[RFC PATCH v2 07/12] i386/kvm: Exclude mirror vcpu in kvm_synchronize_all_tsc

[Dov Murik <dovmurik@linux.ibm.com>]

If we don't exclude it there's a hang when stopping the VM during
migration.

Signed-off-by: Dov Murik <dovmurik@linux.ibm.com>
---
 target/i386/kvm/kvm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 6b20917fa5..04bbc89b48 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -241,7 +241,9 @@ void kvm_synchronize_all_tsc(void)
 
     if (kvm_enabled()) {
         CPU_FOREACH(cpu) {
-            run_on_cpu(cpu, do_kvm_synchronize_tsc, RUN_ON_CPU_NULL);
+            if (!cpu->mirror_vcpu) {
+                run_on_cpu(cpu, do_kvm_synchronize_tsc, RUN_ON_CPU_NULL);
+            }
         }
     }
 }
-- 
2.20.1