[RFC v2 5/5] hw/arm/virt: Allow virt extensions with KVM

[Eric Auger <eric.auger@redhat.com>]

From: Haibo Xu <haibo.xu@linaro.org>

Up to now virt support on guest has been only supported with TCG.
Now it becomes feasible to use it with KVM acceleration.

Signed-off-by: Haibo Xu <haibo.xu@linaro.org>
Signed-off-by: Miguel Luis <miguel.luis@oracle.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>

---

v1 -> v2:
- fixed test ordering: virt && ((kvm && !kvm_el2) || hvf) [Richard]
- tweeked the commit title & message
---
 hw/arm/virt.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 5214aca898..ae7ac07301 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -2109,7 +2109,8 @@ static void machvirt_init(MachineState *machine)
         exit(1);
     }
 
-    if (vms->virt && (kvm_enabled() || hvf_enabled())) {
+    if (vms->virt &&
+        ((kvm_enabled() && !kvm_arm_el2_supported()) || hvf_enabled())) {
         error_report("mach-virt: %s does not support providing "
                      "Virtualization extensions to the guest CPU",
                      current_accel_name());
-- 
2.41.0