On Mon, May 31, 2021 at 10:56:50PM +0800, Pu Wen wrote: > Thanks for your suggestion, I'll try to set up early #GP handler to fix > the problem. Why? AFAICT, you only need to return early in sme_enable() if CPUID is not "AuthenticAMD". Just do that please. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette