clocksource_mark_unstable 1159 arch/x86/kernel/tsc.c 	clocksource_mark_unstable(&clocksource_tsc_early);
clocksource_mark_unstable 1160 arch/x86/kernel/tsc.c 	clocksource_mark_unstable(&clocksource_tsc);
clocksource_mark_unstable  196 include/linux/clocksource.h extern void clocksource_mark_unstable(struct clocksource *cs);