qemu: Format the armvtimer timer on the command line

Its behavior is controlled by a KVM-specific CPU feature.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 71ae1f72e54f497cba04f26b4f11b605382f58f1..60f8820c648d2d7e2d6331c2e53f784620f9b801 100644 (file)
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -6611,6 +6611,19 @@ qemuBuildCpuCommandLine(virCommandPtr cmd,
                 virBufferAsprintf(&buf, ",tsc-frequency=%lu", timer->frequency);
             break;
         case VIR_DOMAIN_TIMER_NAME_ARMVTIMER:
+            switch (timer->tickpolicy) {
+            case VIR_DOMAIN_TIMER_TICKPOLICY_DELAY:
+                virBufferAddLit(&buf, ",kvm-no-adjvtime=off");
+                break;
+            case VIR_DOMAIN_TIMER_TICKPOLICY_DISCARD:
+                virBufferAddLit(&buf, ",kvm-no-adjvtime=on");
+                break;
+            case -1:
+            case VIR_DOMAIN_TIMER_TICKPOLICY_CATCHUP:
+            case VIR_DOMAIN_TIMER_TICKPOLICY_MERGE:
+                break;
+            }
+            break;
         case VIR_DOMAIN_TIMER_NAME_PLATFORM:
         case VIR_DOMAIN_TIMER_NAME_PIT:
         case VIR_DOMAIN_TIMER_NAME_RTC: