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-rw-r--r--hw/xen/xen-bus.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/hw/xen/xen-bus.c b/hw/xen/xen-bus.c
index 2210526490..7503eea9e9 100644
--- a/hw/xen/xen-bus.c
+++ b/hw/xen/xen-bus.c
@@ -932,13 +932,20 @@ struct XenEventChannel {
void *opaque;
};
+static bool xen_device_poll(void *opaque)
+{
+ XenEventChannel *channel = opaque;
+
+ return channel->handler(channel->opaque);
+}
+
static void xen_device_event(void *opaque)
{
XenEventChannel *channel = opaque;
unsigned long port = xenevtchn_pending(channel->xeh);
if (port == channel->local_port) {
- channel->handler(channel->opaque);
+ xen_device_poll(channel);
xenevtchn_unmask(channel->xeh, port);
}
@@ -973,7 +980,7 @@ XenEventChannel *xen_device_bind_event_channel(XenDevice *xendev,
channel->ctx = ctx;
aio_set_fd_handler(channel->ctx, xenevtchn_fd(channel->xeh), true,
- xen_device_event, NULL, NULL, channel);
+ xen_device_event, NULL, xen_device_poll, channel);
QLIST_INSERT_HEAD(&xendev->event_channels, channel, list);