When a balloon device gets unplugged, allow the balloon handlers to be
freed.
Reported-by: Shaolong Hu <shu@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
return 0;
}
+void qemu_remove_balloon_handler(void *opaque)
+{
+ if (balloon_opaque != opaque) {
+ return;
+ }
+ balloon_event_fn = NULL;
+ balloon_stat_fn = NULL;
+ balloon_opaque = NULL;
+}
+
static int qemu_balloon(ram_addr_t target)
{
if (!balloon_event_fn) {
int qemu_add_balloon_handler(QEMUBalloonEvent *event_func,
QEMUBalloonStatus *stat_func, void *opaque);
+void qemu_remove_balloon_handler(void *opaque);
void monitor_print_balloon(Monitor *mon, const QObject *data);
int do_info_balloon(Monitor *mon, MonitorCompletion cb, void *opaque);