Explain the cpu_clean_all_dirty call.
Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com>
---
hw/i386/kvm/clock.c | 4 ++++
1 file changed, 4 insertions(+)
Index: qemu/hw/i386/kvm/clock.c
===================================================================
--- qemu.orig/hw/i386/kvm/clock.c 2014-09-16 12:12:00.622537799 -0300
+++ qemu/hw/i386/kvm/clock.c 2014-09-16 12:12:44.696555868 -0300
@@ -127,6 +127,10 @@
}
cpu_synchronize_all_states();
+ /*
+ * Make sure that CPU state is synchronized from KVM
+ * once every VM state change callback has finished.
+ */
cpu_clean_all_dirty();
ret = kvm_vm_ioctl(kvm_state, KVM_GET_CLOCK, &data);
if (ret < 0) {
