powerpc/numa: Disable VPHN on dedicated processor partitions

There is no need to start up the timer and monitor topology changes on a
dedicated processor partition, so disable it.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index d07cd08..3cf3349 100644 (file)
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1516,7 +1516,8 @@ int start_topology_update(void)
 {
        int rc = 0;
 
-       if (firmware_has_feature(FW_FEATURE_VPHN)) {
+       if (firmware_has_feature(FW_FEATURE_VPHN) &&
+           get_lppaca()->shared_proc) {
                vphn_enabled = 1;
                setup_cpu_associativity_change_counters();
                init_timer_deferrable(&topology_timer);