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New way to track mce notifier chain actions

From:  Borislav Petkov <bp-AT-alien8.de>
To:  Tony Luck <tony.luck-AT-intel.com>
Subject:  [PATCH 0/9 v3] New way to track mce notifier chain actions
Date:  Tue, 7 Apr 2020 18:34:05 +0200
Message-ID:  <20200407163414.18058-1-bp@alien8.de>
Cc:  Yazen Ghannam <Yazen.Ghannam-AT-amd.com>, X86 ML <x86-AT-kernel.org>, LKML <linux-kernel-AT-vger.kernel.org>
Archive-link:  Article

From: Borislav Petkov <bp@suse.de>

Hi all,

here's what I have. I'd like to keep mce.kflags hidden for now.

The last patch is something tglx spotted yesterday and fixing that with
the MCE flags is pretty easy - was boxing with a wrapper struct around
struct mce and that gets really ugly.

Tony, I'm open to suggestions how to test it - I probably don't have an
access to such box which can trigger read errors on nvdimms or what was
the use case?

Thx.

Borislav Petkov (2):
  x86/mce/amd, edac: Remove report_gart_errors
  x86/mce: Fixup exception only for the correct MCEs

Tony Luck (7):
  x86/mce: Rename "first" function as "early"
  x86/mce: Convert the CEC to use the MCE notifier
  x86/mce: Add a struct mce.kflags field
  x86/mce: Fix all mce notifiers to update the mce->kflags bitmask
  x86/mce: Change default MCE logger to check mce->kflags
  x86/mce: Add mce=print_all option
  EDAC: Drop the EDAC report status checks

 arch/x86/include/asm/mce.h           | 28 +++++++----
 arch/x86/include/uapi/asm/mce.h      |  1 +
 arch/x86/kernel/cpu/mce/amd.c        |  9 +++-
 arch/x86/kernel/cpu/mce/core.c       | 72 +++++++++++-----------------
 arch/x86/kernel/cpu/mce/dev-mcelog.c |  5 ++
 arch/x86/kernel/cpu/mce/internal.h   |  1 +
 arch/x86/kernel/cpu/mce/severity.c   |  6 ++-
 drivers/acpi/acpi_extlog.c           | 19 ++------
 drivers/acpi/nfit/mce.c              |  1 +
 drivers/edac/amd64_edac.c            |  8 ----
 drivers/edac/edac_mc.c               | 61 -----------------------
 drivers/edac/i7core_edac.c           |  5 +-
 drivers/edac/mce_amd.c               | 28 ++---------
 drivers/edac/mce_amd.h               |  2 -
 drivers/edac/pnd2_edac.c             |  8 ++--
 drivers/edac/sb_edac.c               |  7 ++-
 drivers/edac/skx_common.c            |  3 +-
 drivers/ras/cec.c                    | 33 ++++++++++++-
 include/linux/edac.h                 |  8 ----
 include/linux/ras.h                  |  5 --
 20 files changed, 118 insertions(+), 192 deletions(-)

-- 
2.21.0



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