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authorAnton Blanchard <anton@samba.org>2011-01-29 12:35:22 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-02-07 13:06:04 +1100
commitfe5cfd63557b39007460d17c585b8dc5ed6ace93 (patch)
tree20b4475c14e3a3131489ce05712888b40d5f7942
parentc0e5e46f3911a451b6915feda709fd1b9b7f026a (diff)
downloadlinaro-lsk-fe5cfd63557b39007460d17c585b8dc5ed6ace93.tar.gz
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>
-rw-r--r--arch/powerpc/mm/numa.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index d07cd08747e..3cf33494a5a 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);