[SRU][bionic][PATCH 0/5] powerpc fixes (deadlock/snooze)

[Kamal Mostafa]

Customer-requested fixes for two bugs.  These are all upstream cherry-picks
which affect only powerpc.

  Watchdog CPU:19 Hard LOCKUP when kernel crash was triggered
  BugLink: http://bugs.launchpad.net/bugs/1790636

  Ubuntu18.04.1: cpuidle: powernv: Fix promotion from snooze if next state disabled (performance)
  BugLink: http://bugs.launchpad.net/bugs/1790602

 -Kamal

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Gautham R. Shenoy (1):
  cpuidle: powernv: Fix promotion from snooze if next state disabled

Nicholas Piggin (4):
  powerpc: hard disable irqs in smp_send_stop loop
  powerpc: Fix deadlock with multiple calls to smp_send_stop
  powerpc: smp_send_stop do not offline stopped CPUs
  powerpc/powernv: Fix opal_event_shutdown() called with interrupts
    disabled

 arch/powerpc/kernel/smp.c                     | 48 ++++++++++++++++++---------
 arch/powerpc/platforms/powernv/opal-irqchip.c |  2 +-
 drivers/cpuidle/cpuidle-powernv.c             | 32 ++++++++++++++----
 3 files changed, 60 insertions(+), 22 deletions(-)

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2.7.4