From: Tony Luck <tony.luck@intel.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Tony Luck <tony.luck@intel.com>,
x86@kernel.org, Andy Lutomirski <luto@kernel.org>,
linux-kernel@vger.kernel.org
Subject: [PATCH v2 0/7] New way to track mce notifier chain actions
Date: Fri, 14 Feb 2020 14:27:13 -0800 [thread overview]
Message-ID: <20200214222720.13168-1-tony.luck@intel.com> (raw)
In-Reply-To: <20200212204652.1489-1-tony.luck@intel.com>
Parts 1 & 2 are just cleanup. CEC should follow the same rules
as everyone else who wants to be on the mce notifier chain. No
real reason for it to have direct hooks into mce/core.c
[No substantive change since RFC version 1, but note that
I have kept the change to make CEC a "normal" user of
the mce notifier chain. Result is a few checks for
if (mce->kflags & MCE_HANDLED_CEC) in EDAC etc. drivers.]
Part 3 adds a field to struct mce, and defines the BIT fields
for each class of notifier. All EDAC drivers share the same BIT
since only one of them should be active.
[Boris: Changed name of new field to "kflags" and made
it __u64, so plenty of space for possible future
other uses]
Part 4 Re-done since draft based on Luto and Tglx comments that
we should kill of all usage of NOTIFY_STOP. This patch
now gets rid of all but one. That's an AMD case where
it looks like they don't want to decode some particular
errors on a specific platform. The right fix for that
is to take Luto's advice and filter out before that item
gets to the notifier chain. We even already have a filter
function (filter_mce) to do that! But that change needs
to be handled by someone with the appropriate h/w.
Part 5 Now just checks for mce->kflags in the default handler at
the end of the chain to decide whether to print.
Part 6 NEW - add mce=print_all option to override default and
print everything to the console. Intended for debug, or
desperation scenarios where other logs are lost.
Part 7 NEW - Delete the code that tries to make sure only one
out of acpi_extlog and the current loaded EDAC driver
deals with an error.
Tony Luck (7):
x86/mce: Rename "first" function as "early"
x86/mce: Convert corrected error collector to use mce notifier
x86/mce: Add new "kflags" field to "struct mce"
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
x86/mce: Drop the EDAC report status checks
arch/x86/include/asm/mce.h | 15 +++----
arch/x86/include/uapi/asm/mce.h | 9 ++++
arch/x86/kernel/cpu/mce/core.c | 58 ++++++++------------------
arch/x86/kernel/cpu/mce/dev-mcelog.c | 5 +++
arch/x86/kernel/cpu/mce/internal.h | 1 +
drivers/acpi/acpi_extlog.c | 19 ++-------
drivers/acpi/nfit/mce.c | 1 +
drivers/edac/edac_mc.c | 61 ----------------------------
drivers/edac/i7core_edac.c | 5 ++-
drivers/edac/mce_amd.c | 9 +++-
drivers/edac/pnd2_edac.c | 8 ++--
drivers/edac/sb_edac.c | 7 ++--
drivers/edac/skx_common.c | 3 +-
drivers/ras/cec.c | 29 +++++++++++++
include/linux/edac.h | 8 ----
15 files changed, 91 insertions(+), 147 deletions(-)
base-commit: b19e8c68470385dd2c5440876591fddb02c8c402
--
2.21.1
next prev parent reply other threads:[~2020-02-14 22:28 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-12 20:46 [RFC PATCH 0/5] New way to track mce notifier chain actions Tony Luck
2020-02-12 20:46 ` [PATCH 1/5] x86/mce: Rename "first" function as "early" Tony Luck
2020-02-12 20:46 ` [PATCH 2/5] x86/mce: Convert corrected error collector to use mce notifier Tony Luck
2020-02-12 20:46 ` [PATCH 3/5] x86/mce: Add new "handled" field to "struct mce" Tony Luck
2020-02-13 16:56 ` Borislav Petkov
2020-02-13 22:09 ` Luck, Tony
2020-02-14 8:50 ` Borislav Petkov
2020-02-12 20:46 ` [PATCH 4/5] x86/mce: Fix all mce notifiers to update the mce->handled bitmask Tony Luck
2020-02-13 17:03 ` Borislav Petkov
2020-02-13 22:19 ` Luck, Tony
2020-02-13 22:27 ` Andy Lutomirski
2020-02-13 23:08 ` Luck, Tony
2020-02-14 9:02 ` Borislav Petkov
2020-02-14 0:18 ` Thomas Gleixner
2020-02-14 8:59 ` Borislav Petkov
2020-02-12 20:46 ` [PATCH 5/5] x86/mce: Change default mce logger to check mce->handled Tony Luck
2020-02-13 17:08 ` Borislav Petkov
2020-02-13 22:27 ` Luck, Tony
2020-02-14 9:05 ` Borislav Petkov
2020-02-12 23:08 ` [RFC PATCH 0/5] New way to track mce notifier chain actions Luck, Tony
2020-02-13 5:52 ` Andy Lutomirski
2020-02-13 6:09 ` Borislav Petkov
2020-02-13 16:05 ` Andy Lutomirski
2020-02-14 22:27 ` Tony Luck [this message]
2020-02-14 22:27 ` [PATCH v2 1/7] x86/mce: Rename "first" function as "early" Tony Luck
2020-04-15 9:49 ` [tip: ras/core] " tip-bot2 for Tony Luck
2020-02-14 22:27 ` [PATCH v2 2/7] x86/mce: Convert corrected error collector to use mce notifier Tony Luck
2020-04-15 9:49 ` [tip: ras/core] x86/mce: Convert the CEC to use the MCE notifier tip-bot2 for Tony Luck
2020-02-14 22:27 ` [PATCH v2 3/7] x86/mce: Add new "kflags" field to "struct mce" Tony Luck
2020-04-15 9:49 ` [tip: ras/core] x86/mce: Add a struct mce.kflags field tip-bot2 for Tony Luck
2020-04-15 18:19 ` Luck, Tony
2020-04-15 18:36 ` Borislav Petkov
2020-04-15 19:58 ` [PATCH] x86/mce: Drop bogus comment about mce.kflags Luck, Tony
2020-04-17 9:21 ` [tip: ras/core] " tip-bot2 for Tony Luck
2020-04-20 8:06 ` [tip: ras/core] x86/mce: Add a struct mce.kflags field Christoph Hellwig
2020-04-20 8:42 ` Borislav Petkov
2020-02-14 22:27 ` [PATCH v2 4/7] x86/mce: Fix all mce notifiers to update the mce->kflags bitmask Tony Luck
2020-04-07 8:21 ` Borislav Petkov
2020-04-15 9:49 ` [tip: ras/core] " tip-bot2 for Tony Luck
2020-02-14 22:27 ` [PATCH v2 5/7] x86/mce: Change default mce logger to check mce->kflags Tony Luck
2020-04-07 11:10 ` Borislav Petkov
2020-04-07 16:43 ` Luck, Tony
2020-04-07 19:37 ` Borislav Petkov
2020-04-07 19:44 ` Luck, Tony
2020-04-15 9:49 ` [tip: ras/core] x86/mce: Change default MCE " tip-bot2 for Tony Luck
2020-02-14 22:27 ` [PATCH v2 6/7] x86/mce: Add mce=print_all option Tony Luck
2020-04-15 9:49 ` [tip: ras/core] " tip-bot2 for Tony Luck
2020-02-14 22:27 ` [PATCH v2 7/7] x86/mce: Drop the EDAC report status checks Tony Luck
2020-04-15 9:49 ` [tip: ras/core] EDAC: " tip-bot2 for Tony Luck
2020-04-07 16:34 ` [PATCH 0/9 v3] New way to track mce notifier chain actions Borislav Petkov
2020-04-07 16:34 ` [PATCH 1/9] x86/mce/amd, edac: Remove report_gart_errors Borislav Petkov
2020-04-15 9:49 ` [tip: ras/core] " tip-bot2 for Borislav Petkov
2020-04-07 16:34 ` [PATCH 2/9] x86/mce: Rename "first" function as "early" Borislav Petkov
2020-04-07 16:34 ` [PATCH 3/9] x86/mce: Convert the CEC to use the MCE notifier Borislav Petkov
2020-04-07 16:34 ` [PATCH 4/9] x86/mce: Add a struct mce.kflags field Borislav Petkov
2020-04-07 16:34 ` [PATCH 5/9] x86/mce: Fix all mce notifiers to update the mce->kflags bitmask Borislav Petkov
2020-04-07 16:34 ` [PATCH 6/9] x86/mce: Change default MCE logger to check mce->kflags Borislav Petkov
2020-04-07 16:34 ` [PATCH 7/9] x86/mce: Add mce=print_all option Borislav Petkov
2020-04-07 16:34 ` [PATCH 8/9] EDAC: Drop the EDAC report status checks Borislav Petkov
2020-04-07 16:34 ` [PATCH 9/9] x86/mce: Fixup exception only for the correct MCEs Borislav Petkov
2020-04-15 9:49 ` [tip: ras/core] " tip-bot2 for Borislav Petkov
2020-04-07 19:53 ` [PATCH 0/9 v3] New way to track mce notifier chain actions Luck, Tony
2020-04-07 19:56 ` Borislav Petkov
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