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authorLen Brown <len.brown@intel.com>2005-08-26 22:11:28 -0400
committerLen Brown <len.brown@intel.com>2005-08-26 22:11:28 -0400
commit60cfff3516580f5c782cef4dc28f2974c4df8ed1 (patch)
tree30053bcf09c1b77699281ba3a56d8ffb4144966c /kernel
parent89ef1a21a174a4f581a4b6973f9a9f9ee28a9304 (diff)
parent212d6d2237f60bc28c1518f8abf9d3ed6c17574a (diff)
downloadblackbird-op-linux-60cfff3516580f5c782cef4dc28f2974c4df8ed1.tar.gz
blackbird-op-linux-60cfff3516580f5c782cef4dc28f2974c4df8ed1.zip
Auto-update from upstream
Diffstat (limited to 'kernel')
-rw-r--r--kernel/cpuset.c32
1 files changed, 13 insertions, 19 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index d7f4d0c95737..8ab1b4e518b8 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -627,6 +627,14 @@ static int validate_change(const struct cpuset *cur, const struct cpuset *trial)
* Call with cpuset_sem held. May nest a call to the
* lock_cpu_hotplug()/unlock_cpu_hotplug() pair.
*/
+
+/*
+ * Hack to avoid 2.6.13 partial node dynamic sched domain bug.
+ * Disable letting 'cpu_exclusive' cpusets define dynamic sched
+ * domains, until the sched domain can handle partial nodes.
+ * Remove this #if hackery when sched domains fixed.
+ */
+#if 0
static void update_cpu_domains(struct cpuset *cur)
{
struct cpuset *c, *par = cur->parent;
@@ -636,25 +644,6 @@ static void update_cpu_domains(struct cpuset *cur)
return;
/*
- * Hack to avoid 2.6.13 partial node dynamic sched domain bug.
- * Require the 'cpu_exclusive' cpuset to include all (or none)
- * of the CPUs on each node, or return w/o changing sched domains.
- * Remove this hack when dynamic sched domains fixed.
- */
- {
- int i, j;
-
- for_each_cpu_mask(i, cur->cpus_allowed) {
- cpumask_t mask = node_to_cpumask(cpu_to_node(i));
-
- for_each_cpu_mask(j, mask) {
- if (!cpu_isset(j, cur->cpus_allowed))
- return;
- }
- }
- }
-
- /*
* Get all cpus from parent's cpus_allowed not part of exclusive
* children
*/
@@ -686,6 +675,11 @@ static void update_cpu_domains(struct cpuset *cur)
partition_sched_domains(&pspan, &cspan);
unlock_cpu_hotplug();
}
+#else
+static void update_cpu_domains(struct cpuset *cur)
+{
+}
+#endif
static int update_cpumask(struct cpuset *cs, char *buf)
{
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