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UCNA/DEFERRED error
Until now, the mce_severity mechanism can only identify the severity
of UCNA error as MCE_KEEP_SEVERITY. Meanwhile, it is not able to filter
out DEFERRED error for AMD platform.
This patch extends the mce_severity mechanism for handling
UCNA/DEFERRED error. In order to do this, the patch introduces a new
severity level - MCE_UCNA/DEFERRED_SEVERITY.
In addition, mce_severity is specific to machine check exception,
and it will check MCIP/EIPV/RIPV bits. In order to use mce_severity
mechanism in non-exception context, the patch also introduces a new
argument (is_excp) for mce_severity. `is_excp' is used to explicitly
specify the calling context of mce_severity.
Reviewed-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>
Signed-off-by: Chen Yucong <slaoub@gmail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Initially, those strings describing different parts of an MCE message
were shared with amd64_edac and were therefore exported to modules.
However, all except pp_msgs are used only in one place right now so hide
them and make them static.
No functionality change.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Borislav Petkov <bp@alien8.de>
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Add MCE decoding logic for AMD Family 16h processors.
Boris:
- drop unneeded uu_msgs export
- exit early in cat_mc1_mce and save us an indentation level
Signed-off-by: Jacob Shin <jacob.shin@amd.com>
Signed-off-by: Borislav Petkov <bp@alien8.de>
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Currently only AMD Family 15h processors have special handling for MC2
errors. Since upcoming Family 16h will also need unique handling, let's
make MC2 handling part of amd_decoder_ops.
Signed-off-by: Jacob Shin <jacob.shin@amd.com>
Signed-off-by: Borislav Petkov <bp@alien8.de>
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Dump error status after decoding the error which describes the error
disposition.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Having the functional unit names in each bank decode is only misleading
as this code supports multiple families and there's no guarantee the
mapping between FUs and MCE banks will stay the same.
And also, knowing the functional unit name doesn't help much since you
end up looking at the respective BKDG anyway.
So drop all FU references and use the MC bank numbers instead.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Needed for shifting 64-bit values on 32-bit, like MSR values,
for example.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frank Arnold <frank.arnold@amd.com>
Link: http://lkml.kernel.org/r/1337684026-19740-1-git-send-email-bp@amd64.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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... so that checkpatch can chill out.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Reviewed-by: Andreas Herrmann <andreas.herrmann3@amd.com>
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Correct their formulation, replace per-family functions with a single,
unified lookup table.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Reviewed-by: Andreas Herrmann <andreas.herrmann3@amd.com>
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Drop third nbcfg argument which is old remains and not required anymore.
No functionality change.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Use the struct mce directly instead of copying from it into a custom
struct err_regs.
No functionality change.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Remove reporting of errors with UC bit set - this is done by the MCE
decoding code anyway and this driver deals with DRAM ECC errors only. UC
(NB uncorrectable error) doesn't necessarily mean it is a DRAM error.
Remove unused macros while at it.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Make macro names shorter thus making code shorter and more clear.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Add support for decoding F15h IC MCEs.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Add a decoder for F15h DC MCEs to support the new types of DC MCEs
introduced by the BD microarchitecture.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Add a macro for 64-bit vectors to use when accessing MSR contents.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Add support for decoding F14h BU MCEs and improve decoding of the
remaining families.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Add support for IC MCEs for F14h CPUs. K8 and F10h are almost identical
so use one function for both.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Add a per-family data cache decoders. Since there is a certain overlap
between the different DC MCE signatures, reuse functionality between the
families as far as possible.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Drop "edac_" string from the filenames since they're prefixed with edac/
in their pathname anyway.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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