20 Dec, 2011

1 commit


15 Dec, 2011

1 commit


06 Dec, 2011

1 commit

  • This patch changes fields in cpustat from a structure, to an
    u64 array. Math gets easier, and the code is more flexible.

    Signed-off-by: Glauber Costa
    Reviewed-by: KAMEZAWA Hiroyuki
    Cc: Linus Torvalds
    Cc: Andrew Morton
    Cc: Paul Tuner
    Signed-off-by: Peter Zijlstra
    Link: http://lkml.kernel.org/r/1322498719-2255-2-git-send-email-glommer@parallels.com
    Signed-off-by: Ingo Molnar

    Glauber Costa
     

02 Mar, 2011

1 commit

  • The following warning was seen building rack-meter.c

    WARNING: drivers/built-in.o(.text+0xac784): Section mismatch in reference from the function rackmeter_shutdown() to the function .devexit.text:rackmeter_stop_cpu_sniffer()
    The function rackmeter_shutdown() references a function in an exit section.
    Often the function rackmeter_stop_cpu_sniffer() has valid usage outside the exit section
    and the fix is to remove the __devexit annotation of rackmeter_stop_cpu_sniffer.

    This patch resolves the warning by removing the __devexit annotation from
    rackmeter_stop_cpu_sniffer().

    Signed-off-by: Grant Likely
    Cc: linuxppc-dev@lists.ozlabs.org
    Cc: Benjamin Herrenschmidt
    Signed-off-by: Benjamin Herrenschmidt

    Grant Likely
     

15 Dec, 2010

1 commit

  • cancel_rearming_delayed_work[queue]() has been superceded by
    cancel_delayed_work_sync() quite some time ago. Convert all the
    in-kernel users. The conversions are completely equivalent and
    trivial.

    Signed-off-by: Tejun Heo
    Acked-by: "David S. Miller"
    Acked-by: Greg Kroah-Hartman
    Acked-by: Evgeniy Polyakov
    Cc: Jeff Garzik
    Cc: Benjamin Herrenschmidt
    Cc: Mauro Carvalho Chehab
    Cc: netdev@vger.kernel.org
    Cc: Anton Vorontsov
    Cc: David Woodhouse
    Cc: "J. Bruce Fields"
    Cc: Neil Brown
    Cc: Alex Elder
    Cc: xfs-masters@oss.sgi.com
    Cc: Christoph Lameter
    Cc: Pekka Enberg
    Cc: Andrew Morton
    Cc: netfilter-devel@vger.kernel.org
    Cc: Trond Myklebust
    Cc: linux-nfs@vger.kernel.org

    Tejun Heo
     

02 Jun, 2010

1 commit

  • Grant patches added an of mach table to struct device_driver. However,
    while he changed the macio device code to use that, he left the match
    table pointer in struct macio_driver and didn't update drivers to use
    the "new" one, thus breaking the probing.

    This completes the change by moving all drivers to setup the "new"
    one, removing all traces of the old one, and while at it (since it
    changes the exact same locations), I also remove two other duplicates
    from struct driver which are the name and owner fields.

    Signed-off-by: Benjamin Herrenschmidt

    Benjamin Herrenschmidt
     

19 May, 2010

1 commit


30 Mar, 2010

1 commit

  • …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
     

21 Sep, 2009

1 commit


01 Dec, 2008

1 commit

  • * rackmeter_remove() reference needs devexit_p
    * rackmeter_setup() is calls devinit and is called only from devinit

    Signed-off-by: Al Viro
    Signed-off-by: Linus Torvalds

    Al Viro
     

22 Jul, 2007

1 commit


27 Apr, 2007

1 commit


26 Apr, 2007

1 commit


13 Apr, 2007

1 commit


10 Feb, 2007

1 commit


06 Dec, 2006

1 commit


04 Dec, 2006

1 commit

  • This is a small driver for the Xserve G5 CPU-meter blue LEDs on the
    front-panel. It might work on the Xserve G4 as well though that was
    not tested. It's pretty basic and could use some improvements if
    somebody cares doing them. :)

    Signed-off-by: Benjamin Herrenschmidt
    Signed-off-by: Paul Mackerras

    Benjamin Herrenschmidt