[PATCH 3/4] qemu: Validate MTE feature

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The MTE feature is not supported by all QEMUs, only those with
QEMU_CAPS_MACHINE_VIRT_MTE capability.

Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
 src/qemu/qemu_validate.c | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 99c7775e9b..aec1801672 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -124,14 +124,23 @@ qemuValidateDomainDefFeatures(const virDomainDef *def,
 
         case VIR_DOMAIN_FEATURE_GIC:
         case VIR_DOMAIN_FEATURE_MTE:
-            if (def->features[i] == VIR_TRISTATE_SWITCH_ON &&
-                !qemuDomainIsARMVirt(def)) {
-                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                               _("The '%1$s' feature is not supported for architecture '%2$s' or machine type '%3$s'"),
-                               featureName,
-                               virArchToString(def->os.arch),
-                               def->os.machine);
-                return -1;
+            if (def->features[i] == VIR_TRISTATE_SWITCH_ON) {
+                if (!qemuDomainIsARMVirt(def)) {
+                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                                   _("The '%1$s' feature is not supported for architecture '%2$s' or machine type '%3$s'"),
+                                   featureName,
+                                   virArchToString(def->os.arch),
+                                   def->os.machine);
+                    return -1;
+                }
+
+                if (i == VIR_DOMAIN_FEATURE_MTE &&
+                    !virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_VIRT_MTE)) {
+                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                                   _("The '%1$s' feature is not supported with this QEMU binary"),
+                                   featureName);
+                    return -1;
+                }
             }
             break;
 
-- 
2.39.3




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