On Fri, Nov 18, 2022 at 08:47:55AM -0800, Dave Hansen wrote: > Also, do we *want* this showing up in /proc/cpuinfo? Yeah, I was wondering about that. Currently, we try to add feature bits to /proc/cpuinfo only when the kernel has done any enablement for them. For other needs, people should use tools/arch/x86/kcpuid/ If we say that adding those bits so that guests can export them doesn't count as a real enablement, then sure we can hide them initially. I wanna say yes here... -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette