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(Thanks Mark for the review) On 11/4/26 12:07, Pierre Gondois wrote: > + Ashok > > On 11/4/26 12:03, Pierre Gondois wrote: >> The support is mostly duplicated from Memory Error Section handling. >> Other than differences coming from the content of  Memory Error >> Section 1 and 2, differences in the support are: >> >> - v2 do not rely on a compact "struct cper_mem_err_compact" struct. >> This structure was used to support older versions of the Memory >> Error Section (1). This is not needed for the new structure. >> >> - The compact version is also used by the tracing framework. >> To avoid relying and propagating a non-standard record format, >> through trace event (cf. extlog_mem event) the new trace event >> prints each field individually. >> >> The last patch of the serie was only build-tested due to the >> absence of relevant hardware. apei_mce_report_mem_error() and >> arch_apei_report_mem_error() implementations were also removed since >> last version. >> >> It will also require a proper handling from the rasdaemon. Applying >> this last patch without rasdaemon support will silent the reports of >> Memory Error Section 2 error, cf. ras_userspace_consumers() check. >> >> Future: >> - _OSC support >> - Addition of arm64 tracepoints >> https://lore.kernel.org/lkml/20261023170405.000060b8@oss.qualcomm.com/ >> - Emission of lossy CPER Mem error v1 tracepoints for legacy userspace >>    tools >> https://lore.kernel.org/lkml/at0rs4parlHFGI7k@hu-ashoraj-lv.qualcomm.com/ >> >> >> >> RFC: >> https://lore.kernel.org/all/20260929074659.2587216-1-pierre.gondois@arm.com/#t >> V1: >> https://lore.kernel.org/all/20261019145643.1877246-1-pierre.gondois@arm.com/ >> - Corrections from Jonathan's review >> - New patch: >>      [PATCH v2 4/6] EDAC/ghes: Extract error report initialization >> - Last patch not in RFC as it has been reviewed by Jonathan@ >>      [PATCH v2 6/6] ACPI: extlog: add Memory Error Section 2 trace event >> V2: >> - Updated ghes_edac_init_error() to ghes_edac_init_error_desc(), >>    which now only acts on the input "struct edac_raw_error_desc" >>    + added lockdep_assert_held() to ghes_edac_init_error_desc() >> - Accumulate failures with "queued |=" in ghes_do_proc() >> - New PATCH: >>    [PATCH v3 5/7] ACPI: APEI: Extract common memory failure handling >> >> Pierre Gondois (7): >>    cper: use BIT_ULL() for processor and memory validation bits >>    cper: add Memory Error Section 2 structures >>    cper: add helpers to handle Memory Error Section 2 >>    EDAC/ghes: Extract error report initialization >>    ACPI: APEI: Extract common memory failure handling >>    ACPI: APEI: add separate Memory Error Section 2 handlers >>    ACPI: extlog: add Memory Error Section 2 trace event >> >>   drivers/acpi/acpi_extlog.c  |   6 ++ >>   drivers/acpi/apei/ghes.c    |  58 +++++++++-- >>   drivers/edac/ghes_edac.c    | 189 +++++++++++++++++++++++++++++------- >>   drivers/firmware/efi/cper.c | 109 +++++++++++++++++++++ >>   drivers/ras/ras.c           |   1 + >>   include/acpi/ghes.h         |   2 + >>   include/linux/cper.h        | 129 +++++++++++++++++------- >>   include/ras/ras_event.h     | 102 +++++++++++++++++++ >>   8 files changed, 518 insertions(+), 78 deletions(-) >> >> -- >> 2.43.0