On Mon, 25 Mar 2019 16:37:07 -0700 Dan Williams <dan.j.williams@xxxxxxxxx> wrote: > On Mon, Mar 25, 2019 at 4:09 PM Brice Goglin <Brice.Goglin@xxxxxxxx> wrote: > > > > > > Le 25/03/2019 à 20:29, Dan Williams a écrit : > > > Perhaps "path" might be a suitable replacement identifier rather than > > > type. I.e. memory that originates from an ACPI.NFIT root device is > > > likely "pmem". > > > > > > Could work. > > > > What kind of "path" would we get for other types of memory? (DDR, > > non-ACPI-based based PMEM if any, NVMe PMR?) > > I think for memory that is described by the HMAT "Reservation hint", > and no other ACPI table, it would need to have "HMAT" in the path. For > anything not ACPI it gets easier because the path can be the parent > PCI device. > There is no HMAT reservation hint in ACPI 6.3 - but there are other ways of doing much the same thing so this is just a nitpick. J
