[PATCH v11 0/4] Machine check recovery when kernel accesses poison

[Tony Luck]

[Resend of v11 with Boris' "Reviewed-by" tags added. For Ingo's workflow]

-Tony

Tony Luck (4):
  x86: Expand exception table to allow new handling options
  x86, mce: Check for faults tagged in EXTABLE_CLASS_FAULT exception
    table entries
  x86, mce: Add __mcsafe_copy()
  x86: Create a new synthetic cpu capability for machine check recovery

 Documentation/x86/exception-tables.txt    |  35 +++++++
 Documentation/x86/x86_64/boot-options.txt |   2 +
 arch/x86/include/asm/asm.h                |  40 ++++----
 arch/x86/include/asm/cpufeature.h         |   1 +
 arch/x86/include/asm/mce.h                |   1 +
 arch/x86/include/asm/string_64.h          |   8 ++
 arch/x86/include/asm/uaccess.h            |  16 ++--
 arch/x86/kernel/cpu/mcheck/mce-severity.c |  22 ++++-
 arch/x86/kernel/cpu/mcheck/mce.c          |  83 +++++++++-------
 arch/x86/kernel/kprobes/core.c            |   2 +-
 arch/x86/kernel/traps.c                   |   6 +-
 arch/x86/kernel/x8664_ksyms_64.c          |   2 +
 arch/x86/lib/memcpy_64.S                  | 151 ++++++++++++++++++++++++++++++
 arch/x86/mm/extable.c                     | 100 ++++++++++++++------
 arch/x86/mm/fault.c                       |   2 +-
 scripts/sortextable.c                     |  32 +++++++
 16 files changed, 410 insertions(+), 93 deletions(-)

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2.5.0