From fe5cfd63557b39007460d17c585b8dc5ed6ace93 Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Sat, 29 Jan 2011 12:35:22 +0000 Subject: [PATCH] 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 Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/mm/numa.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index d07cd08747e5..3cf33494a5ae 100644 --- 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); -- GitLab