tsc_always_catchup 685 arch/x86/include/asm/kvm_host.h bool tsc_always_catchup; tsc_always_catchup 1774 arch/x86/kvm/x86.c vcpu->arch.tsc_always_catchup = 1; tsc_always_catchup 8322 arch/x86/kvm/x86.c if (unlikely(vcpu->arch.tsc_always_catchup))