Re: [PATCH v4 06/13] x86/platform/uv: Add and Decode Arch Type in UVsystab

From: Borislav Petkov
Date: Tue Oct 06 2020 - 11:20:13 EST


On Mon, Oct 05, 2020 at 02:35:58PM -0700, Mike Travis wrote:
>
>
> On 10/5/2020 2:21 PM, Borislav Petkov wrote:
> > On Mon, Oct 05, 2020 at 03:39:22PM -0500, Mike Travis wrote:
> > > A patch to add and process the UV Arch Type field in the UVsystab passed
> > > from UV BIOS to the kernel.
> >
> > What does that mean?
> >
>
> There have been recent cases where OEM's want to use the OEM_ID in the ACPI
> tables to brand their own product. The UV BIOS used that field to tell the
> Linux kernel which UV arch the running system is. The Arch Type in the
> UVsystab (also created by UV BIOS) now carries that field in systems that
> support it.

I am unclear on the whole patch passing from UV BIOS to the kernel. Are
you talking about a kernel patch here? If so, commit ID is? Or what kind
of patch are you talking about?

--
Regards/Gruss,
Boris.

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