler Activations.
                    530: Status:        Active
                    531: Start Date:    15 May 2007
                    532: End Date:
                    533: Base Tag:      wrstuden-fixsa-base
                    534: Maintainer:    Bill Stouder-Studenmund <wrstuden@NetBSD.org>
                    535: Scope:         src, though all the interesting stuff is in the kernel
                    536:                or lib/libpthread or maybe gdb.
                    537: Notes:         This branch is based off of the netbsd-4 branch!
                    538:                This branch is intended to stage improvements for the
                    539:                Scheduler Activations system for NetBSD 4. Improvements
                    540:                include not allocating memory while preparing to tsleep(),
                    541:                reducing inappropriate upcall delivery (hopefully also
                    542:                eliminating the need to mlock stacks), and being
1.253     wrstuden  543:                able to pthread_kill() running threads. At this date,
                    544:                most goals have been achieved. This branch also includes
                    545:                fixes to gdb to support working with threaded apps.
                    546:
                    547: Branch:        wrstuden-revivesa
                    548: Description:   Fix a number of issues present with Scheduler Activations.
                    549: Status:        Active
                    550: Start Date:    10 May 2008
                    551: End Date:
                    552: Base Tag:      wrstuden-revivesa-base
                    553: Maintainer:    Bill Stouder-Studenmund <wrstuden@NetBSD.org>
                    554: Scope:         src, though all the interesting stuff is in the kernel
                    555: Notes:         This branch is intended to revive Scheduler Activations
                    556:                in -current in the 5.0 era. This branch's main goal is
                    557:                to re-add syscall compatability so that SA-based libpthread
                    558:                programs can run with a -current kernel. 1:1 threading will
                    559:                remain the NetBSD-default. This branch will re-add necessary
                    560:                upcall support, and will also serve as a chance to clean
                    561:                out cruft that had accumulated in the implementation over
                    562:                time.
1.191     wrstuden  563:
1.227     yamt      564: Branch:                yamt-kmem
                    565: Description:
                    566:                - separate kernel va allocation from kernel fault handling.
                    567:                - make kmem_alloc interrupt-safe.
                    568: Status:                Active
                    569: Start Date:    Sun Dec  9 2007
                    570: End Date:
1.231     yamt      571: Base Tag:      yamt-kmem-base3
1.227     yamt      572: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                    573: Scope:         src/sys  (src/common is tagged but not branched)
                    574: Notes:
1.234     yamt      575:                todo:
                    576:                - investigate if PMAP_PREFER equivalent can be done
                    577:                  with vmem_xalloc.  find a tester with hardware for it.
                    578:                - g/c replaced code, including kmapent and malloc.
                    579:                - consider to remove other submaps.  eg. mb_map
1.227     yamt      580:
1.250     yamt      581: Branch:                yamt-nfs-mp
                    582: Description:   make nfs client mp-safe
                    583: Status:                Active
                    584: Start Date:    Sun Apr 27 2008
                    585: End Date:
1.294     yamt      586: Base Tag:      yamt-nfs-mp-base11
1.250     yamt      587: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                    588: Scope:         src/sys  (src/common is tagged but not branched)
                    589: Notes:
                    590:
1.311     yamt      591: Branch:                yamt-pagecache
                    592: Description:   page cache related changes
                    593: Status:                Active
                    594: Start Date:    Wed Nov 2 2011
                    595: End Date:
1.314     yamt      596: Base Tag:      yamt-pagecache-base3
1.311     yamt      597: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                    598: Scope:         src
                    599: Notes:         - maintain object pages in radix tree rather than rb tree.
1.320   ! yamt      600:                - shrink the size of vm_page.
1.311     yamt      601:                - reduce unnecessary page scan in putpages.  esp. when an
                    602:                  object has a ton of pages cached but only a few of them
                    603:                  are dirty.
                    604:                - reduce the number of pmap operations by tracking page
1.316     yamt      605:                  dirtiness more precisely in uvm layer.
1.311     yamt      606:                - fix nfs commit range tracking.
                    607:                - fix nfs write clustering.  XXX hack
                    608:
1.317     yamt      609:                TODO:
                    610:                        - benchmark
                    611:                        - test
1.318     yamt      612:                        - make the write clustering fix less kludgy
1.320   ! yamt      613:                        - revert PG_HOLE stuff?
        !           614:                        - fix or disable the ad-hoc per-cpu statistic
1.317     yamt      615:
1.314     yamt      616:                tested: i386, amd64, nfs, ffs
                    617:
1.317     yamt      618:                have good chances to be broken: lfs, sparc64, hp700
1.314     yamt      619:
1.318     yamt      620:                the following is kernel build test results.
                    621:                most of NG seem unrelated to the changes in the branch.
                    622:
                    623:                        acorn26  GENERIC    OK
                    624:                        acorn32  GENERIC    OK
                    625:                        algor    P6032      NG
                    626:                        alpha    GENERIC    OK
                    627:                        alpha    GENERIC.MP OK
                    628:                        amd64    GENERIC    OK
                    629:                        amd64    XEN3_DOM0  OK
                    630:                        amd64    XEN3_DOMU  OK
                    631:                        amiga    GENERIC    OK
                    632:                        amigappc GENERIC    OK
                    633:                        arc      GENERIC    OK
                    634:                        atari    MILAN-PCIIDE OK
                    635:                        bebox    GENERIC    OK
                    636:                        cats     GENERIC    OK
                    637:                        cesfic   GENERIC    OK
                    638:                        cobalt   GENERIC    OK
                    639:                        dreamcast GENERIC    NG
                    640:                        emips    GENERIC    OK
                    641:                        evbarm   NSLU2      NG
                    642:                        evbarm   TS7200     NG
                    643:                        evbmips  P6032      NG
                    644:                        evbmips  MALTA      NG
                    645:                        evbppc   WALNUT     NG
                    646:                        evbppc   EXPLORA451 NG
                    647:                        evbppc   PMPPC      NG
                    648:                        evbsh3   COMPUTEXEVB OK
                    649:                        ews4800mips GENERIC    OK
                    650:                        hp300    GENERIC    OK
                    651:                        hp700    GENERIC    OK
                    652:                        hpcarm   JORNADA720 OK
                    653:                        hpcarm   JORNADA728 OK
                    654:                        hpcmips  GENERIC    OK
                    655:                        hpcsh    GENERIC    OK
                    656:                        hpcsh    HPW650PA   OK
                    657:                        i386     MONOLITHIC OK
                    658:                        i386     GENERIC    OK
                    659:                        i386     XEN3_DOM0  OK
                    660:                        i386     XEN3_DOMU  OK
                    661:                        i386     ALL        NG
                    662:                        ia64     GENERIC    OK
                    663:                        ia64     GENERIC.SKI NG
                    664:                        ibmnws   GENERIC    OK
                    665:                        iyonix   GENERIC    NG
                    666:                        landisk  GENERIC    OK
                    667:                        luna68k  GENERIC    OK
                    668:                        mac68k   GENERIC    OK
                    669:                        macppc   GENERIC    OK
                    670:                        macppc   GENERIC.MP OK
                    671:                        mipsco   GENERIC    OK
                    672:                        mmeye    GENERIC    OK
                    673:                        mvme68k  GENERIC    OK
                    674:                        mvmeppc  GENERIC    OK
                    675:                        netwinder GENERIC    NG
                    676:                        news68k  GENERIC    OK
                    677:                        newsmips GENERIC    OK
                    678:                        next68k  GENERIC    OK
                    679:                        ofppc    GENERIC    OK
                    680:                        ofppc    GENERIC.MP NG
                    681:                        pmax     GENERIC    OK
                    682:                        prep     GENERIC    OK
                    683:                        rs6000   GENERIC    NG
                    684:                        sandpoint GENERIC    OK
                    685:                        sbmips   GENERIC    NG
                    686:                        sbmips   GENERIC.MP NG
                    687:                        sgimips  GENERIC32_IP3x OK
                    688:                        shark    GENERIC    NG
                    689:                        sparc    GENERIC    OK
                    690:                        sparc    GENERIC.MP OK
                    691:                        sparc64  GENERIC    OK
                    692:                        sun2     GENERIC    OK
                    693:                        sun3     GENERIC    OK
                    694:                        usermode GENERIC    NG
                    695:                        vax      GENERIC    OK
                    696:                        vax      GENERIC.MP OK
                    697:                        x68k     GENERIC    OK
                    698:                        zaurus   GENERIC    NG
                    699:
1.163     reinoud   700: Branch:                reinoud-bufcleanup
1.164     reinoud   701: Description:   implement and evaluate struct buf usage cleanup strategies.
                    702:                Ideas currently in mind (preference for b):
                    703:                a)
1.163     reinoud   704:                        1. use of bio_ops per buffer.
                    705:                        2. allow chaining/overloading of functions in bio_ops
                    706:                           and provide some private context.
1.225     wiz       707:                        3. extend the bio_ops with commonly used functionality
1.163     reinoud   708:                           like pending action counting, custom context passing,
                    709:                           last minute processing of buffer data, buffer cache
                    710:                           etc.
                    711:                        4. investigate the use of the kcont()
                    712:                           continuation-passing framework for async io
                    713:                           completion notification for bufs
1.164     reinoud   714:                        ...
                    715:                b)
                    716:                        1. all sequencing use of B_CALL replaced by
                    717:                           device-threads, if possible generic code around BUFQ
1.225     wiz       718:                        2. possibly use kcont() for async IO finished signaling
1.164     reinoud   719:                        3. counter of pending and queued actions requestable
                    720:                           by IOCTL interface?
                    721:                        4. implement `last minute buffer fixup' calls and maybe
                    722:                           even finished I/O calls as vnode operations
                    723:                        ...
1.163     reinoud   724: Status:                Active
                    725: Start Date:    Thu Mar 15 2007
                    726: End Date:
                    727: Base Tag:      reinoud-bufcleanup-base
                    728: Maintainer:    Reinoud Zandijk <reinoud@NetBSD.org>
                    729: Scope:         src/sys and src/common
1.225     wiz       730: Notes:         Used as experiment sandbox and if successful hopefully one day
                    731:                to be integrated.
1.163     reinoud   732:
1.304     bouyer    733: Branch:                bouyer-quota2
                    734: Description:   modernise disk quotas
                    735: Status:                Active
                    736: Start Date:    Thu Jan 20 2011
                    737: End Date:
                    738: Base Tag:      bouyer-quota2-base
                    739: Maintainer:    Manuel Bouyer <bouyer@NetBSD.org>
                    740: Scope:         src/
                    741: Notes:
                    742:
1.79      briggs    743: ########################################################################
                    744: # Individual developers' branches (Terminated):
                    745: ########################################################################
                    746:
1.1       lukem     747: Branch:                bouyer-scsipi
                    748: Description:   Integration of atapi support
                    749: Status:                Terminated
                    750: Start Date:
                    751: End Date:
                    752: Base Tag:
1.10      salo      753: Maintainer:    Manuel Bouyer <bouyer@NetBSD.org>
1.1       lukem     754: Scope:         kernel
                    755: Notes:         Superseded by thorpej_scsipi
                    756:
1.79      briggs    757: Branch:                bouyer-xen2
                    758: Description:   update xen port to xen 2.0, with support for domain0 operations
                    759: Status:                Terminated
                    760: Start Date:    Dec 13 2004
                    761: End Date:      Mar 10 2005
                    762: Base Tag:      netbsd-2-base
                    763: Maintainer:    Manuel Bouyer <bouyer@NetBSD.org>
                    764: Scope:         src/sys/arch/xen
                    765: Notes:
                    766:
1.220     bouyer    767: Branch:                bouyer-xenamd64
                    768: Description:   add amd64 support to Xen and rework some parts to share more code between Xen and others
                    769: Status:                Terminated
                    770: Start Date:    18 Oct 2007
                    771: End Date:      22 Nov 2007
                    772: Base Tag:      bouyer-xenamd64-base
                    773: Maintainer:    Manuel Bouyer <bouyer@NetBSD.org>
                    774: Scope:         kernel
                    775: Notes:
                    776:
1.238     bouyer    777: Branch:                bouyer-xeni386
                    778: Description:   switch xen on i386 to the x86 pmap and the xen/x86/x86_xpmap.c bootstrap, and add i386 PAE support
1.243     yamt      779: Status:                Terminated
1.238     bouyer    780: Start Date:    10 Dec 2007
                    781: End Date:      23 Jan 2008
                    782: Base Tag:      bouyer-xeni386-base
                    783: Maintainer:    Manuel Bouyer <bouyer@NetBSD.org>
                    784: Scope:         kernel
                    785: Notes:
                    786:
1.87      chap      787: Branch:        chap-midi
                    788: Description:   Renovation of MIDI support
                    789: Status:        Terminated; merged to -current
                    790: Start Date:    19 May 2006
                    791: End Date:      30 Jun 2006
                    792: Base Tag:      chap-midi-base
                    793: Maintainer:    Chapman Flack <chap@NetBSD.org>
                    794: Scope:         sys, share/man, usr.bin
                    795: Notes:
                    796:
1.1       lukem     797: Branch:                chs-ubc
1.44      chs       798: Description:   Unified Buffer Cache
                    799: Status:                Terminated
1.1       lukem     800: Start Date:
                    801: End Date:
                    802: Base Tag:      chs-ubc-base
1.10      salo      803: Maintainer:    Chuck Silvers <chs@NetBSD.org>
1.1       lukem     804: Scope:         kernel
                    805: Notes:
                    806:
                    807: Branch:                chs-ubc2
1.44      chs       808: Description:    Unified Buffer Cache
                    809: Status:                Terminated; merged to -current
1.1       lukem     810: Start Date:
                    811: End Date:
                    812: Base Tag:      chs-ubc2-base, chs-ubc2-newbase
1.10      salo      813: Maintainer:    Chuck Silvers <chs@NetBSD.org>
1.1       lukem     814: Scope:         kernel
                    815: Notes:
                    816:
                    817: Branch:                cjs-build-against-obj-dir
                    818: Description:   ?
                    819: Status:                ?
                    820: Start Date:
                    821: End Date:
                    822: Base Tag:
1.10      salo      823: Maintainer:    Curt Sampson <cjs@NetBSD.org>
1.1       lukem     824: Scope:         Entire tree.
                    825: Notes:
                    826:
1.285     cube      827: Branch:                cube-autoconf
                    828: Description:   Renovate autoconf(9) API
                    829: Status:                Terminated; abandoned
                    830: Start Date:    11 Dec 2007
                    831: End Date:
                    832: Base Tag:      cube-autoconf-base
                    833: Maintainer:    Quentin Garnier <cube@NetBSD.org>
                    834: Scope:         kernel usr.bin/config (and some other userland bits)
                    835: Notes:         Address a number of issues the current autoconf(9) API has.
                    836:
1.1       lukem     837: Branch:                eeh-paddr_t
1.44      chs       838: Description:   use separate types for virtual vs. physical addresses
                    839: Status:                Terminated; merged to -current
1.1       lukem     840: Start Date:
                    841: End Date:
                    842: Base Tag:      eeh-paddr_t-base
1.10      salo      843: Maintainer:    Eduardo Horvath <eeh@NetBSD.org>
1.1       lukem     844: Scope:         kernel
1.44      chs       845: Notes:         This is needed to support 32-bit kernels on sparc64.
1.1       lukem     846:
1.79      briggs    847: Branch:                elad-kernelauth
                    848: Description:   Native NetBSD implementation of Apple's kernel authorization
                    849:                based on TN2127. This is a "clean-room" implementation to
                    850:                avoid any licensing issues.
                    851: Status:                Terminated; merged to -current
                    852: Start Date:    Tue Mar  7 2006
                    853: End Date:      Mon May 15 2006
                    854: Base Tag:      elad-kernelauth-base
                    855: Maintainer:    Elad Efrat <elad@NetBSD.org>
                    856: Scope:         src/sys, src/share/man/man9/Makefile,
                    857:                src/share/man/man9/kauth.h, src/distrib/sets/lists/comp/mi
                    858: Notes:
                    859:
1.1       lukem     860: Branch:                fvdl-softdep
                    861: Description:   FFS soft dependencies
1.44      chs       862: Status:                Terminated; merged to -current
1.1       lukem     863: Start Date:
                    864: End Date:
                    865: Base Tag:      fvdl-softdep-base
1.10      salo      866: Maintainer:    Frank van der Linden <fvdl@NetBSD.org>
1.1       lukem     867: Scope:         kernel
                    868: Notes:
                    869:
                    870: Branch:                gehenna-devsw
                    871: Description:   auto-generation of devsw table
                    872: Status:                Terminated
                    873: Start Date:    16 May 2002
                    874: End Date:      6 Sep 2002
                    875: Base Tag:      gehenna-devsw-base
1.10      salo      876: Maintainer:    MAEKAWA Masahide <gehenna@NetBSD.org>
1.1       lukem     877: Scope:         syssrc
                    878: Notes:         The goal is to get rid of the existing device switch tables in
                    879:                port-dependent conf.c and to generate them dynamically by
                    880:                config(8).
1.8       gmcgarry  881:
1.272     haad      882: Branch:         haad-dm
                    883: Description:    Add support for LVM to NetBSD
                    884: Status:         Terminated; merged with -current
                    885: Start Date:     7 July 2008
                    886: End Date:      19 December 2008
                    887: Base Tag:       haad-dm-base
                    888: Maintainer:     Adam Hamsik <haad@NetBSD.org>
                    889: Scope:          kernel
                    890: Notes:          LVM support is based on Linux lvm2tools,
                    891:                 libdevmapper library and NetBSD device-mapper
                    892:                 driver.
                    893:
1.1       lukem     894: Branch:                is-newarp
1.23      is        895: Description:   ARP for non-Ethernet
                    896: Status:                Terminated; merged before NetBSD 1.3
                    897: Start Date:    1996/10/13
                    898: End Date:      1997/03/15
1.1       lukem     899: Base Tag:      is-newarp-base
1.10      salo      900: Maintainer:    Ignatios Souvatzis <is@NetBSD.org>
1.1       lukem     901: Scope:         kernel
                    902: Notes:
                    903:
1.226     jmcneill  904: Branch:                jmcneill-pm
                    905: Description:   Power management framework overhaul, ACPI improvements
                    906: Status:                Terminated; merged before NetBSD 5.0
                    907: Start Date:    3 Aug 2007
                    908: End Date:      9 Dec 2007
                    909: Base Tag:      jmcneill-pm-base
                    910: Maintainer:    Jared D. McNeill <jmcneill@NetBSD.org>
                    911: Scope:         kernel
                    912: Notes:
                    913:
1.312     jmcneill  914: Branch:                jmcneill-audiomp3
                    915: Description:   Add MP locking to the audio drivers
1.313     jmcneill  916: Status:                Terminated; merged before NetBSD 6.0
1.312     jmcneill  917: Start Date:    19 Nov 2011
1.313     jmcneill  918: End Date:      23 Nov 2011
1.312     jmcneill  919: Base Tag:      jmcneill-audiomp3-base
                    920: Maintainer:    Jared D. McNeill <jmcneill@NetBSD.org>
                    921: Scope:         kernel
                    922: Notes:         Resurrect ad-audiomp2, make the audio drivers MP safe.
                    923:
1.1       lukem     924: Branch:                kenh-if-detach
                    925: Description:   Interface detach support.
                    926: Status:                ?
                    927: Start Date:
                    928: End Date:
                    929: Base Tag:      kenh-if-detach-base
1.10      salo      930: Maintainer:    Ken Hornstein <kenh@NetBSD.org>
1.1       lukem     931: Scope:         kernel
                    932: Notes:
                    933:
1.16      kent      934: Branch:                kent-audio1
                    935: Description:   Audio converter pipeline
1.18      kent      936: Status:                Terminated; merged to -current
1.16      kent      937: Start Date:    Tue Dec  7 2004
1.17      kent      938: End Date:      Tue Jan 11 2005
                    939: Base Tag:      kent-audio1-base
                    940: Maintainer:    TAMURA Kent <kent@NetBSD.org>
                    941: Scope:         kernel (audio device drivers)
                    942: Notes:         http://mail-index.netbsd.org/tech-kern/2004/12/03/0007.html
                    943:                Please consult with the maintainer before committing
                    944:                to this branch.
                    945:
1.1       lukem     946: Branch:                kqueue
                    947: Description:   kqueue kernel event notification mechanism (from FreeBSD)
1.5       jdolecek  948: Status:                Terminated; merged to -current
1.1       lukem     949: Start Date:    Tue Jul 10 23:08:38 EST 2001
1.5       jdolecek  950: End Date:      Tue Oct 24 09:14:14 GMT 2002
1.1       lukem     951: Base Tag:      kqueue-base
                    952: Maintainer:    Jaromir Dolecek <jdolecek@NetBSD.org>
                    953: Scope:         kernel, libc/sys, share/man/man9, usr.bin/fstat
                    954: Notes:         Integration of FreeBSD's kqueue(2) mechanism, with various
                    955:                local internal changes to better suit NetBSD, and
                    956:                enhancements such as looking up filters by name or
                    957:                number, and dynamic registration of "user" filters.
                    958:                The work is complete as is, but is awaiting more
                    959:                feedback from various kernel gurus before going mainline.
1.11      skrll     960:
                    961: Branch:                ktrace-lwp
                    962: Description:   ktrace support for lwp ids.
1.59      skrll     963: Status:                Terminated; merged to -current
1.11      skrll     964: Start Date:    Wed Jul  2 15:27:30 UTC 2003
1.59      skrll     965: End Date:      Sun Dec 11 12:25:29 UTC 2005
1.11      skrll     966: Base Tag:      ktrace-lwp-base
1.12      grant     967: Maintainer:    Darren Reed <darrenr@NetBSD.org>
1.11      skrll     968: Scope:         sys
                    969: Notes:
1.1       lukem     970:
                    971: Branch:                marc-pcmcia
                    972: Description:   PCMCIA support
                    973: Status:                Terminated; merged to -current
                    974: Start Date:
                    975: End Date:
                    976: Base Tag:      marc-pcmcia-base, marc-pcmcia-bp
1.10      salo      977: Maintainer:    Marc Horowitz <marc@NetBSD.org>
1.1       lukem     978: Scope:         kernel
                    979: Notes:
                    980:
1.268     tsutsui   981: Branch:                matt-armv6
                    982: Description:   Rototill the arm code to support features present in the
                    983:                v6 of the ARM Architecture.  Additionally, clean up things
                    984:                along the way to use common practices.
                    985: Status:                Terminated; merged to -current
                    986: Start Date:    2007-08-27
                    987: End Date:      2008-04-27
                    988: Base Tag:      matt-armv6-base
                    989: Maintainer:    Matt Thomas <matt@NetBSD.org>
                    990: Scope:         kernel & userland
                    991: Notes:
                    992:
1.1       lukem     993: Branch:                minoura_x68k_bus_h
                    994: Description:   bus_space(9) and bus_dma(9) implementation for x68k
                    995: Status:                Terminated; merged to -current
                    996: Start Date:    23 Dec 1998
                    997: End Date:      16 Mar 1999
                    998: Base Tag:      minoura_x68k_bus_h-base
1.10      salo      999: Maintainer:    Minoura Makoto <minoura@NetBSD.org>
1.1       lukem    1000: Scope:         sys/arch/x68k
                   1001: Notes:
                   1002:
                   1003: Branch:                minoura-xpg4dl
                   1004: Description:   Citrus Project locale subsystem
                   1005: Status:                Terminated; (partly) merged to -current
                   1006: Start Date:    28 March 2000
                   1007: End Date:
                   1008: Base Tag:      minoura-xpg4dl-base
1.10      salo     1009: Maintainer:    Minoura Makoto <minoura@NetBSD.org>
1.1       lukem    1010: Scope:         basesrc, syssrc, sharesrc
                   1011: Notes:         Citrus Project is developing dynamically-loadable, codeset-
                   1012:                independent locale subsystem.  Part of the implementation
                   1013:                (LC_CTYPE) called XPG4DL is now integrated to -current.
                   1014:
1.242     mjf      1015: Branch:                mjf-devfs
                   1016: Description:   device file system supporting dynamic device nodes
                   1017: Status:                Terminated
                   1018: Start Date:    12 November 2007
                   1019: End Date:      21 February 2008
                   1020: Base Tag:      mjf-devfs-base
                   1021: Maintainer:    Matt Fleming <mjf@NetBSD.org>
                   1022: Scope:         kernel and userland
                   1023: Notes:         This branch will move away from the static device nodes that
                   1024:                are created with MAKEDEV scripts and allow nodes to be created
                   1025:                and removed dynamically as devices are attached and detached
                   1026:                from the machine.
                   1027:
1.1       lukem    1028: Branch:                mrg-vm-swap
1.49      mrg      1029: Description:   dynamic swap allocation, swap-to-files support
1.225     wiz      1030: Status:                Terminated; abandoned for mrg-vm-swap2
1.49      mrg      1031: Start Date:    12 February 1997
                   1032: End Date:      15 March 1997
                   1033: Base Tag:      [none]
                   1034: Maintainer:    Matthew R. Green <mrg@NetBSD.org>
                   1035: Scope:         kernel
                   1036: Notes:
                   1037:
                   1038: Branch:                mrg-vm-swap2
                   1039: Description:   dynamic swap allocation, swap-to-files support
                   1040: Status:                Terminated; merged to -current
                   1041: Start Date:    4 May 1997
                   1042: End Date:      12 June 1997
                   1043: Base Tag:      mrg-vm-swap2-base
1.10      salo     1044: Maintainer:    Matthew R. Green <mrg@NetBSD.org>
1.1       lukem    1045: Scope:         kernel
                   1046: Notes:
                   1047:
                   1048: Branch:                nathanw_sa
                   1049: Description:   Scheduler activations
1.44      chs      1050: Status:                Terminated; merged to -current
1.1       lukem    1051: Start Date:    5 March 2001
1.9       thorpej  1052: End Date:      18 January 2003
1.1       lukem    1053: Base Tag:      nathanw_sa_base
1.10      salo     1054: Maintainer:    Nathan Williams <nathanw@NetBSD.org>
1.1       lukem    1055: Scope:         kernel, libc, libkvm, libpthread, libpthread_dbg, include,
                   1056:                bin/ps usr.bin/systat usr.bin/top usr.bin/w
                   1057:                gnu/dist/toolchain/gdb gnu/usr.bin/gdb
                   1058: Notes:         The idea of scheduler activations is described in the
                   1059:                classic paper by Anderson et al., in ACM Transactions
                   1060:                a on Computer Systems volume 10 issue 1 (1992),which
                   1061:                can be found at
                   1062:                http://www.acm.org/pubs/citations/journals/tocs/1992-10-1/p53-anderson/
                   1063:                Many ideas in the implementation are based on the
                   1064:                implementation of scheduler activations added to Mach
                   1065:                3.0 and described by Davis et al. in the University of
                   1066:                Washington CS tech report 92-08-93, which can be found
                   1067:                at
                   1068:                ftp://ftp.cs.washington.edu/tr/1992/08/UW-CSE-92-08-03.PS.Z
                   1069:
                   1070:                My USENIX paper on the subject can be found at
                   1071:                http://web.mit.edu/nathanw/www/usenix/
                   1072:
                   1073:                Please consult with the maintainer before committing
                   1074:                to this branch.
                   1075:                Other tags starting with nathanw_sa reserved for
                   1076:                branch management and are not guaranteed to be stable.
1.9       thorpej  1077:
                   1078:                Trunk tagged with "nathanw_sa_before_merge" prior to
                   1079:                merging branch down to trunk.  Branch tagged with
                   1080:                "nathanw_sa_end" to indicate the ending revision of
                   1081:                the branch.
1.1       lukem    1082:
1.217     joerg    1083: Branch:                newlock
                   1084: Description:   New locking primitives, based on Solaris's
                   1085: Status:                Terminated
                   1086: Start Date:    March 9, 2002
1.225     wiz      1087: End Date:      February 12, 2007
1.217     joerg    1088: Base Tag:      newlock-base
                   1089: Maintainer:    Jason R. Thorpe <thorpej@NetBSD.org>
                   1090: Scope:         Kernel
                   1091: Notes:         The goal is to replace the existing lockmgr() and
                   1092:                simple_lock() based locking mechanisms with the
                   1093:                primitives found in Solaris: mutexes and rwlocks.
1.225     wiz      1094:                Superseded by the newlock2 branch.
1.217     joerg    1095:
                   1096: Branch:                newlock2
                   1097: Description:   New locking primitives, based on Solaris's
                   1098: Status:                Terminated
                   1099: Start Date:    September 9, 2006
1.225     wiz      1100: End Date:      February 12, 2007
1.217     joerg    1101: Base Tag:      newlock2-base
                   1102: Maintainer:    Andrew Doran <ad@NetBSD.org>
                   1103: Scope:         Kernel
                   1104: Notes:         As per the newlock branch, however given the amount of time
                   1105:                the original branch has lain dormant, a new one has been
                   1106:                created.  Goals:
                   1107:                - Implement new locking primitives on most-used ports.
                   1108:                - Minor locking improvements.
                   1109:                - Remove spinlockmgr().
                   1110:
                   1111: Branch:                nick-csl-alignment
                   1112: Description:   Provide correctly aligned __cpu_simple_lock_t for hppa
1.278     skrll    1113: Status:        Terminated; merged to -current
1.217     joerg    1114: Start Date:    2007-07-18
                   1115: End Date:
                   1116: Base Tag:      nick-csl-alignment-base5
                   1117: Maintainer:    Nick Hudson <skrll@NetBSD.org>
                   1118: Scope:         sys, lib/libpthread, lib/libpthread_dbg
                   1119: Notes:
                   1120:
1.1       lukem    1121: Branch:                perseant-lfsv2
                   1122: Description:   LFS incompatible on-disk data structure changes
                   1123: Status:                Terminated
                   1124: Start Date:    27 June 2001
                   1125: End Date:      16 July 2001
                   1126: Base Tag:      perseant-lfsv2-base
1.10      salo     1127: Maintainer:    Konrad Schroder <perseant@NetBSD.org>
1.1       lukem    1128: Scope:         basesrc/{sbin/*lfs,libexec/lfs_cleanerd,usr.sbin/dumplfs}, syssrc/sys/ufs
                   1129: Notes:         This branch should be short-lived, I expect to merge as soon
                   1130:                as the data structures required for unremove are in and tested.
                   1131:
1.217     joerg    1132: Branch:                ppcoea-renovation
                   1133: Description:   General renovation and cleanup of all OEA PowerPC ports.
                   1134: Status:                Terminated; merged to -current
                   1135: Start Date:    30 April 2007
                   1136: End Date:      15 October 2007
                   1137: Base Tag:      ppcoea-renovation-base
                   1138: Maintainer:    Tim Rightnour <garbled@netbsd.org>
                   1139: Scope:         src/sys/arch
                   1140: Notes:         This branch is for a general cleanup of all OEA-based PowerPC
                   1141:                ports. OEA (Operating Environment Architecture) PowerPC refers
                   1142:                to the 601, 603, 604, and similar chips.  Specifically, not the
                   1143:                403/401 and other embedded chips. The general concept is to get
                   1144:                them all compiling, and sharing as much code as possible.  All
                   1145:                developers are welcome to commit to this branch.
                   1146:
1.174     thorpej  1147: Branch:                thorpej-devvp
                   1148: Description:   replace dev_t with struct vnode * in devsw entry points
                   1149: Status:                Terminated
                   1150: Start Date:    Sep 6 2001
                   1151: End Date:      ???
                   1152: Base Tag:      thorpej-devvp-base
                   1153: Maintainer:    Jason Thorpe <thorpej@NetBSD.org>
                   1154: Scope:         syssrc
                   1155: Notes:         Kernels built from this branch are not expected
                   1156:                to function correctly at this time.
                   1157:
                   1158:                Ports known to compile on this branch:
                   1159:                        alpha
                   1160:                        i386
                   1161:
1.118     peter    1162: Branch:                peter-altq
                   1163: Description:   New ALTQ framework:
                   1164:                - sync with KAME sources
                   1165:                - share mtag/name mapping functions
                   1166:                - separate altq + pf attachment
                   1167: Status:                Terminated; merged to -current
                   1168: Start Date:    March 16, 2006
                   1169: End Date:      October 12, 2006
                   1170: Base Tag:      peter-altq-base
                   1171: Maintainer:    Peter Postma <peter@NetBSD.org>,
                   1172:                Martin Husemann <martin@NetBSD.org>,
                   1173:                Matthias Scheler <tron@NetBSD.org>
                   1174: Scope:         dist/pf dist/ipf distrib/sets/lists sys usr.sbin/altq
                   1175: Notes:         Only the first item in the description was finished
                   1176:                in this branch.
                   1177:
1.309     rmind    1178: Branch:                rmind-uvmplock
                   1179: Description:   Reorganize locking in UVM and improve x86 pmap(9)
                   1180: Status:                Terminated; merged to -current
                   1181: Start Date:    15 March 2010
                   1182: End Date:      12 June 2011
                   1183: Base Tag:      rmind-uvmplock-base
                   1184: Maintainer:    Mindaugas Rasiukevicius <rmind@netbsd.org>
                   1185: Scope:         Kernel
                   1186: Notes:         Goals:
                   1187:
                   1188:                - Reorganize locking in UVM and serialize pmap(9) operations
                   1189:                  on same page(s).  New lock order: [vmpage-lock] -> pmap-lock.
                   1190:                  Based on the patch from ad@.
                   1191:                - Simplify locking in pmap(9) modules by removing P->V locking.
                   1192:                - Use mutex_obj(9) on vmobjlock (and thus vnode_t::v_interlock)
                   1193:                  to share locks among UVM objects where necessary.
                   1194:                - Rewrite and optimize x86 TLB shootdown code.
                   1195:                - Unify /dev/mem et al in MI code and provide required locking.
                   1196:
                   1197:                Future work:
                   1198:
                   1199:                - Optimize pmap_remove() with tracking in struct vm_map_entry.
                   1200:
1.1       lukem    1201: Branch:                sommerfeld_i386mp_1
                   1202: Description:   Multiprocessor support for i386 using Intel MP BIOS.
1.3       sommerfe 1203: Status:                Terminated; merged to -current
1.1       lukem    1204: Start Date:    21 Feb 2000
1.2       fvdl     1205: End Date:      01 Oct 2002
1.1       lukem    1206: Base Tag:      sommerfeld_i386mpbase_1
1.10      salo     1207: Maintainer:    Bill Sommerfeld <sommerfeld@NetBSD.org>
1.1       lukem    1208: Scope:         sys/arch/i386
                   1209: Notes:
                   1210:                Code committed to the branch has booted to multiuser
                   1211:                on at least one system.
                   1212:
                   1213:                Not guaranteed to compile against mainline since -current
                   1214:                may have changed incompatibly with the last branch update;
                   1215:                use "cvs update -D" to roll-back the rest of the tree to match.
                   1216:
                   1217:                Please get explicit permission from the maintainer
                   1218:                before each commit, or your changes will be backed out.
                   1219:                Other tags starting with sommerfeld_ are private to
                   1220:                the developer and are guaranteed to be unstable.
                   1221:                Only the maintainer should move tags.
                   1222:
                   1223:                Note that this branch uses a DIFFERENT scheme for
1.225     wiz      1224:                syncing with the mainline.  the maintainer uses some private
                   1225:                scripts for keeping them in sync; if you make commits
1.1       lukem    1226:                to the branch to "resynchronize" things, you'll
                   1227:                probably do it wrong; instead, ask the maintainer to
                   1228:                resynchronize things.
                   1229:
                   1230:                See sys/arch/i386/TODO on the branch for a list of known
                   1231:                issues with the branch.
                   1232:
                   1233: Branch:                thorpej-mips-cache
                   1234: Description:   overhaul MIPS cache support code
                   1235: Status:                Terminated; merged to -current
                   1236: Start Date:    Oct 23 2001
                   1237: End Date:      Nov 14 2001
                   1238: Base Tag:      thorpej-mips-cache-base
                   1239: Scope:         syssrc
                   1240: Notes:         This branch needs more debugging, testing, and more
                   1241:                ports need to be converted to the new world order.
                   1242:
                   1243:                The following processors have had cache ops
                   1244:                written:
                   1245:
                   1246:                        * R2000/R3000 (cache_r3k) -- light testing,
                   1247:                          needs to be beat on a lot more to make
                   1248:                          sure it's working.
                   1249:
1.10      salo     1250:                        * R4000/R4400 (cache_r4k) -- mhitch@NetBSD.org
1.1       lukem    1251:                          tracked down a bug, which has been fixed.
                   1252:
                   1253:                          Confirmed working on R4000-with-L2.
                   1254:
                   1255:                          Confirmed working on R4400-no-L2 and
                   1256:                          R4400-with-L2.
                   1257:
1.10      salo     1258:                        * R4600/R5000 (cache_r5k) -- shin@NetBSD.org
1.1       lukem    1259:                          has committed fixes to this code.
                   1260:
                   1261:                          Confirmed working on R4600 v2 (SGI IP-22 with
                   1262:                          no SysAD L2 cache).
                   1263:
                   1264:                          Confirmed working on RM5260 (Algorithmics P-5064).
                   1265:
1.10      salo     1266:                        * TX39 (cache_tx39) -- uch@NetBSD.org has
1.1       lukem    1267:                          committed fixes to this code.  Awaiting
                   1268:                          confirmation that it is working properly.
                   1269:
1.10      salo     1270:                        * R5900 (cache_r5900) -- uch@NetBSD.org has
1.1       lukem    1271:                          written this code and tested it on a
                   1272:                          PlayStation 2.
                   1273:
                   1274:                The following ports have been updated to compile (and
                   1275:                use optimized-for-processor bus_dma routines).  Those
                   1276:                that have been tested and work are marked with [WORKING].
                   1277:
                   1278:                        * algor         [WORKING]
                   1279:
                   1280:                        * arc           [WORKING]
                   1281:
                   1282:                        * pmax          [WORKING]
                   1283:
                   1284:                        * playstation2  [WORKING]
                   1285:                                        Needs optimized bus_dmamap_sync().
                   1286:
                   1287:                        * hpcmips       [need verification that this is working]
                   1288:                                        Needs optimized bus_dmamap_sync().
                   1289:
                   1290:                        * sgimips       [WORKING]
                   1291:                                        Needs optimized bus_dmamap_sync().
                   1292:
                   1293:                        * cobalt        [need testing]
                   1294:
                   1295:                        * mipsco        [need testing]
                   1296:
                   1297:                        * newsmips      [need testing]
                   1298:
                   1299: Branch:                thorpej_scsipi
                   1300: Description:   SCSI/ATAPI midlayer rewrite.
                   1301: Status:                Terminated; merged to -current
                   1302: Start Date:
                   1303: End Date:      Apr 25 2001
                   1304: Base Tag:      thorpej_scsipi_base, thorpej_scsipi_nbase
1.10      salo     1305: Maintainer:    Manuel Bouyer <bouyer@NetBSD.org>,
                   1306:                Jason Thorpe <thorpej@NetBSD.org>
1.1       lukem    1307: Scope:         syssrc
                   1308: Notes:         When a change from -current is pulled up please move the
                   1309:                thorpej_scsipi_base tag to the revision you're syncing with.
                   1310:                thorpej_scsipi_nbase is private to maintainer (only
                   1311:                used when syncing the whole branch with HEAD).
                   1312:                Just before the merge, syssrc has been tagged with
                   1313:                thorpej_scsipi_beforemerge
                   1314:
                   1315: Branch:                thorpej-signal
                   1316: Description:   ?
                   1317: Status:                ?
                   1318: Start Date:
                   1319: End Date:
                   1320: Base Tag:      thorpej-signal-base
1.10      salo     1321: Maintainer:    Jason Thorpe <thorpej@NetBSD.org>
1.1       lukem    1322: Scope:         kernel
                   1323: Notes:
                   1324:
                   1325: Branch:                thorpej-setroot
                   1326: Description:   ?
                   1327: Status:                Terminated; merged to -current
                   1328: Start Date:
                   1329: End Date:
                   1330: Base Tag:
1.10      salo     1331: Maintainer:    Jason Thorpe <thorpej@NetBSD.org>
1.1       lukem    1332: Scope:         kernel
                   1333: Notes:
                   1334:
1.84      kardel   1335: Branch:                simonb-timecounters
                   1336: Description:   Port FreeBSD timecounters to NetBSD
1.85      kardel   1337: Status:                Terminated
1.84      kardel   1338: Start Date:    Sat Feb 04 2006
                   1339: End Date:      Wed Jun 07 2006
                   1340: Base Tag:      simonb-timecounters-base
                   1341: Maintainer:    Simon Burge <simonb@NetBSD.org>,
                   1342:                Frank Kardel <kardel@NetBSD.org>
                   1343: Scope:         sys, sbin/savecore, usr.bin/vmstat, usr.sbin/ntp
                   1344: Notes:         early (partial conversion) commit to -current
                   1345:                ok'ed by core@ on 20060605 for testing and further
                   1346:                simplified conversion
                   1347:
1.268     tsutsui  1348: Branch:                simonb-wapbl
                   1349: Description:   Wasabi's journaling filesystem support
                   1350: Status:                Terminated; merged to -current
                   1351: Start Date:    Tue Jun 10 2008
                   1352: End Date:      Thu Jul 31 2008
                   1353: Base Tag:      simonb-wapbl-base
                   1354: Maintainer:    Simon Burge <simonb@NetBSD.org>
                   1355: Scope:         src/distrib/sets/lists/comp src/distrib/utils/sysinst
                   1356:                src/include
                   1357:                src/sbin/fsck_ffs src/sbin/fsdb src/sbin/mount_ffs
                   1358:                src/sbin/tunefs src/usr.sbin/dumpfs src/sys
                   1359: Notes:         Still has a number of issues:
                   1360:                 - Some heavy workload performance issues on SMP machines.
                   1361:                   Work around this issue by turning on WAPBL_DEBUG_SERIALIZE
                   1362:                   in rev 1.1.2.11 of vfs_wapbl.c.
                   1363:                 - Removing large files (sparse only?) takes a long time.
                   1364:                   Eg, a file created with
                   1365:                      dd if=/dev/zero of=foox bs=1 count=1 seek=11261748520550
                   1366:                   takes 0:00.00 to remove on my test box without logging and
                   1367:                   0:22.25 to remove with logging.  No disk IO during this...
                   1368:                 - sysinst should use in-fs logs now, not end-of-partition logs.
                   1369:
1.286     uebayasi 1370: Branch:                uebayasi-xip
                   1371: Description:   Support eXecute-In-Place (XIP)
                   1372: Status:                Active
                   1373: Start Date:    8 February 2010
                   1374: End Date:
1.300     uebayasi 1375: Base Tag:      uebayasi-xip-base6 (2010-11-15 UTC)
1.286     uebayasi 1376: Maintainer:    Masao Uebayashi <uebayasi@NetBSD.org>
1.299     uebayasi 1377: Scope:         src/external/gpl3/binutils/usr.sbin/mdsetimage/mdsetimage.8
                   1378:                src/include
                   1379:                src/sbin/mount
                   1380:                src/sbin/mount_ffs
                   1381:                src/share/man/man4
1.295     uebayasi 1382:                src/share/man/man5/statvfs.5
1.299     uebayasi 1383:                src/share/man/man9
                   1384:                src/sys/arch
                   1385:                src/sys/common/pmap
                   1386:                src/sys/conf
                   1387:                src/sys/dev/flash.c
                   1388:                src/sys/dev/flashvar.h
1.301     uebayasi 1389:                src/sys/dev/md.c
                   1390:                src/sys/dev/md.h
                   1391:                src/sys/dev/md_root.c
1.299     uebayasi 1392:                src/sys/dev/xmd.c
                   1393:                src/sys/kern/vfs_syscalls.c
                   1394:                src/sys/miscfs/genfs/genfs_io.c
                   1395:                src/sys/miscfs/specfs/specdev.h
                   1396:                src/sys/sys
                   1397:                src/sys/ufs/ffs/ffs_vfsops.c
                   1398:                src/sys/uvm
                   1399:                src/usr.sbin/mdsetimage/mdsetimage.8
1.286     uebayasi 1400: Notes:         Goals:
                   1401:                - Clean up oddities in fault handler
                   1402:                - Add a notion of device page
                   1403:                - Teach XIP vnode VOP_GETPAGES
                   1404:                - Hook XIP mount option
                   1405:                - Teach some pmaps to handle device page
                   1406:
1.236     ad       1407: Branch:                vmlocking
                   1408: Description:   Make VM and file system framework MP safe
                   1409: Status:                Terminated
                   1410: Start Date:    13 March 2007
                   1411: End Date:      4 December 2007
                   1412: Base Tag:      vmlocking-base
                   1413: Maintainer:    Andrew Doran <ad@NetBSD.org>
                   1414: Scope:         kernel
                   1415: Notes:         Superseded by vmlocking2 branch.
                   1416:
                   1417: Branch:                vmlocking2
                   1418: Description:   Make VM and file system framework MP safe
                   1419: Status:                Terminated
                   1420: Start Date:    4 December 2007
                   1421: End Date:      2 January 2008
                   1422: Base Tag:      vmlocking2-base3
                   1423: Maintainer:    Andrew Doran <ad@NetBSD.org>
                   1424: Scope:         kernel
                   1425: Notes:         Goals:
                   1426:
                   1427:                - Make VM system / trap handling MP safe.
                   1428:                - Replace simplelocks with mutexes.
                   1429:                - Make file system framework MP safe.
                   1430:
                   1431:                Status by architecture:
                   1432:
                   1433:                  alpha         done
                   1434:                  i386          done
                   1435:                  amd64         done
                   1436:                  mips          done
                   1437:                  sparc         need pmap/trap locking changes
                   1438:                  sparc64       done
                   1439:                  arm           done
                   1440:                  powerpc       done
                   1441:                  hppa          done
                   1442:                  sh3           done
                   1443:                  m68k          done
                   1444:                  xen           need pmap/trap locking changes
                   1445:
                   1446:                Remaining MI work to do:
                   1447:
                   1448:                - Check aliased vnode handling. There may be problems.
                   1449:
                   1450:                Remaining problems:
                   1451:
                   1452:                - LFS stalls due to v_numoutput leak.
                   1453:
1.1       lukem    1454: Branch:                wrstuden-devbsize
                   1455: Description:   Modify buffer cache to deal with different devices having
                   1456:                different block sizes. Also DEV_BSIZE would go away.
                   1457: Status:                Terminated
                   1458: Start Date:    Aug or Sept 1999
                   1459: End Date:      1 Apr 2000
                   1460: Base tag:      wrstuden-devbsize-base
1.10      salo     1461: Maintainer:    Bill Studenmund <wrstuden@NetBSD.org>
1.1       lukem    1462: Scope:         kernel
                   1463: Notes:         No longer active due to lack of time, and introduction
                   1464:                of UBC. In terms of UBC, the primary cache for
                   1465:                file data is the VM cache, which needs to operate
                   1466:                in terms of VM pages. As no existing device has native
                   1467:                pages the same size as our VM pages, there already is
                   1468:                a mapping going on between the VM system and the
                   1469:                underlying blocks. So it would be easier and cleaner
                   1470:                to adjust that to deal w/ different block sizes.
                   1471:                Also with UBC, all i/o is in terms of bytes at an offset
                   1472:                with a certain length, so the exact block size isn't a big
                   1473:                deal.
                   1474:
                   1475:                Any other wrstuden-devbsize tag may (and should) go away.
                   1476:
1.193     yamt     1477: Branch:                yamt-idlelwp
                   1478: Description:   idle lwp, and some changes depending on it.
                   1479:
                   1480:                1. separate context switching and thread scheduling.
                   1481:                   (cf. gmcgarry_ctxsw)
                   1482:                2. implement idle lwp.
                   1483:                3. clean up related MD/MI interfaces.
                   1484:                4. make scheduler(s) modular.
                   1485:
                   1486: Status:                Terminated; merged to -current
                   1487: Start Date:    Fri Feb 17 2007
                   1488: End Date:      Thu May 17 2007
                   1489: Base Tag:      yamt-idlelwp-base8
                   1490: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1491: Scope:         src/sys  (src/common is tagged but not branched)
                   1492: Notes:
                   1493:                Status of ports:
                   1494:                  alpha                 [ Done, UP tested, MP not tested ]
                   1495:                  i386                  [ Done, tested ]
                   1496:                  amd64                 [ Done, tested ]
1.204     tsutsui  1497:                  mips                  [ Done, both MIPS1 and MIPS3 tested]
                   1498:                  sparc                 [ Done, UP tested, MP might have
                   1499:                                          some problem after newlock2 merge ]
                   1500:                  sparc64               [ Done, tested ]
1.205     skrll    1501:                  arm                   [ Done, SA1 tested. See PR 36548 ]
1.193     yamt     1502:                  macppc/powerpc        [ Done, OEA tested ]
1.205     skrll    1503:                  hppa                  [ Done, tested ]
1.193     yamt     1504:                  sh3                   [ Done, tested ]
                   1505:                  vax                   [ Done, UP tested, MP untested ]
1.204     tsutsui  1506:                  m68k                  [ Done, tested on several ports ]
1.193     yamt     1507:                  ns32k                 [ broken ]
                   1508:                  ia64                  [ broken ]
                   1509:                  pdp10                 [ broken ]
                   1510:
                   1511:                How to adapt a port?
                   1512:
                   1513:                - unify cpu_switch, cpu_exit, cpu_switchto into
                   1514:                  a single cpu_switchto.  see cpu_switchto.9.
                   1515:
                   1516:                - implement cpu_idle.  see cpu_idle.9.
                   1517:
                   1518:                - add a flag argument to cpu_need_resched.
                   1519:                  handle RESCHED_IMMED flag, which means "cause a preemption
                   1520:                  as soon as possible."  eg. in the case of MULTIPROCESSOR,
                   1521:                  send an IPI to the target cpu.
                   1522:
                   1523:                - "curlwp == NULL" is not a valid check for idle state anymore.
                   1524:                  use "(curlwp->l_flag & LW_IDLE) != 0" instead.  curlwp is
                   1525:                  almost always non-NULL, with exceptions like early on boot.
                   1526:
                   1527:                - remove idle pcbs.
                   1528:
                   1529:                - (if MULTIPROCESSOR) tweak processor trampoline code.
                   1530:
                   1531:                - (if MULTIPROCESSOR) call mi_cpu_attach when attaching
                   1532:                  secondary processors.
                   1533:
                   1534:                - (if schedhz!=0) call schedclock regardless of the value of
                   1535:                  curlwp.
                   1536:
                   1537:                - of course, update MD users of scheduler/switching API.
                   1538:
1.248     yamt     1539: Branch:                yamt-lazymbuf
                   1540: Description:   change the way to share mbuf external storage so that
                   1541:                it can work without kernel_lock.
                   1542: Status:                Terminated; merged to -current
                   1543: Start Date:    Wed Jul  6 2005
                   1544: End Date:      Mon Mar 24 2008
                   1545: Base Tag:      yamt-lazymbuf-base14
                   1546: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1547: Scope:         src/sys  (src/common is tagged but not branched)
                   1548: Notes:
                   1549:
1.25      yamt     1550: Branch:                yamt-km, yamt-km-doc
1.19      yamt     1551: Description:   simplify/improve kernel memory management and bootstrap
1.46      yamt     1552: Status:                Terminated; merged to -current
1.19      yamt     1553: Start Date:    Tue Jan 25 2005
1.46      yamt     1554: End Date:      Fri Apr  1 2005
1.45      yamt     1555: Base Tag:      yamt-km-base{,2,3,4}, yamt-km-doc-base
1.19      yamt     1556: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
1.25      yamt     1557: Scope:         yamt-km: src/sys
                   1558:                yamt-km-doc: src/share/man/man9/uvm.9
1.19      yamt     1559: Notes:         http://mail-index.NetBSD.org/tech-kern/2004/12/25/0005.html
                   1560:
1.24      yamt     1561:                the followings are per-port status.
                   1562:                (account names mean "tested by".)
                   1563:
1.20      yamt     1564:                works enough to go to multiuser:
1.45      yamt     1565:                        alpha, i386, xen (yamt@)
1.24      yamt     1566:                        pc532 (simonb@)
1.28      yamt     1567:                        alpha, i386, mac68k, macppc, pmax, shark,
1.34      yamt     1568:                            sparc, sparc64, sun3, x68k (chs@)
1.39      yamt     1569:                        cobalt, dreamcast, hp300, news68k, newsmips,
                   1570:                            sun3x (tsutsui@)
1.31      yamt     1571:                        amiga (mhitch@)
1.32      yamt     1572:                        cats, hp700 (skrll@)
1.45      yamt     1573:                        xen (bouyer@)
1.28      yamt     1574:
                   1575:                known to have the same problem as trunk:
                   1576:                        vax (chs@, stuck while running kvm_mkdb)
1.24      yamt     1577:
                   1578:                known to have a problem:
1.35      yamt     1579:                        luna68k (and, if any, other m68k ports which use TTR)
                   1580:                        needs to be revisited.
1.39      yamt     1581:                        -> for luna68k, although not tested,
                   1582:                           Sysmap has been moved to avoid kva conflict with
                   1583:                           I/O ranges.
1.20      yamt     1584:
                   1585:                buildable:
                   1586:                        src/sys/arch/acorn26/conf/GENERIC
                   1587:                        src/sys/arch/acorn32/conf/GENERIC
                   1588:                        src/sys/arch/algor/conf/P6032
                   1589:                        src/sys/arch/alpha/conf/GENERIC
                   1590:                        src/sys/arch/alpha/conf/GENERIC.MP
                   1591:                        src/sys/arch/amd64/conf/GENERIC
                   1592:                        src/sys/arch/amd64/conf/GENERIC.MP
                   1593:                        src/sys/arch/amiga/conf/GENERIC
                   1594:                        src/sys/arch/arc/conf/GENERIC
                   1595:                        src/sys/arch/atari/conf/MILAN-PCIIDE
                   1596:                        src/sys/arch/bebox/conf/GENERIC
                   1597:                        src/sys/arch/cats/conf/GENERIC
                   1598:                        src/sys/arch/cesfic/conf/GENERIC
                   1599:                        src/sys/arch/cobalt/conf/GENERIC
                   1600:                        src/sys/arch/dreamcast/conf/GENERIC
                   1601:                        src/sys/arch/evbarm/conf/TS7200
                   1602:                        src/sys/arch/evbppc/conf/WALNUT
                   1603:                        src/sys/arch/evbsh3/conf/COMPUTEXEVB
                   1604:                        src/sys/arch/evbsh5/conf/CAYMAN64
                   1605:                        src/sys/arch/hp300/conf/GENERIC
                   1606:                        src/sys/arch/hp700/conf/GENERIC
                   1607:                        src/sys/arch/hpcarm/conf/JORNADA728
                   1608:                        src/sys/arch/hpcmips/conf/GENERIC
                   1609:                        src/sys/arch/hpcsh/conf/GENERIC
                   1610:                        src/sys/arch/hpcsh/conf/HPW650PA
                   1611:                        src/sys/arch/i386/conf/GENERIC
                   1612:                        src/sys/arch/i386/conf/GENERIC.MP
1.40      yamt     1613:                        src/sys/arch/i386/conf/XEN0
                   1614:                        src/sys/arch/i386/conf/XENU
1.20      yamt     1615:                        src/sys/arch/ibmnws/conf/GENERIC
                   1616:                        src/sys/arch/iyonix/conf/GENERIC
                   1617:                        src/sys/arch/luna68k/conf/GENERIC
                   1618:                        src/sys/arch/mac68k/conf/GENERIC
                   1619:                        src/sys/arch/macppc/conf/GENERIC
                   1620:                        src/sys/arch/macppc/conf/GENERIC.MP
                   1621:                        src/sys/arch/mipsco/conf/GENERIC
1.40      yamt     1622:                        src/sys/arch/mmeye/conf/GENERIC
1.20      yamt     1623:                        src/sys/arch/mvme68k/conf/GENERIC
                   1624:                        src/sys/arch/netwinder/conf/GENERIC
                   1625:                        src/sys/arch/news68k/conf/GENERIC
                   1626:                        src/sys/arch/newsmips/conf/GENERIC
                   1627:                        src/sys/arch/next68k/conf/GENERIC
                   1628:                        src/sys/arch/ofppc/conf/GENERIC
                   1629:                        src/sys/arch/pc532/conf/GENERIC
                   1630:                        src/sys/arch/pmax/conf/GENERIC
                   1631:                        src/sys/arch/prep/conf/GENERIC
                   1632:                        src/sys/arch/sandpoint/conf/GENERIC
                   1633:                        src/sys/arch/sbmips/conf/GENERIC
                   1634:                        src/sys/arch/sgimips/conf/GENERIC32_IP3x
                   1635:                        src/sys/arch/shark/conf/GENERIC
                   1636:                        src/sys/arch/sparc/conf/GENERIC
                   1637:                        src/sys/arch/sparc/conf/GENERIC.MP
                   1638:                        src/sys/arch/sparc64/conf/GENERIC
                   1639:                        src/sys/arch/sparc64/conf/GENERIC.MP
                   1640:                        src/sys/arch/sun2/conf/GENERIC
                   1641:                        src/sys/arch/sun3/conf/GENERIC
                   1642:                        src/sys/arch/vax/conf/GENERIC
                   1643:                        src/sys/arch/vax/conf/GENERIC.MP
                   1644:                        src/sys/arch/x68k/conf/GENERIC
                   1645:
1.42      yamt     1646:                        src/sys/arch/playstation2/conf/GENERIC
                   1647:
1.97      yamt     1648: Branch:                yamt-pdpolicy
                   1649: Description:   play with page replacement policy
                   1650:                - separate page replacement policy from the rest of kernel
                   1651:                - implement alternative replacement policy
                   1652:                - related read-ahead adjustment?
                   1653: Status:                Terminated; merged to -current
                   1654: Start Date:    Sun Mar  5 2006
                   1655: End Date:      Sat Sep 16 2006
                   1656: Base Tag:      yamt-pdpolicy-base9
                   1657: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1658: Scope:         src/sys  (src/common is tagged but not branched)
                   1659: Notes:
                   1660:
1.261     yamt     1661: Branch:                yamt-pf42
                   1662: Description:   import newer pf from OpenBSD 4.2
                   1663: Status:                Terminated; merged to -current
                   1664: Start Date:    Sat Apr 19 2008
                   1665: End Date:      Wed Jun 18 2008
                   1666: Base Tag:      yamt-pf42-base4
                   1667: Maintainer:    Peter Postma <peter@NetBSD.org>,
                   1668:                YAMAMOTO Takashi <yamt@NetBSD.org>
                   1669: Scope:         src
                   1670: Notes:         see sys/dist/pf/net/TODO
                   1671:
1.54      yamt     1672: Branch:                yamt-readahead
                   1673: Description:   play with file readahead
1.58      yamt     1674: Status:                Terminated; merged to -current
1.54      yamt     1675: Start Date:    Mon Nov 14 2005
1.58      yamt     1676: End Date:      Wed Nov 30 2005
1.57      yamt     1677: Base Tag:      yamt-readahead-base3
1.54      yamt     1678: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1679: Scope:         src/sys
                   1680: Notes:
                   1681:
1.60      yamt     1682: Branch:                yamt-uio_vmspace
                   1683: Description:   uio_lwp/uio_segflg -> uio_vmspace
1.67      yamt     1684: Status:                Terminated; merged to -current
1.60      yamt     1685: Start Date:    Mon Dec 31 2005
1.67      yamt     1686: End Date:      Wed Mar  1 2006
1.66      yamt     1687: Base Tag:      yamt-uio_vmspace-base5
1.60      yamt     1688: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1689: Scope:         src/sys
                   1690: Notes:
                   1691:
1.151     yamt     1692: Branch:                yamt-splraiseipl
                   1693: Description:   finish implementing splraiseipl (and makeiplcookie).
                   1694:                http://mail-index.NetBSD.org/tech-kern/2006/07/01/0000.html
                   1695:
                   1696:                - completes workqueue(9) and netbt.
                   1697:                - fix PR/33218.
                   1698:
                   1699: Status:                Terminated; merged to -current
                   1700: Start Date:    Mon Sep 18 2006
                   1701: End Date:      Fri Dec 22 2006
                   1702: Base Tag:      yamt-splraiseipl-base5
                   1703: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1704: Scope:         src/sys  (src/common is tagged but not branched)
                   1705: Notes:
                   1706:                tested (by who):
                   1707:                        alpha           (yamt)
                   1708:                        alpha           (pavel)
                   1709:                        amd64           (reported privately)
                   1710:                        cobalt          (tsutsui)
                   1711:                        ews4800mips     (tsutsui)
                   1712:                        hp300           (tsutsui)
                   1713:                        hpcarm          (reported privately)
                   1714:                        i386            (yamt)
                   1715:                        macppc          (tsutsui)
                   1716:                        news68k         (tsutsui)
                   1717:                        sgimips(IP32)   (tsutsui)
                   1718:                        sparc(sun4c)    (tsutsui)
                   1719:                        sun2            (tsutsui)
                   1720:                        sun3            (tsutsui)
                   1721:                        sun3x           (tsutsui)
                   1722:                        xen             (yamt)
                   1723:
                   1724:                compile-tested:
                   1725:                        acorn26
                   1726:                        acorn32
                   1727:                        algor
                   1728:                        amiga
                   1729:                        arc
                   1730:                        atari
                   1731:                        bebox
                   1732:                        cats
                   1733:                        cesfic
                   1734:                        dreamcast
                   1735:                        evbarm
                   1736:                        evbmips
                   1737:                        evbppc(marvell)
                   1738:                        evbppc(ibm4xx)
                   1739:                        evbsh3
                   1740:                        hp700
                   1741:                        hpcmips
                   1742:                        hpcsh
                   1743:                        ia64
                   1744:                        ibmnws
                   1745:                        iyonix
                   1746:                        landisk
                   1747:                        luna68k
                   1748:                        mac68k
                   1749:                        mmeye
                   1750:                        mvme68k
                   1751:                        mvmeppc
                   1752:                        mipsco
                   1753:                        netwinder
                   1754:                        newsmips
                   1755:                        next68k
                   1756:                        ofppc
                   1757:                        pc532
                   1758:                        pmax
                   1759:                        pmppc
                   1760:                        prep
                   1761:                        sandpoint
                   1762:                        sbmips
                   1763:                        shark
                   1764:                        sparc
                   1765:                        sparc64
                   1766:                        vax
                   1767:                        x68k
                   1768:                        zaurus
                   1769:
                   1770:                not tested:
                   1771:                        pdp10 (i don't know how to build)
                   1772:                        sh5 (not buildable with an unrelated problem.)
                   1773:
                   1774:     compile  CAYMAN64/netbsd32_sa.o
                   1775:     cc1: warnings being treated as errors
                   1776:     /exports/nbsd/src/sys/compat/netbsd32/netbsd32_sa.c: In function 'netbsd32_sa_ucsp':
                   1777:     /exports/nbsd/src/sys/compat/netbsd32/netbsd32_sa.c:126: warning: implicit declaration of function '_UC_MACHINE32_SP'
                   1778:     --- netbsd32_sa.o ---
                   1779:     *** [netbsd32_sa.o] Error code 1
                   1780:     1 error
                   1781:
                   1782:                notyet:
                   1783:                        amigappc
                   1784:                        playstation2
                   1785:
1.79      briggs   1786: Branch:                yamt-vop
                   1787: Description:   remove several VOPs
                   1788: Status:                Terminated; merged to -current
                   1789: Start Date:    Wed Oct 19 2005
                   1790: End Date:      Wed Nov  2 2005
                   1791: Base Tag:      yamt-vop-base3
1.68      yamt     1792: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1793: Scope:         src/sys
1.79      briggs   1794: Notes:         http://mail-index.NetBSD.org/tech-kern/2005/09/27/0000.html
1.71      peter    1795:
1.214     yamt     1796: Branch:                yamt-x86pmap
                   1797: Description:   merge i386 and amd64 pmap
                   1798: Status:                Terminated; merged to -current
                   1799: Start Date:    Mon Sep 24 2007
                   1800: End Date:      Fri Oct 19 2007
                   1801: Base Tag:      yamt-x86pmap-base4
                   1802: Maintainer:    YAMAMOTO Takashi <yamt@NetBSD.org>
                   1803: Scope:         src/sys  (src/common is tagged but not branched)
                   1804: Notes:
                   1805:
1.98      gdamore  1806: Branch:                gdamore-uart
                   1807: Description:   Add register table support to com driver.
                   1808: Status:                Active
                   1809: Start Date:    14 June 2006
                   1810: End Date:      13 July 2006
                   1811: Base Tag:      gdamore-uart-base
                   1812: Maintainer:    Garrett D'Amore <gdamore@NetBSD.org>
                   1813: Scope:         kernel
                   1814: Notes:         Results in consolidation of Alchemy (mips/dev/alchemy/aucom.c)
                   1815:                com support, and also removes a nasty hack from Atheros com.
                   1816:
1.273     christos 1817: Branch:                christos-time_t
                   1818: Description:   Change time_t and dev_t to 64 bit quantities; fix timeval
                   1819:                and timespec.
                   1820: Status:                merged
                   1821: Start Date:    29 March 2008
1.274     christos 1822: End Date:      10 January 2009
1.275     christos 1823: Base Tag:      christos-time_t-base
                   1824: Maintainer:    Christos Zoulas <christos@NetBSD.org>
1.273     christos 1825: Scope:         kernel, libc, libutil, userland
                   1826: Notes:         Requires a major bump of all libraries except libc, libutil.
1.290     mrg      1827:
                   1828: Branch:                rtr-xorg-branch
                   1829: Description:   xorg & static build alterations to src/x11
                   1830: Status:                Dead; replaced by src/external/mit/xorg
                   1831: Start Date:    Nov 15 2004
                   1832: End Date:      ?
                   1833: Base tag:      rtr-xorg-branch-base
                   1834: Maintainer:    Tyler R. Retzlaff <rtr@NetBSD.org>
                   1835: Scope:         x11
                   1836:                distrib/sets/lists
                   1837:                share/mk/bsd.x11.mk
                   1838:                share/mk/bsd.own.mk
                   1839:                etc/mtree/NetBSD.dist
                   1840: Notes:         Requires parts of xsrc/xfree (HEAD)
                   1841:                xsrc/local, xsrc/xfree/xc/programs/Xserver/hw/netbsd
                   1842:                Requires xorg (XORG-6_8_1)
                   1843:
                   1844: Branch:                gmcgarry_ctxsw
                   1845: Description:   Separate scheduler from context-switch code
                   1846: Status:                Dead; replaced by cpu_switchto / yamt-idlelwp branch
                   1847: Start Date:    18 December 2002
                   1848: End Date:
                   1849: Base Tag:      gmcgarry_ctxsw_base
                   1850: Maintainer:    Gregory McGarry <gmcgarry@NetBSD.org>
                   1851: Scope:         kernel
                   1852: Notes:         Removing knowledge of the scheduler and its run queues
                   1853:                from the machine-dependent context switch code is the
                   1854:                first step in cleaning up the scheduler.  It is necessary
                   1855:                for the newlock branch, making the scheduler SMP friendly,
                   1856:                adding real-time scheduler extensions, and reducing the
                   1857:                number of code paths for LWP and proc switching.
                   1858:
                   1859: Branch:                nick-hppapmap
                   1860: Description:   Update of hppa pmap with OpenBSD code.
                   1861: Status:        Terminated; merged to -current
                   1862: Start Date:    27 October 2008
                   1863: End Date:      30 April 2009
                   1864: Base Tag:      nick-hppapmap-base3
                   1865: Maintainer:    Nick Hudson <skrll@NetBSD.org>
                   1866: Scope:         sys/
                   1867: Notes:         Port of the OpenBSD pmap including support for PA2.0 CPUs in
                   1868:                32-bit mode.
                   1869:
                   1870: Branch:                thorpej-atomic
                   1871: Description:   Implementation of an atomic memory operations API modeled
                   1872:                after the one in Solaris 10.
                   1873: Status:                Terminated; merged to -current
                   1874: Start Date:    Apr 11 2007
                   1875: End Date:      Nov 18 2007
                   1876: Base tag:      thorpej-atomic-base
                   1877: Maintainer:    Jason Thorpe <thorpej@netbsd.org>
                   1878: Scope:         src/common
                   1879:                src/sys
                   1880: Notes:         Base atomic primitives need to be implemented for
                   1881:                all of the supported architectures:
                   1882:
                   1883:                alpha           DONE
                   1884:                arm             DONE
                   1885:                hppa
                   1886:                i386            DONE
                   1887:                ia64
                   1888:                m68k            DONE (except for 68010)
                   1889:                mips
                   1890:                ns32k
                   1891:                powerpc         DONE except for membar_*()
                   1892:                powerpc64       DONE except for membar_*()
                   1893:                sh3
                   1894:                sparc           DONE except for membar_*()
                   1895:                sparc64         DONE except for membar_*()
                   1896:                vax
                   1897:                x86_64          DONE
                   1898:
                   1899:                Tested:
                   1900:
                   1901:                alpha           NO
                   1902:                arm             NO
                   1903:                hppa            NO
                   1904:                i386            NO
                   1905:                ia64            NO
                   1906:                m68k            NO
                   1907:                mips            NO
                   1908:                ns32k           NO
                   1909:                powerpc         NO
                   1910:                powerpc64       NO
                   1911:                sh3             NO
                   1912:                sparc           NO
                   1913:                sparc64         NO
                   1914:                vax             NO
                   1915:                x86_64          NO
                   1916:
                   1917:                TODO:
                   1918:
                   1919:                all             - Need to replace mb_*() with membar_*().
                   1920:
                   1921:                                - Audit MUTEX_CAS() and RWLOCK_CAS() uses
                   1922:                                  to see of membar_enter() is required here.
                   1923:
                   1924:                                - Talk to ad@ -- figure out of non-atomic
                   1925:                                  mutex / rwlock release is actually safe.
                   1926:
                   1927:                arm             - Consider using a RAS technique like
                   1928:                                  MIPS uses for _lock_cas() and the mutex
                   1929:                                  stubs.  Possibly do more than one atomic
                   1930:                                  op as a RAS.  Possibly implement mutex
                   1931:                                  stubs using the technique.
                   1932:
                   1933:                m68k            - Need to do 68010 support.
                   1934:
                   1935:                i386            - Need to change when x86_patch() is called
                   1936:                                  so we can test ncpus.
                   1937:
                   1938:                powerpc         - Figure out if we need barriers in the
                   1939:                                  atomic ops themselves (hopefully not!)
                   1940:
                   1941:                x86_64          - Need to change when x86_patch() is called
                   1942:                                  so we can test ncpus.
                   1943:
1.79      briggs   1944: ########################################################################
1.1       lukem    1945: # Other:
1.79      briggs   1946: ########################################################################
1.1       lukem    1947:
                   1948: Branch:                magnum
                   1949: Description:   ?
                   1950: Status:                ?
                   1951: Start Date:
                   1952: End Date:
                   1953: Base Tag:      magnum-base
                   1954: Maintainer:    ?
                   1955: Scope:         kernel
                   1956: Notes:
1.69      elad     1957:

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