Dan Williams <dan.j.williams@xxxxxxxxx> writes: > Changes since v1 [1]: > * Include another patch make sure that function-number zero can be > safely used as an invalid function number (Jeff) > * Add a comment clarifying why zero is an invalid function number (Jeff) > * Pass nfit_mem to cmd_to_func() (Jeff) > * Collect a Tested-by from Sujith > [1]: https://lists.01.org/pipermail/linux-nvdimm/2019-January/019435.html For the series: Reviewed-by: Jeff Moyer <jmoyer@xxxxxxxxxx> Thanks, Dan! > > --- > > Quote patch2 changelog: > > The _DSM function number validation only happens to succeed when the > generic Linux command number translation corresponds with a > DSM-family-specific function number. This breaks NVDIMM-N > implementations that correctly implement _LSR, _LSW, and _LSI, but do > not happen to publish support for DSM function numbers 4, 5, and 6. > > Recall that the support for _LS{I,R,W} family of methods results in the > DIMM being marked as supporting those command numbers at > acpi_nfit_register_dimms() time. The DSM function mask is only used for > ND_CMD_CALL support of non-NVDIMM_FAMILY_INTEL devices. > > --- > > Dan Williams (2): > acpi/nfit: Block function zero DSMs > acpi/nfit: Fix command-supported detection > > > drivers/acpi/nfit/core.c | 53 ++++++++++++++++++++++++++++++++++------------ > 1 file changed, 39 insertions(+), 14 deletions(-)