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ACPI: APEI: Better fix to avoid spamming the console with old error logs
The fix in commit 3f8dec116210 ("ACPI/APEI: Limit printable size of BERT table data") does not work as intended on systems where the BIOS has a fixed size block of memory for the BERT table, relying on s/w to quit when it finds a record with estatus->block_status == 0. On these systems all errors are suppressed because the check: if (region_len < ACPI_BERT_PRINT_MAX_LEN) always fails. New scheme skips individual CPER records that are too large, and also limits the total number of records that will be printed to 5. Fixes: 3f8dec116210 ("ACPI/APEI: Limit printable size of BERT table data") Cc: All applicable <[email protected]> Signed-off-by: Tony Luck <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]> (cherry picked from commit c3481b6b75b4797657838f44028fd28226ab48e0)
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