[GIT PULL] Please pull powerpc/linux.git powerpc-4.15-7 tag

[Michael Ellerman]

Hi Linus,

Please pull some more powerpc fixes for 4.15, sorry these are so late.

The following changes since commit ecb101aed86156ec7cd71e5dca668e09146e6994:

  powerpc/mm: Fix SEGV on mapped region to return SEGV_ACCERR (2018-01-02 21:12:33 +1100)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git tags/powerpc-4.15-7

for you to fetch changes up to 6e032b350cd1fdb830f18f8320ef0e13b4e24094:

  powerpc/powernv: Check device-tree for RFI flush settings (2018-01-10 21:27:16 +1100)

----------------------------------------------------------------
powerpc fixes for 4.15 #7

One fix for an oops at boot if we take a hotplug interrupt before we are ready
to handle it.

The bulk is patches to implement mitigation for Meltdown, see the change logs
for more details.

Thanks to:
  Nicholas Piggin, Michael Neuling, Oliver O'Halloran, Jon Masters, Jose Ricardo
  Ziviani, David Gibson.

----------------------------------------------------------------
Michael Ellerman (4):
      powerpc/pseries: Make RAS IRQ explicitly dependent on DLPAR WQ
      Merge branch 'topic/ppc-kvm' into fixes
      powerpc/64s: Add support for RFI flush of L1-D cache
      powerpc/64s: Support disabling RFI flush with no_rfi_flush and nopti

Michael Neuling (2):
      powerpc/pseries: Add H_GET_CPU_CHARACTERISTICS flags & wrapper
      powerpc/pseries: Query hypervisor for RFI flush settings

Nicholas Piggin (5):
      powerpc/64: Add macros for annotating the destination of rfid/hrfid
      powerpc/64s: Simple RFI macro conversions
      powerpc/64: Convert the syscall exit path to use RFI_TO_USER/KERNEL
      powerpc/64: Convert fast_exception_return to use RFI_TO_USER/KERNEL
      powerpc/64s: Convert slb_miss_common to use RFI_TO_USER/KERNEL

Oliver O'Halloran (1):
      powerpc/powernv: Check device-tree for RFI flush settings

 arch/powerpc/include/asm/exception-64e.h  |   6 ++
 arch/powerpc/include/asm/exception-64s.h  |  57 ++++++++++++-
 arch/powerpc/include/asm/feature-fixups.h |  13 +++
 arch/powerpc/include/asm/hvcall.h         |  17 ++++
 arch/powerpc/include/asm/paca.h           |  10 +++
 arch/powerpc/include/asm/plpar_wrappers.h |  14 +++
 arch/powerpc/include/asm/setup.h          |  13 +++
 arch/powerpc/kernel/asm-offsets.c         |   5 ++
 arch/powerpc/kernel/entry_64.S            |  44 ++++++++--
 arch/powerpc/kernel/exceptions-64s.S      | 137 +++++++++++++++++++++++++++---
 arch/powerpc/kernel/setup_64.c            | 101 ++++++++++++++++++++++
 arch/powerpc/kernel/vmlinux.lds.S         |   9 ++
 arch/powerpc/kvm/book3s_hv_rmhandlers.S   |   9 +-
 arch/powerpc/kvm/book3s_rmhandlers.S      |   7 +-
 arch/powerpc/kvm/book3s_segment.S         |   4 +-
 arch/powerpc/lib/feature-fixups.c         |  41 +++++++++
 arch/powerpc/platforms/powernv/setup.c    |  49 +++++++++++
 arch/powerpc/platforms/pseries/dlpar.c    |  21 ++++-
 arch/powerpc/platforms/pseries/pseries.h  |   2 +
 arch/powerpc/platforms/pseries/ras.c      |   3 +-
 arch/powerpc/platforms/pseries/setup.c    |  35 ++++++++
 21 files changed, 561 insertions(+), 36 deletions(-)
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