On 10/10/19 09:30, Suleiman Souhlal wrote: > kvmclock_reset(vcpu); > > + if (vcpu->arch.pv_timekeeper_enabled) > + atomic_dec(&pv_timekeepers_nr); > + Please make the new MSR systemwide, there's no need to have one copy per vCPU. Also, it has to be cleared on reset. I have just sent a patch "[PATCH] kvm: clear kvmclock MSR on reset" and CCed you, you can add the clearing to kvmclock_reset with that patch applied. Paolo
