diff options
Diffstat (limited to 'hw/virtio')
| -rw-r--r-- | hw/virtio/dataplane/hostmem.c | 7 | ||||
| -rw-r--r-- | hw/virtio/vhost.c | 2 | ||||
| -rw-r--r-- | hw/virtio/virtio-balloon.c | 1 |
3 files changed, 10 insertions, 0 deletions
diff --git a/hw/virtio/dataplane/hostmem.c b/hw/virtio/dataplane/hostmem.c index 7e46723eb1..901d98b8a0 100644 --- a/hw/virtio/dataplane/hostmem.c +++ b/hw/virtio/dataplane/hostmem.c @@ -64,8 +64,12 @@ out: static void hostmem_listener_commit(MemoryListener *listener) { HostMem *hostmem = container_of(listener, HostMem, listener); + int i; qemu_mutex_lock(&hostmem->current_regions_lock); + for (i = 0; i < hostmem->num_current_regions; i++) { + memory_region_unref(hostmem->current_regions[i].mr); + } g_free(hostmem->current_regions); hostmem->current_regions = hostmem->new_regions; hostmem->num_current_regions = hostmem->num_new_regions; @@ -92,8 +96,11 @@ static void hostmem_append_new_region(HostMem *hostmem, .guest_addr = section->offset_within_address_space, .size = int128_get64(section->size), .readonly = section->readonly, + .mr = section->mr, }; hostmem->num_new_regions++; + + memory_region_ref(section->mr); } static void hostmem_listener_append_region(MemoryListener *listener, diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index baf84ea0bd..96ab62517a 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -497,6 +497,7 @@ static void vhost_region_add(MemoryListener *listener, dev->mem_sections = g_renew(MemoryRegionSection, dev->mem_sections, dev->n_mem_sections); dev->mem_sections[dev->n_mem_sections - 1] = *section; + memory_region_ref(section->mr); vhost_set_memory(listener, section, true); } @@ -512,6 +513,7 @@ static void vhost_region_del(MemoryListener *listener, } vhost_set_memory(listener, section, false); + memory_region_unref(section->mr); for (i = 0; i < dev->n_mem_sections; ++i) { if (dev->mem_sections[i].offset_within_address_space == section->offset_within_address_space) { diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c index a27051c2e7..3fa72a97b9 100644 --- a/hw/virtio/virtio-balloon.c +++ b/hw/virtio/virtio-balloon.c @@ -205,6 +205,7 @@ static void virtio_balloon_handle_output(VirtIODevice *vdev, VirtQueue *vq) addr = section.offset_within_region; balloon_page(memory_region_get_ram_ptr(section.mr) + addr, !!(vq == s->dvq)); + memory_region_unref(section.mr); } virtqueue_push(vq, &elem, offset); |