Re: [PATCH v1 02/26] x86/cpu: Sanitize CPUID(0x80000000) output

Andrew Cooper <[email protected]>
Newsgroups dev.linux.lists.x86-cpuid,org.kernel.vger.linux-kernel
Message-ID <[email protected]> 
On 06/05/2025 6:04 am, Ahmed S. Darwish wrote:
> CPUID(0x80000000).EAX returns the max extended CPUID leaf available.  On
> x86-32 machines

How certain are you that it's all 32bit CPUs?  AIUI, it's an Intel
specific behaviour, not shared by other x86 vendors of the same era.

~Andrew
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