[Xen-changelog] [xen master] cpupools: update domU's node-affinity on the cpupool_unassign_cpu() path

[patchbot@xxxxxxx]

commit 93be8285a79c6cbbf66c8681fec1d1bfb71d84cc
Author:     Dario Faggioli <dario.faggioli@xxxxxxxxxx>
AuthorDate: Mon Sep 30 13:59:47 2013 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Sep 30 13:59:47 2013 +0200

    cpupools: update domU's node-affinity on the cpupool_unassign_cpu() path
    
    that is, when a cpu is remove from a pool, as it is happening already
    on the cpupool_assign_cpu_*() path (i.e., when a cpu is added to a
    pool).
    
    Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
    Acked-by: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
---
 xen/common/cpupool.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/xen/common/cpupool.c b/xen/common/cpupool.c
index 2164a9f..933de78 100644
--- a/xen/common/cpupool.c
+++ b/xen/common/cpupool.c
@@ -355,6 +355,12 @@ int cpupool_unassign_cpu(struct cpupool *c, unsigned int 
cpu)
     atomic_inc(&c->refcnt);
     cpupool_cpu_moving = c;
     cpumask_clear_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);
+
     spin_unlock(&cpupool_lock);
 
     work_cpu = smp_processor_id();
--
generated by git-patchbot for /home/xen/git/xen.git#master

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