linux-kernel - Re: [PATCH v1 07/12] tools/x86/kcpuid: Add rudimentary CPU vendor detection

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Message-ID: <Z8r9XN1wyYEDa_ji@lx-t490>
Date: Fri, 7 Mar 2025 15:06:20 +0100
From: "Ahmed S. Darwish" <darwi@...utronix.de>
To: Andrew Cooper <andrew.cooper3@...rix.com>
Cc: Borislav Petkov <bp@...en8.de>, Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	John Ogness <john.ogness@...utronix.de>, x86-cpuid@...ts.linux.dev,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 07/12] tools/x86/kcpuid: Add rudimentary CPU vendor
 detection

On Thu, 06 Mar 2025, Andrew Cooper wrote:
>
> Many CPUs have ways of overriding the vendor string, thanks to
> GenuineIntel being hardcoded in too many pieces of software.
>
> I suggest you check all registers, lest you find yourself on a CPU
> claiming EBX=0x68747541, ECX=0x6C65746E, EDX=0x6E65476E
>

Indeed; will do.

Thanks,
Ahmed