[GIT PULL] Timekeeping locking changes for 3.10

[John Stultz]

Hey Thomas,
    Here's the second chunk of my 3.10 timekeeping changes.

This queue includes:
* NTP locking changes needed for your shadow-timekeeping work
* Your shadow-timekeeping work
* hrtimer fixes from David and Prarit (also tagged for stable)

Let me know if you have any comments or objections!
thanks
-john


The following changes since commit 0ed2aef9b3bffe598045b62a31a50d912eee92d8:

  Merge branch 'fortglx/3.10/time' of 
git://git.linaro.org/people/jstultz/linux into timers/core (2013-04-03 
12:27:29 +0200)

are available in the git repository at:


  git://git.linaro.org/people/jstultz/linux.git fortglx/3.10/time

for you to fetch changes up to 51fd36f3fad8447c487137ae26b9d0b3ce77bb25:

  hrtimer: Fix ktime_add_ns() overflow on 32bit architectures 
(2013-04-08 13:21:20 -0700)

----------------------------------------------------------------
David Engraf (1):
      hrtimer: Fix ktime_add_ns() overflow on 32bit architectures

John Stultz (8):
      ntp: Split out timex validation from do_adjtimex
      ntp: Move do_adjtimex() and hardpps() functions to timekeeping.c
      ntp: Move timex validation to timekeeping do_adjtimex call.
      ntp: Rework do_adjtimex to take timespec and tai arguments
      timekeeping: Move ADJ_SETOFFSET to top level do_adjtimex()
      timekeeping: Hold timekeepering locks in do_adjtimex and hardpps
      timekeeping: Simplify tai updating from do_adjtimex
      ntp: Remove ntp_lock, using the timekeeping locks to protect ntp 
state

Prarit Bhargava (1):
      hrtimer: Add expiry time overflow check in hrtimer_interrupt

Thomas Gleixner (4):
      timekeeping: Store cycle_last value in timekeeper struct as well
      timekeeping: Delay update of clock->cycle_last
      timekeeping: Implement a shadow timekeeper
      timekeeping: Shorten seq_count region

 include/linux/timekeeper_internal.h |    2 +
 include/linux/timex.h               |    7 --
 kernel/hrtimer.c                    |    6 ++
 kernel/time/ntp.c                   |   99 ++++++++---------------------
 kernel/time/ntp_internal.h          |   12 ++++
 kernel/time/timekeeping.c           |  120 
+++++++++++++++++++++++++++++------
 6 files changed, 148 insertions(+), 98 deletions(-)
 create mode 100644 kernel/time/ntp_internal.h
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