Smita Koralahalli wrote: [snip] > +static void cxl_cper_post_prot_err(struct cxl_cper_sec_prot_err *prot_err, > + int severity) > +{ > + struct cxl_cper_prot_err_work_data wd; > + u8 *dvsec_start, *cap_start; > + > + if (!(prot_err->valid_bits & PROT_ERR_VALID_AGENT_ADDRESS)) { > + pr_err_ratelimited("CXL CPER invalid agent type\n"); > + return; > + } > + > + if (!(prot_err->valid_bits & PROT_ERR_VALID_ERROR_LOG)) { > + pr_err_ratelimited("CXL CPER invalid protocol error log\n"); > + return; > + } > + > + if (prot_err->err_len != sizeof(struct cxl_ras_capability_regs)) { > + pr_err_ratelimited("CXL CPER invalid RAS Cap size (%u)\n", > + prot_err->err_len); > + return; > + } > + > + if (!(prot_err->valid_bits & PROT_ERR_VALID_SERIAL_NUMBER)) > + pr_warn(FW_WARN "CXL CPER no device serial number\n"); > + > + switch (prot_err->agent_type) { > + case RCD: > + case DEVICE: > + case LD: > + case FMLD: > + case RP: > + case DSP: > + case USP: > + memcpy(&wd.prot_err, prot_err, sizeof(wd.prot_err)); > + > + dvsec_start = (u8 *)(prot_err + 1); > + cap_start = dvsec_start + prot_err->dvsec_len; > + > + memcpy(&wd.ras_cap, cap_start, sizeof(wd.ras_cap)); > + wd.severity = cper_severity_to_aer(severity); cper_severity_to_aer() is predicated on #ifdef CONFIG_ACPI_APEI_PCIEAER int cper_severity_to_aer(int cper_severity) { ... So if that is not set this does not compile. Other than that it looks good, Ira [snip]