linux-kernel - Re: [PATCH v3 1/3] RAS: Introduce AMD Address Translation Library

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Message-ID: <20231213164837.GHZXngZW3TYvBN41Ma@fat_crate.local>
Date:   Wed, 13 Dec 2023 17:48:37 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Yazen Ghannam <yazen.ghannam@....com>
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
        tony.luck@...el.com, x86@...nel.org, avadhut.naik@....com,
        john.allen@....com, william.roche@...cle.com,
        muralidhara.mk@....com
Subject: Re: [PATCH v3 1/3] RAS: Introduce AMD Address Translation Library

On Wed, Dec 13, 2023 at 10:35:55AM -0500, Yazen Ghannam wrote:
> I agree in principle. But I don't think it hurts to include an additional
> line to avoid the confusion when the module doesn't load.

It does hurt because this turns into constant family updating the moment
a new family appears. This is one of the major reasons why we do CPUID
bits.

> Also, the SMCA feature is used here as a short-cut to match on systems with
> a Data Fabric. We could use the Zen feature in the same way.

We could.

What is the main description of the environment an ATL library belongs
into: a SMCA system or a Zen-based system?

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette