sync_tsc(boot_cpu_id); 
sync_tsc(0); 
static void __cpuinit tsc_sync_wait(void){	if (notscsync || !cpu_has_tsc)		return;	sync_tsc(boot_cpu_id);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/349188f66da2fd88f8cb2407763051d8e136c9aa/smpboot.c/buggy/arch/x86_64/kernel/smpboot.c