Re: [PATCH] acpi/hmat: Update acpi_hmat_type enum with ACPI_HMAT_TYPE_PROXIMITY

From: Keith Busch
Date: Thu Apr 18 2019 - 11:02:56 EST


On Wed, Apr 17, 2019 at 11:13:10AM -0700, Alison Schofield wrote:
> ACPI 6.3 changed the subtable "Memory Subsystem Address Range Structure"
> to "Memory Proximity Domain Attributes Structure".
>
> Updating and renaming of the structure was included in commit:
> ACPICA: ACPI 6.3: HMAT updates (9a8d961f1ef835b0d338fbe13da03cb424e87ae5)

I was not really happy with that HMAT update. Platforms implementing
6.2's HMAT continue to exist even if 6.3 isn't backward compatible. We
just lost the original subtable definition.