Eric Lee / smarc-fsl-linux-kernel

01 Nov, 2011

2 commits

02 Aug, 2011

1 commit

  • a9b3cd7f3   rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER ... Browse Code »

    When assigning a NULL value to an RCU protected pointer, no barrier
    is needed. The rcu_assign_pointer, used to handle that but will soon
    change to not handle the special case.

    Convert all rcu_assign_pointer of NULL value.

    //smpl
    @@ expression P; @@

    - rcu_assign_pointer(P, NULL)
    + RCU_INIT_POINTER(P, NULL)

    //

    Signed-off-by: Stephen Hemminger
    Acked-by: Paul E. McKenney
    Signed-off-by: David S. Miller

    Stephen Hemminger
     

24 May, 2011

1 commit

21 May, 2011

1 commit

13 May, 2011

1 commit

  • f607a1580   garp: remove last synchronize_rcu() call ... Browse Code »

    When removing last vlan from a device, garp_uninit_applicant() calls
    synchronize_rcu() to make sure no user can still manipulate struct
    garp_applicant before we free it.

    Use call_rcu() instead, as a step to further net_device dismantle
    optimizations.

    Add the temporary garp_cleanup_module() function to make sure no pending
    call_rcu() are left at module unload time [ this will be removed when
    kfree_rcu() is available ]

    Signed-off-by: Eric Dumazet
    Signed-off-by: David S. Miller

    Eric Dumazet
     

10 May, 2011

1 commit

  • da37e3687   garp: remove one synchronize_rcu() call ... Browse Code »

    Speedup vlan dismantling in CONFIG_VLAN_8021Q_GVRP=y cases,
    by using a call_rcu() to free the memory instead of waiting with
    expensive synchronize_rcu() [ while RTNL is held ]

    Signed-off-by: Eric Dumazet
    Cc: Ben Greear
    Cc: Patrick McHardy
    Cc: Paul E. McKenney
    Signed-off-by: David S. Miller

    Eric Dumazet
     

26 Oct, 2010

1 commit

  • 3cc77ec74   net/802: add __rcu annotations ... Browse Code »

    (struct net_device)->garp_port is rcu protected :
    (struct garp_port)->applicants is rcu protected :

    add __rcu annotation and proper rcu primitives.

    Signed-off-by: Eric Dumazet
    Signed-off-by: David S. Miller

    Eric Dumazet
     

24 Sep, 2010

1 commit

12 Apr, 2010

1 commit

04 Apr, 2010

1 commit

  • 22bedad3c   net: convert multicast list to list_head ... Browse Code »

    Converts the list and the core manipulating with it to be the same as uc_list.

    +uses two functions for adding/removing mc address (normal and "global"
    variant) instead of a function parameter.
    +removes dev_mcast.c completely.
    +exposes netdev_hw_addr_list_* macros along with __hw_addr_* functions for
    manipulation with lists on a sandbox (used in bonding and 80211 drivers)

    Signed-off-by: Jiri Pirko
    Signed-off-by: David S. Miller

    Jiri Pirko
     

30 Mar, 2010

1 commit

  • 5a0e3ad6a   include cleanup: Update gfp.h and slab.h includes to prepare for breaking implic… ... Browse Code »

    …it 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: Tejun Heo <tj@kernel.org>
    Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
    Cc: Ingo Molnar <mingo@redhat.com>
    Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>

    Tejun Heo
     

12 Nov, 2009

1 commit

  • f8572d8f2   sysctl net: Remove unused binary sysctl code ... Browse Code »

    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"
    Cc: Hideaki YOSHIFUJI
    Cc: netdev@vger.kernel.org
    Signed-off-by: Eric W. Biederman

    Eric W. Biederman
     

25 May, 2009

1 commit

11 Apr, 2009

1 commit

07 Apr, 2009

1 commit

22 Mar, 2009

1 commit

05 Mar, 2009

1 commit

04 Mar, 2009

1 commit

  • 422247451   net: fix tokenring license ... Browse Code »

    Currently, modular tokenring ("tr") lacks a license and fails to load:

    tr: module license 'unspecified' taints kernel.
    tr: Unknown symbol proc_net_fops_create

    Beacuse of this, no tokenring driver can load if it depends on modular
    tr. Fix this by adding GPL module license as it is in the kernel.

    With this fix, tr module loads fine and tms380 driver also loads. Well,
    it does'nt work but that's a different bug.

    Signed-off-by: Meelis Roos
    Signed-off-by: David S. Miller

    Meelis Roos
     

27 Feb, 2009

1 commit

  • 81c553299   net/802: fix sparse warnings: context imbalance ... Browse Code »

    Impact: Attribute function with __acquires(...) resp. __releases(...).

    Fix this sparse warnings:
    net/802/tr.c:492:21: warning: context imbalance in 'rif_seq_start' - wrong count at exit
    net/802/tr.c:519:13: warning: context imbalance in 'rif_seq_stop' - unexpected unlock

    Signed-off-by: Hannes Eder
    Signed-off-by: David S. Miller

    Hannes Eder
     

23 Feb, 2009

1 commit

  • 0117cfabe   snap: handle registration error and compile warning ... Browse Code »

    If this module can't load, it is almost certainly because something else
    is already bound to that SAP. So in that case, return the same error code
    as other SAP usage, and fail the module load.

    Also fixes a compiler warning about printk of non const.

    Signed-off-by: Stephen Hemminger
    Acked-by: Arnaldo Carvalho de Melo
    Signed-off-by: David S. Miller

    Stephen Hemminger
     

01 Feb, 2009

1 commit

21 Nov, 2008

2 commits

04 Nov, 2008

1 commit

  • 6d9f239a1   net: '&' redux ... Browse Code »

    I want to compile out proc_* and sysctl_* handlers totally and
    stub them to NULL depending on config options, however usage of &
    will prevent this, since taking adress of NULL pointer will break
    compilation.

    So, drop & in front of every ->proc_handler and every ->strategy
    handler, it was never needed in fact.

    Signed-off-by: Alexey Dobriyan
    Signed-off-by: David S. Miller

    Alexey Dobriyan
     

28 Oct, 2008

1 commit

  • e174961ca   net: convert print_mac to %pM ... Browse Code »

    This converts pretty much everything to print_mac. There were
    a few things that had conflicts which I have just dropped for
    now, no harm done.

    I've built an allyesconfig with this and looked at the files
    that weren't built very carefully, but it's a huge patch.

    Signed-off-by: Johannes Berg
    Signed-off-by: David S. Miller

    Johannes Berg
     

15 Oct, 2008

1 commit

14 Oct, 2008

1 commit

  • 113aa838e   net: Rationalise email address: Network Specific Parts ... Browse Code »

    Clean up the various different email addresses of mine listed in the code
    to a single current and valid address. As Dave says his network merges
    for 2.6.28 are now done this seems a good point to send them in where
    they won't risk disrupting real changes.

    Signed-off-by: Alan Cox
    Signed-off-by: David S. Miller

    Alan Cox
     

26 Jul, 2008

1 commit

  • 696adfe84   list_for_each_rcu must die: networking ... Browse Code »

    All uses of list_for_each_rcu() can be profitably replaced by the
    easier-to-use list_for_each_entry_rcu(). This patch makes this change for
    networking, in preparation for removing the list_for_each_rcu() API
    entirely.

    Acked-by: David S. Miller
    Signed-off-by: Paul E. McKenney
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Paul E. McKenney
     

18 Jul, 2008

1 commit

17 Jul, 2008

1 commit

06 Jul, 2008

2 commits

  • eca9ebac6   net: Add GARP applicant-only participant ... Browse Code »

    Add an implementation of the GARP (Generic Attribute Registration Protocol)
    applicant-only participant. This will be used by the following patch to
    add GVRP support to the VLAN code.

    Signed-off-by: Patrick McHardy
    Signed-off-by: David S. Miller

    Patrick McHardy
     
  • a19800d70   net: Add STP demux layer ... Browse Code »

    Add small STP demux layer for demuxing STP PDUs based on MAC address.
    This is needed to run both GARP and STP in parallel (or even load the
    modules) since both use LLC_SAP_BSPAN.

    Signed-off-by: Patrick McHardy
    Signed-off-by: David S. Miller

    Patrick McHardy
     

19 May, 2008

1 commit

  • 82524746c   rcu: split list.h and move rcu-protected lists into rculist.h ... Browse Code »

    Move rcu-protected lists from list.h into a new header file rculist.h.

    This is done because list are a very used primitive structure all over the
    kernel and it's currently impossible to include other header files in this
    list.h without creating some circular dependencies.

    For example, list.h implements rcu-protected list and uses rcu_dereference()
    without including rcupdate.h. It actually compiles because users of
    rcu_dereference() are macros. Others RCU functions could be used too but
    aren't probably because of this.

    Therefore this patch creates rculist.h which includes rcupdates without to
    many changes/troubles.

    Signed-off-by: Franck Bui-Huu
    Acked-by: Paul E. McKenney
    Acked-by: Josh Triplett
    Signed-off-by: Andrew Morton
    Signed-off-by: Ingo Molnar

    Franck Bui-Huu
     

01 Feb, 2008

1 commit

29 Jan, 2008

2 commits

  • 36f0bebd9   [TR]: Use ctl paths to register net/token-ring/ table ... Browse Code »

    The same thing for token-ring - use ctl paths and get
    rid of external references on the tr_table.

    Unfortunately, I couldn't split this patch into cleanup and
    use-the-paths parts.

    As a lame excuse I can say, that the cleanup is just moving
    the tr_table from one file to another - closet to a single
    variable, that this ctl table tunes. Since the source file
    becomes empty after the move, I remove it.

    Signed-off-by: Pavel Emelyanov
    Signed-off-by: David S. Miller

    Pavel Emelyanov
     
  • b24b8a247   [NET]: Convert init_timer into setup_timer ... Browse Code »

    Many-many code in the kernel initialized the timer->function
    and timer->data together with calling init_timer(timer). There
    is already a helper for this. Use it for networking code.

    The patch is HUGE, but makes the code 130 lines shorter
    (98 insertions(+), 228 deletions(-)).

    Signed-off-by: Pavel Emelyanov
    Acked-by: Arnaldo Carvalho de Melo
    Signed-off-by: David S. Miller

    Pavel Emelyanov
     

14 Jan, 2008

1 commit

11 Oct, 2007

2 commits