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conf: Check for NUMA distances in validity check

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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>
This commit is contained in:
Michal Privoznik 2018-02-06 17:11:40 +01:00
parent 7edcbd02aa
commit a9ab2abbf6
1 changed files with 12 additions and 0 deletions
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12
src/conf/numa_conf.c
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@ -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;