Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,pci,virtio,hotplug fixes, enhancements

numa work by Hu Tao and others
memory hotplug by Igor
vhost-user by Nikolay, Antonios and others
guest virtio announcements by Jason
qtest fixes by Sergey
qdev hotplug fixes by Paolo
misc other fixes mostly by myself

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

* remotes/mst/tags/for_upstream: (109 commits)
  numa: use RAM_ADDR_FMT with ram_addr_t
  qapi/string-output-visitor: fix bugs
  tests: simplify code
  qapi: fix input visitor bugs
  acpi: rephrase comment
  qmp: add ACPI_DEVICE_OST event handling
  qmp: add query-acpi-ospm-status command
  acpi: implement ospm_status() method for PIIX4/ICH9_LPC devices
  acpi: introduce TYPE_ACPI_DEVICE_IF interface
  qmp: add query-memory-devices command
  numa: handle mmaped memory allocation failure correctly
  pc: acpi: do not hardcode preprocessor
  qmp: clean out whitespace
  qdev: recursively unrealize devices when unrealizing bus
  qdev: reorganize error reporting in bus_set_realized
  qapi: fix build on glib < 2.28
  qapi: make string output visitor parse int list
  qapi: make string input visitor parse int list
  tests: fix memory leak in test of string input visitor
  hmp: add info memdev
  ...

Conflicts:
	include/hw/i386/pc.h
[PMM: fixed minor conflict in pc.h]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 14 insertions, 4 deletions

diff --git a/net/tap.c b/net/tap.c
index fc1b865e08..a40f7f023f 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -594,6 +594,7 @@ static int net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
                             int vnet_hdr, int fd)
 {
     TAPState *s;
+    int vhostfd;
 
     s = net_tap_fd_init(peer, model, name, fd, vnet_hdr);
     if (!s) {
@@ -624,7 +625,11 @@ static int net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
 
     if (tap->has_vhost ? tap->vhost :
         vhostfdname || (tap->has_vhostforce && tap->vhostforce)) {
-        int vhostfd;
+        VhostNetOptions options;
+
+        options.backend_type = VHOST_BACKEND_TYPE_KERNEL;
+        options.net_backend = &s->nc;
+        options.force = tap->has_vhostforce && tap->vhostforce;
 
         if (tap->has_vhostfd || tap->has_vhostfds) {
             vhostfd = monitor_handle_fd_param(cur_mon, vhostfdname);
@@ -632,11 +637,16 @@ static int net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
                 return -1;
             }
         } else {
-            vhostfd = -1;
+            vhostfd = open("/dev/vhost-net", O_RDWR);
+            if (vhostfd < 0) {
+                error_report("tap: open vhost char device failed: %s",
+                           strerror(errno));
+                return -1;
+            }
         }
+        options.opaque = (void *)(uintptr_t)vhostfd;
 
-        s->vhost_net = vhost_net_init(&s->nc, vhostfd,
-                                      tap->has_vhostforce && tap->vhostforce);
+        s->vhost_net = vhost_net_init(&options);
         if (!s->vhost_net) {
             error_report("vhost-net requested but could not be initialized");
             return -1;