[GIT PULL] Please pull powerpc/linux.git powerpc-5.7-2 tag

[Michael Ellerman]

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Hi Linus,

Please pull some more powerpc updates for 5.7.

The bulk of this is the series to make CONFIG_COMPAT user-selectable, it's been
around for a long time but was blocked behind the syscall-in-C series. Plus
there's also a few fixes and other minor things.

cheers


The following changes since commit c17eb4dca5a353a9dbbb8ad6934fe57af7165e91:

  powerpc: Make setjmp/longjmp signature standard (2020-04-01 14:30:51 +1100)

are available in the git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git tags/powerpc-5.7-2

for you to fetch changes up to 6ba4a2d3591039aea1cb45c7c42262d26351a2fa:

  selftests/powerpc: Always build the tm-poison test 64-bit (2020-04-04 21:41:40 +1100)

- ------------------------------------------------------------------
powerpc updates for 5.7 #2

 - A fix for a crash in machine check handling on pseries (ie. guests)

 - A small series to make it possible to disable CONFIG_COMPAT, and turn it off
   by default for ppc64le where it's not used.

 - A few other miscellaneous fixes and small improvements.

Thanks to:
  Alexey Kardashevskiy, Anju T Sudhakar, Arnd Bergmann, Christophe Leroy, Dan
  Carpenter, Ganesh Goudar, Geert Uytterhoeven, Geoff Levand, Mahesh Salgaonkar,
  Markus Elfring, Michal Suchanek, Nicholas Piggin, Stephen Boyd, Wen Xiong.

- ------------------------------------------------------------------
Alexey Kardashevskiy (1):
      powerpc/pseries/ddw: Extend upper limit for huge DMA window for persistent memory

Anju T Sudhakar (2):
      powerpc/perf: Implement a global lock to avoid races between trace, core and thread imc events.
      powerpc/powernv: Re-enable imc trace-mode in kernel

Dan Carpenter (1):
      powerpc/ps3: Remove an unneeded NULL check

Ganesh Goudar (1):
      powerpc/pseries: Fix MCE handling on pseries

Geert Uytterhoeven (1):
      powerpc/time: Replace <linux/clk-provider.h> by <linux/of_clk.h>

Geoff Levand (1):
      powerpc/ps3: Set CONFIG_UEVENT_HELPER=y in ps3_defconfig

Markus Elfring (1):
      powerpc/ps3: Remove duplicate error message

Michael Ellerman (2):
      selftests/eeh: Skip ahci adapters
      selftests/powerpc: Always build the tm-poison test 64-bit

Michal Suchanek (7):
      powerpc: Add back __ARCH_WANT_SYS_LLSEEK macro
      powerpc: move common register copy functions from signal_32.c to signal.c
      powerpc/perf: consolidate read_user_stack_32
      powerpc/perf: consolidate valid_user_sp -> invalid_user_sp
      powerpc/64: make buildable without CONFIG_COMPAT
      powerpc/64: Make COMPAT user-selectable disabled on littleendian by default.
      powerpc/perf: split callchain.c by bitness

Nicholas Piggin (3):
      powerpc/64s: Fix doorbell wakeup msgclr optimisation
      Revert "powerpc/64: irq_work avoid interrupt when called with hardware irqs enabled"
      powerpc: Improve ppc_save_regs()


 arch/powerpc/Kconfig                             |   5 +-
 arch/powerpc/configs/ps3_defconfig               |   2 +
 arch/powerpc/include/asm/thread_info.h           |   4 +-
 arch/powerpc/include/asm/unistd.h                |   1 +
 arch/powerpc/kernel/Makefile                     |   5 +-
 arch/powerpc/kernel/entry_64.S                   |   2 +
 arch/powerpc/kernel/exceptions-64s.S             |  19 --
 arch/powerpc/kernel/irq.c                        |  13 +
 arch/powerpc/kernel/ppc_save_regs.S              |   6 +-
 arch/powerpc/kernel/ptrace/Makefile              |   2 +-
 arch/powerpc/kernel/signal.c                     | 144 +++++++-
 arch/powerpc/kernel/signal_32.c                  | 140 --------
 arch/powerpc/kernel/syscall_64.c                 |   6 +-
 arch/powerpc/kernel/time.c                       |  48 +--
 arch/powerpc/kernel/vdso.c                       |   3 +-
 arch/powerpc/perf/Makefile                       |   5 +-
 arch/powerpc/perf/callchain.c                    | 356 +-------------------
 arch/powerpc/perf/callchain.h                    |  19 ++
 arch/powerpc/perf/callchain_32.c                 | 196 +++++++++++
 arch/powerpc/perf/callchain_64.c                 | 174 ++++++++++
 arch/powerpc/perf/imc-pmu.c                      | 173 ++++++++--
 arch/powerpc/platforms/powernv/opal-imc.c        |   9 +-
 arch/powerpc/platforms/ps3/os-area.c             |   4 +-
 arch/powerpc/platforms/pseries/iommu.c           |   9 +
 arch/powerpc/platforms/pseries/ras.c             |  11 +
 drivers/ps3/sys-manager-core.c                   |   2 +-
 fs/read_write.c                                  |   3 +-
 tools/testing/selftests/powerpc/eeh/eeh-basic.sh |   5 +
 tools/testing/selftests/powerpc/tm/Makefile      |   1 +
 29 files changed, 766 insertions(+), 601 deletions(-)
 create mode 100644 arch/powerpc/perf/callchain.h
 create mode 100644 arch/powerpc/perf/callchain_32.c
 create mode 100644 arch/powerpc/perf/callchain_64.c
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