Re: [PATCH -next v4 0/3] minor improvements for x86 mce processing

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Hi Borislav and Tony,

On 2024/1/11 21:55, Tong Tiangen wrote:
In this patchset, we remove the unused macro EX_TYPE_COPY and centralize
the processing of memory-failure to do_machine_check() to avoid calling
memory_failure_queue() separately for different MC-Safe scenarios. In
addition, MCE_IN_KERNEL_COPYIN is renamed MCE_IN_KERNEL_COPY_MC to expand
its usage scope.

The patchset is a followup[1], as Borislav suggested[2], we firstly
cleanup unused EX_TYPE_COPY, then rename MCE_IN_KERNEL_COPYIN to
reduce confusion, could you give us some comments about it,
many thanks.


[1]https://lore.kernel.org/linux-mm/20230526063242.133656-1-wangkefeng.wang@xxxxxxxxxx/

[2] https://lore.kernel.org/linux-edac/20230602160138.GDZHoSYsWoPAinMszk@fat_crate.local/
since v3:
   1. Rebased on linux-next tag next-20240111.
   2. Delete duplicate commit references on patch 3.

since v2:
   1. remove redundant fixup type EX_TYPE_COPY.
   2. rename MCE_IN_KERNEL_COPYIN to MCE_IN_KERNEL_COPY_MC.
   3. update patch3's commit message and the processing logic of
      EX_TYPE_DEFAULT_MCE_SAFE based on the discussion of [1].

Kefeng Wang (1):
   x86/mce: set MCE_IN_KERNEL_COPY_MC for DEFAULT_MCE_SAFE exception

Tong Tiangen (2):
   x86/mce: remove redundant fixup type EX_TYPE_COPY
   x86/mce: rename MCE_IN_KERNEL_COPYIN to MCE_IN_KERNEL_COPY_MC

  arch/x86/include/asm/asm.h                 |  3 ---
  arch/x86/include/asm/extable_fixup_types.h | 23 +++++++++++-----------
  arch/x86/include/asm/mce.h                 |  8 ++++----
  arch/x86/kernel/cpu/mce/core.c             |  2 +-
  arch/x86/kernel/cpu/mce/severity.c         |  7 +++----
  arch/x86/mm/extable.c                      |  9 ---------
  mm/ksm.c                                   |  1 -
  mm/memory.c                                | 13 ++++--------
  8 files changed, 23 insertions(+), 43 deletions(-)






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