Commit 291c54ff authored by Ingo Molnar's avatar Ingo Molnar

Merge branch 'sched/cpuset' into sched/urgent

parents 49048622 dfb512ec
......@@ -160,7 +160,7 @@ static inline int current_cpuset_is_being_rebound(void)
static inline void rebuild_sched_domains(void)
{
partition_sched_domains(0, NULL, NULL);
partition_sched_domains(1, NULL, NULL);
}
#endif /* !CONFIG_CPUSETS */
......
This diff is collapsed.
......@@ -7696,24 +7696,27 @@ static int dattrs_equal(struct sched_domain_attr *cur, int idx_cur,
* and partition_sched_domains() will fallback to the single partition
* 'fallback_doms', it also forces the domains to be rebuilt.
*
* If doms_new==NULL it will be replaced with cpu_online_map.
* ndoms_new==0 is a special case for destroying existing domains.
* It will not create the default domain.
*
* Call with hotplug lock held
*/
void partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
struct sched_domain_attr *dattr_new)
{
int i, j;
int i, j, n;
mutex_lock(&sched_domains_mutex);
/* always unregister in case we don't destroy any domains */
unregister_sched_domain_sysctl();
if (doms_new == NULL)
ndoms_new = 0;
n = doms_new ? ndoms_new : 0;
/* Destroy deleted domains */
for (i = 0; i < ndoms_cur; i++) {
for (j = 0; j < ndoms_new; j++) {
for (j = 0; j < n; j++) {
if (cpus_equal(doms_cur[i], doms_new[j])
&& dattrs_equal(dattr_cur, i, dattr_new, j))
goto match1;
......@@ -7726,7 +7729,6 @@ void partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
if (doms_new == NULL) {
ndoms_cur = 0;
ndoms_new = 1;
doms_new = &fallback_doms;
cpus_andnot(doms_new[0], cpu_online_map, cpu_isolated_map);
dattr_new = NULL;
......@@ -7763,8 +7765,13 @@ void partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
int arch_reinit_sched_domains(void)
{
get_online_cpus();
/* Destroy domains first to force the rebuild */
partition_sched_domains(0, NULL, NULL);
rebuild_sched_domains();
put_online_cpus();
return 0;
}
......@@ -7848,7 +7855,7 @@ static int update_sched_domains(struct notifier_block *nfb,
case CPU_ONLINE_FROZEN:
case CPU_DEAD:
case CPU_DEAD_FROZEN:
partition_sched_domains(0, NULL, NULL);
partition_sched_domains(1, NULL, NULL);
return NOTIFY_OK;
default:
......
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