qemu_process: Prefer generic qemuMonitorGetGuestCPU

When updating guest CPU definition according to the vCPU actually
created by QEMU, we want to use the generic qemuMonitorGetGuestCPU to
get both CPUID and MSR features.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index db940b02a8f82b610c6bd52565440adecb138130..fa82adbc1e6b6f926aa0468b4c116357db5aa57b 100644 (file)
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -4128,6 +4128,16 @@ qemuProcessVerifyCPUFeatures(virDomainDefPtr def,
 }
 
 
+static const char *
+qemuProcessTranslateCPUFeatures(const char *name,
+                                void *opaque)
+{
+    virQEMUCapsPtr qemuCaps = opaque;
+
+    return virQEMUCapsCPUFeatureFromQEMU(qemuCaps, name);
+}
+
+
 static int
 qemuProcessFetchGuestCPU(virQEMUDriverPtr driver,
                          virDomainObjPtr vm,
@@ -4138,18 +4148,28 @@ qemuProcessFetchGuestCPU(virQEMUDriverPtr driver,
     qemuDomainObjPrivatePtr priv = vm->privateData;
     virCPUDataPtr dataEnabled = NULL;
     virCPUDataPtr dataDisabled = NULL;
+    bool generic;
     int rc;
 
     *enabled = NULL;
     *disabled = NULL;
 
-    if (!ARCH_IS_X86(vm->def->os.arch))
+    generic = virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_CPU_UNAVAILABLE_FEATURES);
+
+    if (!generic && !ARCH_IS_X86(vm->def->os.arch))
         return 0;
 
     if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
         goto error;
 
-    rc = qemuMonitorGetGuestCPUx86(priv->mon, &dataEnabled, &dataDisabled);
+    if (generic) {
+        rc = qemuMonitorGetGuestCPU(priv->mon,
+                                    vm->def->os.arch,
+                                    qemuProcessTranslateCPUFeatures, priv->qemuCaps,
+                                    &dataEnabled, &dataDisabled);
+    } else {
+        rc = qemuMonitorGetGuestCPUx86(priv->mon, &dataEnabled, &dataDisabled);
+    }
 
     if (qemuDomainObjExitMonitor(driver, vm) < 0)
         goto error;