RFC Teach EDAC driver about NVDIMMs
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b4 am [email protected]Versions newest first
- v1 RFC Latest4 patches 10 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/4 | acpi, nfit: Add function to look up nvdimm device and provide SMBIOS handledrivers/ include/ | +46 | 0 replies | |
| 2/4 | firmware: dmi: Add function to look up a handle and return DIMM sizedrivers/ include/ | +31 | 3 replies | |
| 3/4 | edac: Add new memory type for non-volatile DIMMsdrivers/ drivers/ include/ | +6 | 2 replies | |
| 4/4 | EDAC, skx_edac: Detect non-volatile DIMMsdrivers/ drivers/ | +53 | 5 replies |
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No Reviewed-by, Acked-by or Tested-by trailers for v1 yet.
Cover letter [RFC PATCH 0/4] Teach EDAC driver about NVDIMMs
A Skylake server may have some DIMM slots filled with NVDIMMs instead of normal DDR4 DIMMs. These are enumerated differently by the memory controller.
Sadly there isn't an easy way to just peek at some memory controller register to find the size of these DIMMs, so we have to rely on the NFIT and SMBIOS tables to get that information.
This series only tackles the topology function of the EDAC driver. A later series of patches will fix the address translation parts so that errors in NVDIMMs will be reported correctly.
It's marked "RFC" because it depends on the new ACPCIA version 20171110 which has only just made it to Rafael's tree.
Some of you may only care about some of the parts that touch code you maintain, but I copied you on all four because you might like to see the bigger picture.
Tony Luck (4):
acpi, nfit: Add function to look up nvdimm device and provide SMBIOS
handle
firmware: dmi: Add function to look up a handle and return DIMM size
edac: Add new memory type for non-volatile DIMMs
EDAC, skx_edac: Detect non-volatile DIMMs
drivers/acpi/nfit/core.c | 27 +++++++++++++++++++++ drivers/edac/Kconfig | 2 ++ drivers/edac/edac_mc.c | 1 + drivers/edac/edac_mc_sysfs.c | 3 ++- drivers/edac/skx_edac.c | 56 ++++++++++++++++++++++++++++++++++++++++---- drivers/firmware/dmi_scan.c | 29 +++++++++++++++++++++++ include/acpi/nfit.h | 19 +++++++++++++++ include/linux/dmi.h | 2 ++ include/linux/edac.h | 3 +++ 9 files changed, 136 insertions(+), 6 deletions(-) create mode 100644 include/acpi/nfit.h
base-commit: 3fc70f8be59950ee2deecefdddb68be19b8cddd1
Signature · 6 lines
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