Re: [PATCH 2/2] x86/rdrand: hide RDRAND and RDSEED from CPUID in case of a malfunction

[Borislav Petkov]

On Wed, Mar 12, 2025 at 03:31:30PM +0300, Mikhail Paulyshka wrote:
> @@ -46,6 +47,8 @@ void x86_init_rdrand(struct cpuinfo_x86 *c)
>  
>  	if (failure) {
>  		clear_cpu_cap(c, X86_FEATURE_RDRAND);
> +		if (c->x86_vendor == X86_VENDOR_AMD || c->x86_vendor == X86_VENDOR_HYGON)

Hygon is family 0x18. Have you tested it there?

-- 
Regards/Gruss,
    Boris.

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