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qemuDomainDefPostParse: Fetch qemuCaps from domain object

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We can't rely on def->emulator path. It may be provided by user
as we give them opportunity to provide their own XML for
migration. Therefore the path may point to just whatever binary
(or even to a non-existent file). Moreover, this path is meant
for destination, but the capabilities lookup is done on source.
What we can do is to assume same capabilities for post parse
callbacks as the running domain has. They will be used just to
add some default models/controllers/devices/... anyway.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2016-09-16 16:29:41 +02:00
parent cf198684a8
commit 70b36a7b7e
2 changed files with 11 additions and 7 deletions
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16
src/qemu/qemu_domain.c
View File

@ -2327,11 +2327,11 @@ qemuDomainDefPostParse(virDomainDefPtr def,
virCapsPtr caps,
unsigned int parseFlags,
void *opaque,
void *parseOpaque ATTRIBUTE_UNUSED)
void *parseOpaque)
{
virQEMUDriverPtr driver = opaque;
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
virQEMUCapsPtr qemuCaps = NULL;
virQEMUCapsPtr qemuCaps = parseOpaque;
int ret = -1;
if (def->os.bootloader || def->os.bootloaderArgs) {
@ -2360,10 +2360,14 @@ qemuDomainDefPostParse(virDomainDefPtr def,
!(def->emulator = virDomainDefGetDefaultEmulator(def, caps)))
goto cleanup;
if (!(qemuCaps = virQEMUCapsCacheLookup(caps,
driver->qemuCapsCache,
def->emulator)))
goto cleanup;
if (qemuCaps) {
virObjectRef(qemuCaps);
} else {
if (!(qemuCaps = virQEMUCapsCacheLookup(caps,
driver->qemuCapsCache,
def->emulator)))
goto cleanup;
}
if (qemuDomainDefAddDefaultDevices(def, qemuCaps) < 0)
goto cleanup;

2
src/qemu/qemu_migration.c
View File

@ -3242,7 +3242,7 @@ qemuMigrationBeginPhase(virQEMUDriverPtr driver,
}
if (xmlin) {
if (!(def = virDomainDefParseString(xmlin, caps, driver->xmlopt, NULL,
if (!(def = virDomainDefParseString(xmlin, caps, driver->xmlopt, priv->qemuCaps,
VIR_DOMAIN_DEF_PARSE_INACTIVE |
VIR_DOMAIN_DEF_PARSE_SKIP_VALIDATE)))
goto cleanup;