On 2/4/19 9:49 AM, Thomas Gleixner wrote: > On Fri, 1 Feb 2019, Fenghua Yu wrote: >> This option behaves like existing kernel option clearcpuid. > > No it does NOT. clearcpuid allows to disable things. > > This allows to enable random CPUID bits without any sanity checking. Not > going to happen. We made it clear in the past that functionality needs to > be detectable by enumeration. We do quirks for broken crap, but this is > just not how it works.
Hi Thomas, I think we are trying persuade you like mentioned here: > http://lkml.kernel.org/r/alpine.deb.2.21.1807122153170.1...@nanos.tec.linutronix.de But, we're not being very persuasive because we kinda forgot about the "if and only if" condition that you mentioned.
