On Tue, Jun 19, 2018 at 09:12:45PM +0200, Thomas Gleixner wrote: > On Tue, 19 Jun 2018, Peter Zijlstra wrote: > > It does not; there is TSC usage even if you boot with notsc on. See how > > it does not clear X86_FEATURE_TSC for instance. > > Well, kinda. There is some stuff in the apic calibration which uses TSC > independent of tsc_disabled, but that's about it.
Still, that precludes booting on hardware without TSC, so what's the point of having notsc? I'm all for killing the thing.
