From: Michal Privoznik <mprivozn@redhat.com>

Per QEMU documentation (docs/system/i386/hyperv.rst):

``hv-tlbflush``
  Enables paravirtualized TLB shoot-down mechanism. <snip/>

  Requires: ``hv-vpindex``

Reflect this dependency when validating domain definition.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---
 src/qemu/qemu_validate.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 60bf623716..38cac4dc72 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -127,6 +127,8 @@ qemuValidateDomainDefHypervFeatures(const virDomainDef *def)
     CHECK_HV_FEAT(VIR_DOMAIN_HYPERV_STIMER, VIR_DOMAIN_HYPERV_VPINDEX);
     CHECK_HV_FEAT(VIR_DOMAIN_HYPERV_STIMER, VIR_DOMAIN_HYPERV_SYNIC);
 
+    CHECK_HV_FEAT(VIR_DOMAIN_HYPERV_TLBFLUSH, VIR_DOMAIN_HYPERV_VPINDEX);
+
     return 0;
 }
 
-- 
2.49.1