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2014-11-19x86, mce, severity: Extend the the mce_severity mechanism to handle UCNA/DEFERRED errorChen Yucong1-3/+0
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>
2013-01-22EDAC, MCE, AMD: Remove unneeded exportsBorislav Petkov1-7/+2
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>
2013-01-22EDAC, MCE, AMD: Add MCE decoding support for Family 16hJacob Shin1-0/+3
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>
2013-01-22EDAC, MCE, AMD: Make MC2 decoding per-familyJacob Shin1-0/+1
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>
2012-11-28MCE, AMD: Dump error statusBorislav Petkov1-4/+2
Dump error status after decoding the error which describes the error disposition. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2012-11-28MCE, AMD: Remove functional unit referencesBorislav Petkov1-3/+2
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>
2012-05-23x86/bitops: Move BIT_64() for a wider useBorislav Petkov1-2/+0
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>
2012-03-19MCE, AMD: Constify error tablesBorislav Petkov1-6/+6
... so that checkpatch can chill out. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Reviewed-by: Andreas Herrmann <andreas.herrmann3@amd.com>
2012-03-19MCE, AMD: Rework NB MCE signaturesBorislav Petkov1-1/+0
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>
2011-10-06EDAC, MCE, AMD: Simplify NB MCE decoder interfaceBorislav Petkov1-3/+3
Drop third nbcfg argument which is old remains and not required anymore. No functionality change. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Simplify decoding pathBorislav Petkov1-12/+0
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>
2011-03-17amd64_edac: Cleanup NBSH cruftBorislav Petkov1-13/+5
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>
2011-01-07EDAC, MCE: Overhaul error fields extraction macrosBorislav Petkov1-5/+5
Make macro names shorter thus making code shorter and more clear. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07EDAC, MCE: Add F15h IC MCE decoderBorislav Petkov1-1/+1
Add support for decoding F15h IC MCEs. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07EDAC, MCE: Add F15h DC MCE decoderBorislav Petkov1-1/+1
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>
2010-10-21EDAC, MCE: Add a BIT_64() macroBorislav Petkov1-0/+2
Add a macro for 64-bit vectors to use when accessing MSR contents. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2010-10-21EDAC, MCE: Complete NB MCE decodersBorislav Petkov1-2/+1
Add support for decoding F14h BU MCEs and improve decoding of the remaining families. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2010-10-21EDAC, MCE: Adjust IC decoders to F14hBorislav Petkov1-0/+1
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>
2010-10-21EDAC, MCE: Adjust DC decoders to F14hBorislav Petkov1-0/+40
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>
2010-10-21EDAC, MCE: Rename filesBorislav Petkov1-0/+72
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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