[PATCH 3/4] qemu_validate: Validate prealloc threads against qemuCpas
Only fairly new QEMUs are capable of user provided number of
preallocation threads. Validate this assumption.
Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
---
src/qemu/qemu_validate.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index f27e480696..e0708b8a76 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -739,6 +739,13 @@ qemuValidateDomainDefMemory(const virDomainDef *def,
return -1;
}
+ if (mem->allocation_threads > 0 &&
+ !virQEMUCapsGet(qemuCaps, QEMU_CAPS_MEMORY_BACKEND_PREALLOC_THREADS)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("preallocation threads are unsupported with this
QEMU"));
+ return -1;
+ }
+
if (mem->source == VIR_DOMAIN_MEMORY_SOURCE_ANONYMOUS) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("hugepages are not allowed with anonymous "
--
2.34.1