Re: [PATCH 2/3] x86/cpu/amd: Add feature bit for MSR_AMD64_LS_CFG enumeration

[Borislav Petkov]

On Tue, Nov 08, 2022 at 02:51:41PM -0800, Pawan Gupta wrote:
> Looking at bsp_init_amd() this feature bit will only be set on AMD
> families 0x15-0x17. Andrew mentioned that the MSR LS_CFG is present on
> AMD family >= 0x10 && family <= 0x18.

Do you need to save that MSR on those families?

Or do 0x15-0x18 suffice?

Yes, 0x18 because that's Hygon and that does its own detection.

So, do you need to save it on families 0x10-0x14?

-- 
Regards/Gruss,
    Boris.

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