aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDavid Hildenbrand <david@redhat.com>2020-05-20 12:04:38 +0200
committerMichael S. Tsirkin <mst@redhat.com>2020-06-09 14:18:04 -0400
commit49b01711b8eb3796c6904c7f85d2431572cfe54f (patch)
treef3fd1d81024c372dc9ddb87c9a48248ef220ac0c
parent12fc8903a8ee09fb5f642de82699a0b211e1b5a7 (diff)
virtio-balloon: fix free page hinting check on unrealize
Checking against guest features is wrong. We allocated data structures based on host features. We can rely on "free_page_bh" as an indicator whether to un-do stuff instead. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Alexander Duyck <alexander.h.duyck@linux.intel.com> Fixes: c13c4153f76d ("virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT") Cc: qemu-stable@nongnu.org Cc: Wei Wang <wei.w.wang@intel.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Cc: Alexander Duyck <alexander.duyck@gmail.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20200520100439.19872-3-david@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--hw/virtio/virtio-balloon.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index 7ff6a7aa7c..32e9fe3f64 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -818,7 +818,7 @@ static void virtio_balloon_device_unrealize(DeviceState *dev)
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VirtIOBalloon *s = VIRTIO_BALLOON(dev);
- if (virtio_balloon_free_page_support(s)) {
+ if (s->free_page_bh) {
qemu_bh_delete(s->free_page_bh);
virtio_balloon_free_page_stop(s);
precopy_remove_notifier(&s->free_page_report_notify);