On Mon, Jun 24, 2019 at 8:34 PM Dan Williams <dan.j.williams@xxxxxxxxx> wrote: > > In preparation for registering device-dax instances for accessing EFI > specific-purpose memory, arrange for the HMAT registration to occur > later in the init process. Critically HMAT initialization needs to occur > after e820__reserve_resources_late() which is the point at which the > iomem resource tree is populated with "Application Reserved" > (IORES_DESC_APPLICATION_RESERVED). e820__reserve_resources_late() > happens at subsys_initcall time. > > Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx> > Cc: Len Brown <lenb@xxxxxxxxxx> > Cc: Keith Busch <keith.busch@xxxxxxxxx> > Cc: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > Reviewed-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> > Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > --- > drivers/acpi/numa/hmat.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c > index 2c220cb7b620..1d329c4af3bf 100644 > --- a/drivers/acpi/numa/hmat.c > +++ b/drivers/acpi/numa/hmat.c > @@ -671,4 +671,4 @@ static __init int hmat_init(void) > acpi_put_table(tbl); > return 0; > } > -subsys_initcall(hmat_init); > +device_initcall(hmat_init); >
