From: Andrea Bolognani <abologna@redhat.com>
Date: Fri, 7 Feb 2020 11:45:49 +0000 (+0100)
Subject: qemu: Format the armvtimer timer on the command line
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=7c4bc108a9bd7bda1543131d232e2ccee92a9e43;p=libvirt.git

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 71ae1f72e5..60f8820c64 100644
--- 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: