Messages in this thread | | | From | "Rafael J. Wysocki" <> | Date | Thu, 17 Oct 2019 23:51:23 +0200 | Subject | Re: [PATCH v7 11/12] acpi/numa/hmat: Register HMAT at device_initcall level |
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On Wed, Oct 16, 2019 at 3:14 AM Dan Williams <dan.j.williams@intel.com> 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@rjwysocki.net> > Cc: Len Brown <lenb@kernel.org> > Cc: Keith Busch <kbusch@kernel.org> > Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com> > Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com> > Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> --- > 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 8f9a28a870b0..4707eb9dd07b 100644 > --- a/drivers/acpi/numa/hmat.c > +++ b/drivers/acpi/numa/hmat.c > @@ -748,4 +748,4 @@ static __init int hmat_init(void) > acpi_put_table(tbl); > return 0; > } > -subsys_initcall(hmat_init); > +device_initcall(hmat_init); >
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