Re: [PATCH] acpi/hmat: ACPI_HMAT_MEMORY_PD_VALID is deprecated in ACPI-6.3

[Daniel Black]

On Mon, 2 Sep 2019 23:28:50 +0200
"Rafael J. Wysocki" <rafael@xxxxxxxxxx> wrote:

> On Tue, Aug 6, 2019 at 6:24 AM Daniel Black <daniel@xxxxxxxxxxxxx> wrote:
> >
> > ACPI-6.3 corresponds to when hmat revision was bumped from
> > 1 to 2. In this version ACPI_HMAT_MEMORY_PD_VALID was
> > deprecated and made reserved.
> >
> > As such in revision 2+ we shouldn't be testing this flag.
> >
> > This is as per ACPI-6.3, 5.2.27.3, Table 5-145
> > "Memory Proximity Domain Attributes Structure"
> > for Flags.
> >
> > Signed-off-by: Daniel Black <daniel@xxxxxxxxxxxxx>  
> 
> Keith, any comments?

FYI this was found when I was testing Tao Xu's qemu implementation of HMAT ACPI-6.3 which has no implementation of  ACPI_HMAT_MEMORY_PD_VALID.

Current patch implementing Memory Proximity Domain Attributes Structure:
https://patchwork.kernel.org/patch/11125301/