call_all_cpus
extern void call_all_cpus(void (*func)(void *, int), void *cookie);
call_all_cpus(set_normal_pstate, NULL);
call_all_cpus(set_normal_pstate, NULL);
call_all_cpus(&init_mtrrs, NULL);
call_all_cpus(&set_mtrr, ¶meter);
call_all_cpus(&set_mtrrs, ¶meter);
call_all_cpus(install_breakpoints_per_cpu, NULL);
call_all_cpus(install_breakpoints_per_cpu, NULL);
call_all_cpus(_UninitTimers, this);
call_all_cpus(_InitTimers, this);
call_all_cpus(func, cookie, false);
call_all_cpus(func, cookie, true);
call_all_cpus(&per_cpu_real_time_clock_changed, NULL);