Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, fixes, cleanups

i286 acpi speedup by precomputing _PRT by Ricardo Ribalda
vhost_net speedup by using MR transactions by Zuo Boqun
ich9 gained support for periodic and swsmi timer by Dominic Prinz

Fixes, cleanups all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu:
  hw/acpi/ich9: Add periodic and swsmi timer
  virtio-mem: don't warn about THP sizes on a kernel without THP support
  hw/audio/virtio-sound: fix heap buffer overflow
  hw/cxl: fix physical address field in get scan media results output
  virtio-pci: Add lookup subregion of VirtIOPCIRegion MR
  vhost_net: configure all host notifiers in a single MR transaction
  tests/acpi: pc: update golden masters for DSDT
  hw/i386/acpi-build: Return a pre-computed _PRT table
  tests/acpi: pc: allow DSDT acpi table changes
  intel_iommu: Make PASID-cache and PIOTLB type invalid in legacy mode
  intel_iommu: Fix invalidation descriptor type field
  virtio: rename virtio_split_packed_update_used_idx
  hw/pci/pci-hmp-cmds: Avoid displaying bogus size in 'info pci'
  pci: don't skip function 0 occupancy verification for devfn auto assign
  hw/isa/vt82c686.c: Embed i8259 irq in device state instead of allocating
  hw: Move declaration of IRQState to header and add init function
  virtio: Always reset vhost devices
  virtio: Allow .get_vhost() without vhost_started

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 9 insertions, 8 deletions

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index d2caf3ee8b..87da35ca9b 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -1181,14 +1181,15 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev,
                    PCI_SLOT(devfn), PCI_FUNC(devfn), name,
                    bus->devices[devfn]->name, bus->devices[devfn]->qdev.id);
         return NULL;
-    } /*
-       * Populating function 0 triggers a scan from the guest that
-       * exposes other non-zero functions. Hence we need to ensure that
-       * function 0 wasn't added yet.
-       */
-    else if (dev->hotplugged &&
-             !pci_is_vf(pci_dev) &&
-             pci_get_function_0(pci_dev)) {
+    }
+
+    /*
+     * Populating function 0 triggers a scan from the guest that
+     * exposes other non-zero functions. Hence we need to ensure that
+     * function 0 wasn't added yet.
+     */
+    if (dev->hotplugged && !pci_is_vf(pci_dev) &&
+        pci_get_function_0(pci_dev)) {
         error_setg(errp, "PCI: slot %d function 0 already occupied by %s,"
                    " new func %s cannot be exposed to guest.",
                    PCI_SLOT(pci_get_function_0(pci_dev)->devfn),