KVM: x86: fix pvclock guest stopped flag reporting

kvm_guest_time_update unconditionally clears hv_clock.flags field,
so the notification never reaches the guest.

Fix it by allowing PVCLOCK_GUEST_STOPPED to passthrough.

Reviewed-by: Eric B Munson <emunson@mgebm.net>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 1309e69b57fa..fc0e752e7564 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -420,6 +420,8 @@ struct kvm_vcpu_arch {
         unsigned int hw_tsc_khz;
         unsigned int time_offset;
         struct page *time_page;
+        /* set guest stopped flag in pvclock flags field */
+        bool pvclock_set_guest_stopped_request;
 
         struct {
                 u64 msr_val;