msix: Invoke msix_handle_mask_update on msix_mask_all

In preparation of firing vector notifiers on mask changes, call
msix_handle_mask_update also from msix_mask_all. So far, this will have
no real effect.
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: NAvi Kivity <avi@redhat.com>

hw/msix.c

@@ -231,10 +231,14 @@ static void msix_mmio_setup(PCIDevice *d, MemoryRegion *bar)
 static void msix_mask_all(struct PCIDevice *dev, unsigned nentries)
 {
     int vector;
+
     for (vector = 0; vector < nentries; ++vector) {
         unsigned offset =
             vector * PCI_MSIX_ENTRY_SIZE + PCI_MSIX_ENTRY_VECTOR_CTRL;
+        bool was_masked = msix_is_masked(dev, vector);
+
         dev->msix_table_page[offset] |= PCI_MSIX_ENTRY_CTRL_MASKBIT;
+        msix_handle_mask_update(dev, vector, was_masked);
     }
 }