diff options
Diffstat (limited to 'arch/powerpc/mm/numa.c')
| -rw-r--r-- | arch/powerpc/mm/numa.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 490e39c8d8f6..c3bd046f801a 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1530,6 +1530,8 @@ static void reset_topology_timer(void) mod_timer(&topology_timer, topology_timer.expires); } +#ifdef CONFIG_SMP + static void stage_topology_update(int core_id) { cpumask_or(&cpu_associativity_changes_mask, @@ -1563,6 +1565,8 @@ static struct notifier_block dt_update_nb = { .notifier_call = dt_update_callback, }; +#endif + /* * Start polling for associativity changes. */ @@ -1574,7 +1578,9 @@ int start_topology_update(void) if (!prrn_enabled) { prrn_enabled = 1; vphn_enabled = 0; +#ifdef CONFIG_SMP rc = of_reconfig_notifier_register(&dt_update_nb); +#endif } } else if (firmware_has_feature(FW_FEATURE_VPHN) && get_lppaca()->shared_proc) { @@ -1599,7 +1605,9 @@ int stop_topology_update(void) if (prrn_enabled) { prrn_enabled = 0; +#ifdef CONFIG_SMP rc = of_reconfig_notifier_unregister(&dt_update_nb); +#endif } else if (vphn_enabled) { vphn_enabled = 0; rc = del_timer_sync(&topology_timer); |