void
dtrace_xcall(processorid_t cpu, dtrace_xcall_t func, void *arg)
{
if (cpu == DTRACE_CPUALL) {
xc_all(dtrace_xcall_func, (uint64_t)func, (uint64_t)arg);
} else {
xc_one(cpu, dtrace_xcall_func, (uint64_t)func, (uint64_t)arg);
}
}
/* ARGSUSED */
void
cmp_error_resteer(processorid_t cpuid)
{
#ifndef _CMP_NO_ERROR_STEERING
cpuset_t mycores;
cpu_t *cpu;
chipid_t chipid;
int i;
if (!cmp_cpu_is_cmp(cpuid))
return;
ASSERT(MUTEX_HELD(&cpu_lock));
chipid = cpunodes[cpuid].portid;
mycores = chips[chipid];
/* Look for an online sibling core */
for (i = 0; i < NCPU; i++) {
if (i == cpuid)
continue;
if (CPU_IN_SET(mycores, i) &&
(cpu = cpu_get(i)) != NULL && cpu_is_active(cpu)) {
/* Found one, reset error steering */
xc_one(i, (xcfunc_t *)set_cmp_error_steering, 0, 0);
break;
}
}
/* No online sibling cores, point to this core. */
if (i == NCPU) {
xc_one(cpuid, (xcfunc_t *)set_cmp_error_steering, 0, 0);
}
#else
/* Not all CMP's support (e.g. Olympus-C by Fujitsu) error steering */
return;
#endif /* _CMP_NO_ERROR_STEERING */
}
/*
* Ensure counters are enabled on the given processor.
*/
void
kcpc_remote_program(cpu_t *cp)
{
xc_one(cp->cpu_id, kcpc_remoteprogram_func, 0, 0);
}
/*
* Ensure the counters are stopped on the given processor.
*
* Callers must ensure kernel preemption is disabled.
*/
void
kcpc_remote_stop(cpu_t *cp)
{
xc_one(cp->cpu_id, kcpc_remotestop_func, 0, 0);
}
