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Peter Anvin" CC: Xin Li , Thomas Gleixner , Ingo Molnar , Dave Hansen , , "Peter Zijlstra (Intel)" , Kees Cook , "Ahmed S. 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But we have it >>> so... >>> >> >> Well, it is useful for testing code paths for legacy hardware. > > ... which would presume you know what you're doing. > > clearcpuid= is not something you or I or anyone else wants to debug when > people start clearing random CPUID bits without knowing any better. > > Thus the tainting. > Makes sense. Thanks for the insight.