linux-kernel - Re: [PATCH 1/2] x86/microcode/AMD: Load late on both threads too

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Message-ID: <20230816211821.GUZN09HTGo+yQ2+jd7@fat_crate.local>
Date:   Wed, 16 Aug 2023 23:18:21 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Jim Mattson <jmattson@...gle.com>
Cc:     dave.hansen@...el.com, linux-kernel@...r.kernel.org,
        stable@...nel.org, x86@...nel.org
Subject: Re: [PATCH 1/2] x86/microcode/AMD: Load late on both threads too

On Wed, Aug 16, 2023 at 01:17:00PM -0700, Jim Mattson wrote:
> Is there any way to tell that a microcode patch has been loaded on
> only one thread?

Only the example you see in the bugzilla link above.

> And what does this mean for SEV-SNP attestation?

More specifically? The CPUID page or microcode revision?

-- 
Regards/Gruss,
    Boris.

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