adjust_tsc_khz 1820 arch/x86/kvm/x86.c thresh_lo = adjust_tsc_khz(tsc_khz, -tsc_tolerance_ppm); adjust_tsc_khz 1821 arch/x86/kvm/x86.c thresh_hi = adjust_tsc_khz(tsc_khz, tsc_tolerance_ppm);