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  1. 17 May, 2012 1 commit
  2. 16 May, 2012 1 commit
    • Paul Gortmaker's avatar
      net: delete all instances of special processing for token ring · 211ed865
      Paul Gortmaker authored
      We are going to delete the Token ring support.  This removes any
      special processing in the core networking for token ring, (aside
      from net/tr.c itself), leaving the drivers and remaining tokenring
      support present but inert.
      
      The mass removal of the drivers and net/tr.c will be in a separate
      commit, so that the history of these files that we still care
      about won't have the giant deletion tied into their history.
      Signed-off-by: default avatarPaul Gortmaker <paul.gortmaker@windriver.com>
      211ed865
  3. 15 May, 2012 1 commit
  4. 24 Apr, 2012 1 commit
    • Eric Dumazet's avatar
      net: add a limit parameter to sk_add_backlog() · f545a38f
      Eric Dumazet authored
      sk_add_backlog() & sk_rcvqueues_full() hard coded sk_rcvbuf as the
      memory limit. We need to make this limit a parameter for TCP use.
      
      No functional change expected in this patch, all callers still using the
      old sk_rcvbuf limit.
      Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
      Cc: Neal Cardwell <ncardwell@google.com>
      Cc: Tom Herbert <therbert@google.com>
      Cc: Maciej Żenczykowski <maze@google.com>
      Cc: Yuchung Cheng <ycheng@google.com>
      Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
      Cc: Rick Jones <rick.jones2@hp.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      f545a38f
  5. 21 Apr, 2012 2 commits
  6. 15 Apr, 2012 1 commit
  7. 24 Jan, 2012 1 commit
  8. 19 Dec, 2011 1 commit
  9. 31 Oct, 2011 1 commit
  10. 12 Apr, 2011 1 commit
  11. 28 Feb, 2011 1 commit
  12. 08 Dec, 2010 2 commits
    • Eric Dumazet's avatar
      net: RCU conversion of dev_getbyhwaddr() and arp_ioctl() · 941666c2
      Eric Dumazet authored
      Le dimanche 05 décembre 2010 à 09:19 +0100, Eric Dumazet a écrit :
      
      > Hmm..
      >
      > If somebody can explain why RTNL is held in arp_ioctl() (and therefore
      > in arp_req_delete()), we might first remove RTNL use in arp_ioctl() so
      > that your patch can be applied.
      >
      > Right now it is not good, because RTNL wont be necessarly held when you
      > are going to call arp_invalidate() ?
      
      While doing this analysis, I found a refcount bug in llc, I'll send a
      patch for net-2.6
      
      Meanwhile, here is the patch for net-next-2.6
      
      Your patch then can be applied after mine.
      
      Thanks
      
      [PATCH] net: RCU conversion of dev_getbyhwaddr() and arp_ioctl()
      
      dev_getbyhwaddr() was called under RTNL.
      
      Rename it to dev_getbyhwaddr_rcu() and change all its caller to now use
      RCU locking instead of RTNL.
      
      Change arp_ioctl() to use RCU instead of RTNL locking.
      
      Note: this fix a dev refcount bug in llc
      Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      941666c2
    • Eric Dumazet's avatar
      llc: fix a device refcount imbalance · 35d9b0c9
      Eric Dumazet authored
      Le dimanche 05 décembre 2010 à 12:23 +0100, Eric Dumazet a écrit :
      > Le dimanche 05 décembre 2010 à 09:19 +0100, Eric Dumazet a écrit :
      >
      > > Hmm..
      > >
      > > If somebody can explain why RTNL is held in arp_ioctl() (and therefore
      > > in arp_req_delete()), we might first remove RTNL use in arp_ioctl() so
      > > that your patch can be applied.
      > >
      > > Right now it is not good, because RTNL wont be necessarly held when you
      > > are going to call arp_invalidate() ?
      >
      > While doing this analysis, I found a refcount bug in llc, I'll send a
      > patch for net-2.6
      
      Oh well, of course I must first fix the bug in net-2.6, and wait David
      pull the fix in net-next-2.6 before sending this rcu conversion.
      
      Note: this patch should be sent to stable teams (2.6.34 and up)
      
      [PATCH net-2.6] llc: fix a device refcount imbalance
      
      commit abf9d537 (llc: add support for SO_BINDTODEVICE) added one
      refcount imbalance in llc_ui_bind(), because dev_getbyhwaddr() doesnt
      take a reference on device, while dev_get_by_index() does.
      
      Fix this using RCU locking. And since an RCU conversion will be done for
      2.6.38 for dev_getbyhwaddr(), put the rcu_read_lock/unlock exactly at
      their final place.
      Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
      Cc: stable@kernel.org
      Cc: Octavian Purdila <opurdila@ixiacom.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      35d9b0c9
  13. 17 Sep, 2010 1 commit
  14. 13 Sep, 2010 1 commit
  15. 10 May, 2010 1 commit
  16. 20 Apr, 2010 1 commit
  17. 30 Mar, 2010 1 commit
    • Tejun Heo's avatar
      include cleanup: Update gfp.h and slab.h includes to prepare for breaking... · 5a0e3ad6
      Tejun Heo authored
      include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
      
      percpu.h is included by sched.h and module.h and thus ends up being
      included when building most .c files.  percpu.h includes slab.h which
      in turn includes gfp.h making everything defined by the two files
      universally available and complicating inclusion dependencies.
      
      percpu.h -> slab.h dependency is about to be removed.  Prepare for
      this change by updating users of gfp and slab facilities include those
      headers directly instead of assuming availability.  As this conversion
      needs to touch large number of source files, the following script is
      used as the basis of conversion.
      
        http://userweb.kernel.org/~tj/misc/slabh-sweep.py
      
      The script does the followings.
      
      * Scan files for gfp and slab usages and update includes such that
        only the necessary includes are there.  ie. if only gfp is used,
        gfp.h, if slab is used, slab.h.
      
      * When the script inserts a new include, it looks at the include
        blocks and try to put the new include such that its order conforms
        to its surrounding.  It's put in the include block which contains
        core kernel includes, in the same order that the rest are ordered -
        alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
        doesn't seem to be any matching order.
      
      * If the script can't find a place to put a new include (mostly
        because the file doesn't have fitting include block), it prints out
        an error message indicating which .h file needs to be added to the
        file.
      
      The conversion was done in the following steps.
      
      1. The initial automatic conversion of all .c files updated slightly
         over 4000 files, deleting around 700 includes and adding ~480 gfp.h
         and ~3000 slab.h inclusions.  The script emitted errors for ~400
         files.
      
      2. Each error was manually checked.  Some didn't need the inclusion,
         some needed manual addition while adding it to implementation .h or
         embedding .c file was more appropriate for others.  This step added
         inclusions to around 150 files.
      
      3. The script was run again and the output was compared to the edits
         from #2 to make sure no file was left behind.
      
      4. Several build tests were done and a couple of problems were fixed.
         e.g. lib/decompress_*.c used malloc/free() wrappers around slab
         APIs requiring slab.h to be added manually.
      
      5. The script was run on all .h files but without automatically
         editing them as sprinkling gfp.h and slab.h inclusions around .h
         files could easily lead to inclusion dependency hell.  Most gfp.h
         inclusion directives were ignored as stuff from gfp.h was usually
         wildly available and often used in preprocessor macros.  Each
         slab.h inclusion directive was examined and added manually as
         necessary.
      
      6. percpu.h was updated not to include slab.h.
      
      7. Build test were done on the following configurations and failures
         were fixed.  CONFIG_GCOV_KERNEL was turned off for all tests (as my
         distributed build env didn't work with gcov compiles) and a few
         more options had to be turned off depending on archs to make things
         build (like ipr on powerpc/64 which failed due to missing writeq).
      
         * x86 and x86_64 UP and SMP allmodconfig and a custom test config.
         * powerpc and powerpc64 SMP allmodconfig
         * sparc and sparc64 SMP allmodconfig
         * ia64 SMP allmodconfig
         * s390 SMP allmodconfig
         * alpha SMP allmodconfig
         * um on x86_64 SMP allmodconfig
      
      8. percpu.h modifications were reverted so that it could be applied as
         a separate patch and serve as bisection point.
      
      Given the fact that I had only a couple of failures from tests on step
      6, I'm fairly confident about the coverage of this conversion patch.
      If there is a breakage, it's likely to be something in one of the arch
      headers which should be easily discoverable easily on most builds of
      the specific arch.
      Signed-off-by: default avatarTejun Heo <tj@kernel.org>
      Guess-its-ok-by: default avatarChristoph Lameter <cl@linux-foundation.org>
      Cc: Ingo Molnar <mingo@redhat.com>
      Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
      5a0e3ad6
  18. 24 Mar, 2010 1 commit
  19. 05 Mar, 2010 2 commits
  20. 27 Dec, 2009 9 commits
  21. 25 Nov, 2009 1 commit
  22. 12 Nov, 2009 1 commit
    • Eric W. Biederman's avatar
      sysctl net: Remove unused binary sysctl code · f8572d8f
      Eric W. Biederman authored
      Now that sys_sysctl is a compatiblity wrapper around /proc/sys
      all sysctl strategy routines, and all ctl_name and strategy
      entries in the sysctl tables are unused, and can be
      revmoed.
      
      In addition neigh_sysctl_register has been modified to no longer
      take a strategy argument and it's callers have been modified not
      to pass one.
      
      Cc: "David Miller" <davem@davemloft.net>
      Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
      Cc: netdev@vger.kernel.org
      Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
      f8572d8f
  23. 06 Nov, 2009 1 commit
  24. 07 Oct, 2009 1 commit
  25. 30 Sep, 2009 1 commit
  26. 24 Aug, 2009 1 commit
  27. 05 Aug, 2009 1 commit
  28. 18 Jun, 2009 1 commit
  29. 29 May, 2009 1 commit