linux-kernel - RE: [PATCH linux-next 0/2] ACPI: Add support for ACPI RAS2 feature table

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Message-ID: <SJ1PR11MB60838072FDD00EDA9E3742D2FCC82@SJ1PR11MB6083.namprd11.prod.outlook.com>
Date: Tue, 4 Mar 2025 20:46:16 +0000
From: "Luck, Tony" <tony.luck@...el.com>
To: Borislav Petkov <bp@...en8.de>, Shiju Jose <shiju.jose@...wei.com>
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Subject: RE: [PATCH linux-next 0/2] ACPI: Add support for ACPI RAS2 feature
 table

> > Some of these variables, for e.g. requested_address_range are not defined
> > in this patch, but in the 'include/acpi/actbl2.h'.
> > My understanding is that those changes required to upstream first via
> > https://github.com/acpica/acpica ?
>
> Are you sure?
>
> ...
>  * Additional ACPI Tables (2)
>  *
>  * These tables are not consumed directly by the ACPICA subsystem, but are
>  * included here to support device drivers and the AML disassembler.
>  ...
>
> In any case, if this goes through me, I will have to review it first as it
> looks funky.

That requested_address_range field has been in the
acpi_rasf_patrol_scrub_parameter structure since 2018

Got moved/copied into the acpi_ras2_patrol_scrub_parameter structure
in 2023.

$ git blame include/acpi/actbl2.h | grep requested_address_range
e62f8227851da (Erik Kaneda                2018-02-15 13:09:26 -0800 2722)       u64 requested_address_range[2];
2e94dc1189804 (Shiju Jose                 2023-09-27 17:41:52 +0100 2829)       u64 requested_address_range[2];

-Tony