On Wed, Aug 19, 2020 at 09:35:43AM -0500, Alex Kluver wrote:
> Memory errors could be printed with incorrect row values since the DIMM
> size has outgrown the 16 bit row field in the CPER structure. UEFI
> Specification Version 2.8 has increased the size of row by allowing it to
> use the first 2 bits from a previously reserved space within the structure.
>
> When needed, add the extension bits to the row value printed.
>
> Based on UEFI 2.8 Table 299. Memory Error Record
>
> Reviewed-by: Kyle Meyer <kyle.meyer@xxxxxxx>
> Reviewed-by: Steve Wahl <steve.wahl@xxxxxxx>
> Tested-by: Russ Anderson <russ.anderson@xxxxxxx>
> Signed-off-by: Alex Kluver <alex.kluver@xxxxxxx>
> ---
>
> v1 -> v2:
> * Add static inline cper_get_mem_extension() to make it
> more readable, as suggested by Borislav Petkov.
>
> * Add second patch for bank field, bank group, and chip id.
>
> ---
> drivers/edac/ghes_edac.c | 8 ++++++--
> drivers/firmware/efi/cper.c | 9 +++++++--
> include/linux/cper.h | 16 ++++++++++++++--
> 3 files changed, 27 insertions(+), 6 deletions(-)
For the EDAC bits:
Acked-by: Borislav Petkov <bp@xxxxxxx>
Also, I could take both through the EDAC tree, if people prefer.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
