On Tue, Dec 31, 2024 at 11:30:48AM -0500, Rik van Riel wrote: > I'll wait for you to finish making your way > through before coming up with a v4 :) Thanks! > It looks like with this patch the translation cache > extensions get enabled (when I read back the MSR), > but the AMD manual suggests I may need to enable > EFER.TCE separately on every CPU? Yes, you do. EFER is a per-thread MSR. cpu/amd.c is where we usually do enable features. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette