Messages in this thread | | | Date | Fri, 28 Jun 2013 10:31:57 -0700 | Subject | Re: [PATCH v2 2/2] mce: acpi/apei: Add a boot option to disable ff mode for corrected errors | From | Tony Luck <> |
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> + if (sec_sev == GHES_SEV_CORRECTED && > + (gdata->flags & CPER_SEC_ERROR_THRESHOLD_EXCEEDED) && > + (mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS)) { > + unsigned long pfn; > + pfn = mem_err->physical_addr >> PAGE_SHIFT;
As Reagan said "Trust ... but verify" ... we should make sure BIOS gave us a good pfn if (pfn_valid(pfn)) soft_memory_failure_queue(pfn, 0, 0); else printk( ...something about BIOS giving us bad pfn = %lu\n", pfn); > + }
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