reflect cpupool in numa node affinity

In order to prefer node local memory for a domain the numa node
locality info must be built according to the cpus belonging to the
cpupool of the domain.

Signed-off-by: juergen.gross@ts.fujitsu.com
Committed-by: Keir Fraser <keir@xen.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/xen/common/cpupool.c b/xen/common/cpupool.c
index 45162ad708..6cef4a003e 100644
--- a/xen/common/cpupool.c
+++ b/xen/common/cpupool.c
@@ -220,6 +220,7 @@ static int cpupool_assign_cpu_locked(struct cpupool *c, unsigned int cpu)
 {
     int ret;
     struct cpupool *old;
+    struct domain *d;
 
     if ( (cpupool_moving_cpu == cpu) && (c != cpupool_cpu_moving) )
         return -EBUSY;
@@ -240,6 +241,14 @@ static int cpupool_assign_cpu_locked(struct cpupool *c, unsigned int cpu)
         cpupool_cpu_moving = NULL;
     }
     cpumask_set_cpu(cpu, c->cpu_valid);
+
+    rcu_read_lock(&domlist_read_lock);
+    for_each_domain_in_cpupool(d, c)
+    {
+        domain_update_node_affinity(d);
+    }
+    rcu_read_unlock(&domlist_read_lock);
+
     return 0;
 }