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qemuDomainABIStabilityCheck: Check for memory aliases too

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Since we will be allowing users to set device aliases and memory
devices are fragile when it comes to aliases we have to make sure
they won't change during migration. Other devices should be fine.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2017-10-17 10:42:54 +02:00
parent e2797e3256
commit 92f41b3297
1 changed files with 15 additions and 0 deletions
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15
src/qemu/qemu_domain.c
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@ -6428,6 +6428,8 @@ static bool
qemuDomainABIStabilityCheck(const virDomainDef *src,
const virDomainDef *dst)
{
size_t i;
if (src->mem.source != dst->mem.source) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Target memoryBacking source '%s' doesn't "
@ -6437,6 +6439,19 @@ qemuDomainABIStabilityCheck(const virDomainDef *src,
return false;
}
for (i = 0; i < src->nmems; i++) {
const char *srcAlias = src->mems[i]->info.alias;
const char *dstAlias = dst->mems[i]->info.alias;
if (STRNEQ_NULLABLE(srcAlias, dstAlias)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Target memory device alias '%s' doesn't "
"match source alias '%s'"),
NULLSTR(srcAlias), NULLSTR(dstAlias));
return false;
}
}
return true;
}