When updating paravirtual clocks, setup the Hyper-V TSC page before Xen PV clocks. This will allow dropping xen_pvclock_tsc_unstable in favor of simply clearing PVCLOCK_TSC_STABLE_BIT in the reference flags. Cc: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx> --- arch/x86/kvm/x86.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 9eabd70891dd..c68e7f7ba69d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3280,6 +3280,8 @@ static int kvm_guest_time_update(struct kvm_vcpu *v) hv_clock.flags &= ~PVCLOCK_GUEST_STOPPED; } + kvm_hv_setup_tsc_page(v->kvm, &hv_clock); + #ifdef CONFIG_KVM_XEN if (vcpu->xen.vcpu_info_cache.active) kvm_setup_guest_pvclock(&hv_clock, v, &vcpu->xen.vcpu_info_cache, @@ -3289,7 +3291,6 @@ static int kvm_guest_time_update(struct kvm_vcpu *v) kvm_setup_guest_pvclock(&hv_clock, v, &vcpu->xen.vcpu_time_info_cache, 0, xen_pvclock_tsc_unstable); #endif - kvm_hv_setup_tsc_page(v->kvm, &hv_clock); return 0; } -- 2.48.0.rc2.279.g1de40edade-goog