[GIT PULL] MIPS fixes for 4.18-rc5

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Hi Linus,

Here are a couple more MIPS fixes for 4.18; please pull.

Thanks,
    Paul

The following changes since commit 662d855c66c0a7400f9117b6ac02047942cd1d22:

  MIPS: Add ksig argument to rseq_{signal_deliver,handle_notify_resume} (2018-06-24 10:33:03 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git tags/mips_fixes_4.18_3

for you to fetch changes up to 523402fa9101090c91d2033b7ebdfdcf65880488:

  MIPS: Fix ioremap() RAM check (2018-07-05 14:43:21 -0700)

----------------------------------------------------------------
A couple more MIPS fixes for 4.18:

  - Use async IPIs for arch_trigger_cpumask_backtrace() in order to
    avoid warnings & deadlocks, fixing a problem introduced in v3.19
    with the fix trivial to backport as far as v4.9.

  - Fix ioremap()'s MMU/TLB backed path to avoid spuriously rejecting
    valid requests due to an incorrect belief that the memory region is
    backed by potentially-in-use RAM. This fixes a regression in v4.2.

----------------------------------------------------------------
Paul Burton (3):
      MIPS: Call dump_stack() from show_regs()
      MIPS: Use async IPIs for arch_trigger_cpumask_backtrace()
      MIPS: Fix ioremap() RAM check

 arch/mips/kernel/process.c | 43 +++++++++++++++++++++++++++++--------------
 arch/mips/kernel/traps.c   |  1 +
 arch/mips/mm/ioremap.c     | 37 +++++++++++++++++++++++++------------
 3 files changed, 55 insertions(+), 26 deletions(-)

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