[GIT PULL] Please pull powerpc/linux.git powerpc-5.8-3 tag

[Michael Ellerman]

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Hi Linus,

Please pull some more powerpc fixes for 5.8.

These have all been in linux-next since Thursday, but I rebased last night to
drop a commit, so the time stamps on the last few commits reflect that.

The following changes since commit b3a9e3b9622ae10064826dccb4f7a52bd88c7407:

  Linux 5.8-rc1 (2020-06-14 12:45:04 -0700)

are available in the git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git tags/powerpc-5.8-3

for you to fetch changes up to c0e1c8c22bebecef40097c80c1c74492ff96d081:

  powerpc/8xx: Provide ptep_get() with 16k pages (2020-06-20 22:14:54 +1000)

- ------------------------------------------------------------------
powerpc fixes for 5.8 #3

One fix for the interrupt rework we did last release which broke KVM-PR.

Three commits fixing some fallout from the READ_ONCE() changes interacting badly
with our 8xx 16K pages support, which uses a pte_t that is a structure of 4
actual PTEs.

A cleanup of the 8xx pte_update() to use the newly added pmd_off().

A fix for a crash when handling an oops if CONFIG_DEBUG_VIRTUAL is enabled.

A minor fix for the SPU syscall generation.

Thanks to:
  Aneesh Kumar K.V, Christian Zigotzky, Christophe Leroy, Mike Rapoport,
  Nicholas Piggin.

- ------------------------------------------------------------------
Aneesh Kumar K.V (1):
      powerpc: Fix kernel crash in show_instructions() w/DEBUG_VIRTUAL

Christophe Leroy (3):
      mm/gup: Use huge_ptep_get() in gup_hugepte()
      mm: Allow arches to provide ptep_get()
      powerpc/8xx: Provide ptep_get() with 16k pages

Michael Ellerman (1):
      powerpc/syscalls: Use the number when building SPU syscall table

Mike Rapoport (1):
      powerpc/8xx: use pmd_off() to access a PMD entry in pte_update()

Nicholas Piggin (1):
      powerpc/64s: Fix KVM interrupt using wrong save area


 arch/powerpc/include/asm/nohash/32/pgtable.h | 18 +++++++++++++-----
 arch/powerpc/kernel/exceptions-64s.S         |  4 ++--
 arch/powerpc/kernel/process.c                | 20 +++++++++++---------
 arch/powerpc/platforms/cell/spu_callbacks.c  |  2 +-
 include/asm-generic/hugetlb.h                |  2 +-
 include/linux/pgtable.h                      |  7 +++++++
 mm/gup.c                                     |  4 ++--
 7 files changed, 37 insertions(+), 20 deletions(-)
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