void vcpu_unlock_affinity(struct vcpu *v, cpumask_t *affinity)
{
cpumask_t online_affinity;
/* Do not fail if no CPU in old affinity mask is online. */
cpus_and(online_affinity, *affinity, cpu_online_map);
if ( cpus_empty(online_affinity) )
*affinity = cpu_online_map;
if ( __vcpu_set_affinity(v, affinity, 1, 0) != 0 )
BUG();
}
int vcpu_set_affinity(struct vcpu *v, cpumask_t *affinity)
{
if ( v->domain->is_pinned )
return -EINVAL;
return __vcpu_set_affinity(v, affinity, 0, 0);
}
int vcpu_lock_affinity(struct vcpu *v, cpumask_t *affinity)
{
return __vcpu_set_affinity(v, affinity, 0, 1);
}
int vcpu_locked_change_affinity(struct vcpu *v, cpumask_t *affinity)
{
return __vcpu_set_affinity(v, affinity, 1, 1);
}