On Mon, 11 Mar 2024 17:30:06 -0500 Stuart Hayes <stuart.w.hayes@xxxxxxxxx> wrote: > > > No, Linux doesn't support _DSM. It was proposed in previous > > > iterations by Stuart but I dropped it. We decided that it need to be > > > strongly rebuild because "pci/pcie" is not right place for ACPI code > > > so we cannot register _DSM driver instead of NPEM as it was proposed > > > and I don't have _DSM capable hardware to test it. > > > > I'm not sure I understand why pci/pcie isn't the right place for ACPI code-- > there are other _DSMs used in PCI code already, and this _DSM is defined > in a PCI ECN. I looked into internal review history and I found out that I dropped it after discussion with Dan Williams: > After review and discussion with Dan _DSM extension is dropped. Unfortunately, I don't remember what exactly he suggested, I just remembered conclusion that it needs to be reworked and I decided to drop it. Maybe, I didn't understand him correctly. Dan, could you take a look? Do you remember something? Thanks, Mariusz
