[libvirt] [PATCH] conf: fix running vm numa settings disappear after restart libvirtd

Luyao Huang lhuang at redhat.com
Thu Mar 19 10:13:04 UTC 2015


5bba61f introduce a issue : when start a vm with <numa> settings and
restart libvirtd, numa settings will disappear. Because when parse the
vm states file, there is no node in "/domain/cpu/numa" this place.

Change to use ./cpu/numa instead of /domain/cpu/numa.

Signed-off-by: Luyao Huang <lhuang at redhat.com>
---
 src/conf/numa_conf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/conf/numa_conf.c b/src/conf/numa_conf.c
index b92cb44..c34ba5f 100644
--- a/src/conf/numa_conf.c
+++ b/src/conf/numa_conf.c
@@ -663,10 +663,10 @@ virDomainNumaDefCPUParseXML(virDomainNumaPtr def,
     int ret = -1;
 
     /* check if NUMA definition is present */
-    if (!virXPathNode("/domain/cpu/numa[1]", ctxt))
+    if (!virXPathNode("./cpu/numa[1]", ctxt))
         return 0;
 
-    if ((n = virXPathNodeSet("/domain/cpu/numa[1]/cell", ctxt, &nodes)) <= 0) {
+    if ((n = virXPathNodeSet("./cpu/numa[1]/cell", ctxt, &nodes)) <= 0) {
         virReportError(VIR_ERR_XML_ERROR, "%s",
                        _("NUMA topology defined without NUMA cells"));
         goto cleanup;
-- 
1.8.3.1




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