tsc_exp 1963 arch/x86/kvm/x86.c u64 tsc_exp = kvm->arch.last_tsc_write + tsc_exp 1971 arch/x86/kvm/x86.c synchronizing = data < tsc_exp + tsc_hz && tsc_exp 1972 arch/x86/kvm/x86.c data + tsc_hz > tsc_exp;