[libvirt] [PATCH] 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(a)redhat.com>
---
src/conf/numa_conf.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/src/conf/numa_conf.c b/src/conf/numa_conf.c
index c906a53de..7d3f9e661 100644
--- a/src/conf/numa_conf.c
+++ b/src/conf/numa_conf.c
@@ -1073,7 +1073,7 @@ bool
virDomainNumaCheckABIStability(virDomainNumaPtr src,
virDomainNumaPtr tgt)
{
- size_t i;
+ size_t i, j;
if (virDomainNumaGetNodeCount(src) != virDomainNumaGetNodeCount(tgt)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@@ -1102,6 +1102,17 @@ 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;
--
2.13.6