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[GIT PULL] Please pull powerpc/linux.git powerpc-4.13-6 tag

Hi Linus,

Please pull some more powerpc fixes for 4.13:

The following changes since commit 3db40c312c2c1eb2187c5731102fa8ff380e6e40:

  powerpc/64: Fix __check_irq_replay missing decrementer interrupt (2017-08-04 12:55:49 +1000)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git tags/powerpc-4.13-6

for you to fetch changes up to 96ea91e7b6ee2c406598d859e7348b4829404eea:

  powerpc/watchdog: add locking around init/exit functions (2017-08-09 23:45:33 +1000)

powerpc fixes for 4.13 #6

All fixes for code that went in this cycle.

 - A revert of an optimisation to the syscall exit path, which could lead to an
   oops on either older machines or machines with > 1T of memory.
 - Disable some deep idle states if the firmware configuration for them fails.
 - Re-enable HARD/SOFT lockup detectors in defconfigs after a Kconfig change.
 - Six fairly small patches fixing bugs in our new watchdog code.

Thanks to:
  Gautham R. Shenoy, Nicholas Piggin.

Gautham R. Shenoy (1):
      powerpc/powernv/idle: Disable LOSE_FULL_CONTEXT states when stop-api fails

Michael Ellerman (2):
      Revert "powerpc/64: Avoid restore_math call if possible in syscall exit"
      powerpc/configs: Re-enable HARD/SOFT lockup detectors

Nicholas Piggin (6):
      powerpc: NMI IPI improve lock primitive
      powerpc/watchdog: Improve watchdog lock primitive
      powerpc/watchdog: Moderate touch_nmi_watchdog overhead
      powerpc/watchdog: Fix final-check recovered case
      powerpc/watchdog: Fix marking of stuck CPUs
      powerpc/watchdog: add locking around init/exit functions

 arch/powerpc/configs/powernv_defconfig |  3 +-
 arch/powerpc/configs/ppc64_defconfig   |  3 +-
 arch/powerpc/configs/pseries_defconfig |  3 +-
 arch/powerpc/kernel/entry_64.S         | 60 ++++++++++------------------------
 arch/powerpc/kernel/process.c          |  4 ---
 arch/powerpc/kernel/smp.c              |  6 ++--
 arch/powerpc/kernel/watchdog.c         | 49 +++++++++++++++++++--------
 arch/powerpc/platforms/powernv/idle.c  | 41 +++++++++++++++++++++--
 drivers/cpuidle/cpuidle-powernv.c      | 10 ++++++
 9 files changed, 111 insertions(+), 68 deletions(-)

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