[git pull request] scheduler updates

[Ingo Molnar]

Linus, please pull the latest scheduler git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched.git

It includes six fixes: an s390 task-accounting fix from Christian 
Borntraeger, sysctl directory permission fixes from Eric W. Biederman, 
an SMT/MC balancing fix from Suresh Siddha (we under-balanced) and 
another fix from Suresh for debugging tweak side-effect. Plus there's a 
sched_clock() quality fix for CPUs that stop the TSC in idle (acked by 
Len Brown) and a reniced-tasks fixlet.

the SMT/MC blancing fix has the highest risk - but since it causes 
slightly more balancing (instead of less balancing, which is the more 
risky action) it should be pretty safe. Key workloads still seem fine. 
Tested on 32-bit and 64-bit x86 and it has passed 200+ make randconfig 
build tests.

	Ingo

---------------->
Christian Borntraeger (1):
      sched: accounting regression since rc1

Eric W. Biederman (1):
      sched: fix sysctl directory permissions

Ingo Molnar (2):
      sched: sched_clock_idle_[sleep|wakeup]_event()
      sched: tweak the sched_runtime_limit tunable

Suresh Siddha (2):
      sched: fix broken SMT/MC optimizations
      sched: skip updating rq's next_balance under null SD

 arch/i386/kernel/tsc.c        |    1 
 drivers/acpi/processor_idle.c |   32 +++++++++++++++----
 fs/proc/array.c               |   44 +++++++++++++++++----------
 include/linux/sched.h         |    5 +--
 kernel/sched.c                |   68 +++++++++++++++++++++++++++++++-----------
 kernel/sched_debug.c          |    3 +
 6 files changed, 110 insertions(+), 43 deletions(-)
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