linux-kernel - Re: [PATCH] x86/amd: Disable RDSEED on AMD Zen5 Turin because of an error.

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Message-ID: <20251017114844.GAaPItHGKgL0yAPscH@fat_crate.local>
Date: Fri, 17 Oct 2025 13:48:44 +0200
From: Borislav Petkov <bp@...en8.de>
To: "H. Peter Anvin" <hpa@...or.com>
Cc: Gregory Price <gourry@...rry.net>, x86@...nel.org,
	linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...hat.com,
	dave.hansen@...ux.intel.com, peterz@...radead.org,
	mario.limonciello@....com, riel@...riel.com, yazen.ghannam@....com,
	me@...aill.net, kai.huang@...el.com, sandipan.das@....com,
	darwi@...utronix.de, stable@...nel.org
Subject: Re: [PATCH] x86/amd: Disable RDSEED on AMD Zen5 Turin because of an
 error.

On Thu, Oct 16, 2025 at 12:39:43PM -0700, H. Peter Anvin wrote:
> The vendor (in this case AMD) can then root-cause the failure and provide
> a narrower blacklist when the true extent is known.

Yap, we're looking into this, ofc.

-- 
Regards/Gruss,
    Boris.

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