conf: Check for NUMA distances in validity check

NUMA distances are part of guest ABI (guests can read it
directly!) and therefore as such shouldn't change throughout the
lifetime of domain.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>

diff --git a/src/conf/numa_conf.c b/src/conf/numa_conf.c
index c906a53de07f2223875137c7451723fc13a21634..9307dd93d3d47ceab9bbdc530a131b81e1548100 100644 (file)
--- a/src/conf/numa_conf.c
+++ b/src/conf/numa_conf.c
@@ -1074,6 +1074,7 @@ virDomainNumaCheckABIStability(virDomainNumaPtr src,
                                virDomainNumaPtr tgt)
 {
     size_t i;
+    size_t j;
 
     if (virDomainNumaGetNodeCount(src) != virDomainNumaGetNodeCount(tgt)) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@@ -1102,6 +1103,17 @@ virDomainNumaCheckABIStability(virDomainNumaPtr src,
                              "match source"), i);
             return false;
         }
+
+        for (j = 0; j < virDomainNumaGetNodeCount(src); j++) {
+            if (virDomainNumaGetNodeDistance(src, i, j) !=
+                virDomainNumaGetNodeDistance(tgt, i, j)) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                               _("Target NUMA distance from %zu to %zu "
+                                 "doesn't match source"), i, j);
+
+                return false;
+            }
+        }
     }
 
     return true;