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-rw-r--r--hw/virtio/vhost-user.c20
-rw-r--r--hw/virtio/virtio-pci.c4
-rw-r--r--hw/virtio/virtio.c11
3 files changed, 20 insertions, 15 deletions
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index b041343632..e09bed0e4a 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -374,8 +374,6 @@ static int vhost_user_set_mem_table_postcopy(struct vhost_dev *dev,
int fds[VHOST_MEMORY_MAX_NREGIONS];
int i, fd;
size_t fd_num = 0;
- bool reply_supported = virtio_has_feature(dev->protocol_features,
- VHOST_USER_PROTOCOL_F_REPLY_ACK);
VhostUserMsg msg_reply;
int region_i, msg_i;
@@ -384,10 +382,6 @@ static int vhost_user_set_mem_table_postcopy(struct vhost_dev *dev,
.hdr.flags = VHOST_USER_VERSION,
};
- if (reply_supported) {
- msg.hdr.flags |= VHOST_USER_NEED_REPLY_MASK;
- }
-
if (u->region_rb_len < dev->mem->nregions) {
u->region_rb = g_renew(RAMBlock*, u->region_rb, dev->mem->nregions);
u->region_rb_offset = g_renew(ram_addr_t, u->region_rb_offset,
@@ -503,10 +497,6 @@ static int vhost_user_set_mem_table_postcopy(struct vhost_dev *dev,
return -1;
}
- if (reply_supported) {
- return process_message_reply(dev, &msg);
- }
-
return 0;
}
@@ -519,8 +509,7 @@ static int vhost_user_set_mem_table(struct vhost_dev *dev,
size_t fd_num = 0;
bool do_postcopy = u->postcopy_listen && u->postcopy_fd.handler;
bool reply_supported = virtio_has_feature(dev->protocol_features,
- VHOST_USER_PROTOCOL_F_REPLY_ACK) &&
- !do_postcopy;
+ VHOST_USER_PROTOCOL_F_REPLY_ACK);
if (do_postcopy) {
/* Postcopy has enough differences that it's best done in it's own
@@ -1291,6 +1280,7 @@ static int vhost_user_postcopy_end(struct vhost_dev *dev, Error **errp)
return ret;
}
postcopy_unregister_shared_ufd(&u->postcopy_fd);
+ close(u->postcopy_fd.fd);
u->postcopy_fd.handler = NULL;
trace_vhost_user_postcopy_end_exit();
@@ -1430,6 +1420,12 @@ static int vhost_user_backend_cleanup(struct vhost_dev *dev)
postcopy_remove_notifier(&u->postcopy_notifier);
u->postcopy_notifier.notify = NULL;
}
+ u->postcopy_listen = false;
+ if (u->postcopy_fd.handler) {
+ postcopy_unregister_shared_ufd(&u->postcopy_fd);
+ close(u->postcopy_fd.fd);
+ u->postcopy_fd.handler = NULL;
+ }
if (u->slave_fd >= 0) {
qemu_set_fd_handler(u->slave_fd, NULL, NULL, NULL);
close(u->slave_fd);
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 3a01fe90f0..a954799267 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1683,8 +1683,8 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
if (err) {
/* Notice when a system that supports MSIx can't initialize it */
if (err != -ENOTSUP) {
- error_report("unable to init msix vectors to %" PRIu32,
- proxy->nvectors);
+ warn_report("unable to init msix vectors to %" PRIu32,
+ proxy->nvectors);
}
proxy->nvectors = 0;
}
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index f6a588ab57..4136d239dd 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -358,6 +358,10 @@ int virtio_queue_ready(VirtQueue *vq)
* Called within rcu_read_lock(). */
static int virtio_queue_empty_rcu(VirtQueue *vq)
{
+ if (unlikely(vq->vdev->broken)) {
+ return 1;
+ }
+
if (unlikely(!vq->vring.avail)) {
return 1;
}
@@ -373,6 +377,10 @@ int virtio_queue_empty(VirtQueue *vq)
{
bool empty;
+ if (unlikely(vq->vdev->broken)) {
+ return 1;
+ }
+
if (unlikely(!vq->vring.avail)) {
return 1;
}
@@ -1161,7 +1169,6 @@ int virtio_set_status(VirtIODevice *vdev, uint8_t val)
return 0;
}
-bool target_words_bigendian(void);
static enum virtio_device_endian virtio_default_endian(void)
{
if (target_words_bigendian()) {
@@ -1604,6 +1611,8 @@ void virtio_del_queue(VirtIODevice *vdev, int n)
vdev->vq[n].vring.num = 0;
vdev->vq[n].vring.num_default = 0;
+ vdev->vq[n].handle_output = NULL;
+ vdev->vq[n].handle_aio_output = NULL;
}
static void virtio_set_isr(VirtIODevice *vdev, int value)