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Starting with Zen4, AMD's Scalable MCA systems incorporate two new registers: MCA_SYND1 and MCA_SYND2. These registers will include supplemental error information in addition to the existing MCA_SYND register. The data within these registers is considered valid if MCA_STATUS[SyndV] is set. Userspace error decoding tools like rasdaemon gather related hardware error information through the tracepoints. Therefore, export these two registers through the mce_record tracepoint so that tools like rasdaemon can parse them and output the supplemental error information like FRU text contained in them. [ bp: Massage. ] Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com> Signed-off-by: Avadhut Naik <avadhut.naik@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Link: https://lore.kernel.org/r/20241022194158.110073-4-avadhut.naik@amd.com |
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