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Diffstat (limited to 'drivers/hv/connection.c')
-rw-r--r--drivers/hv/connection.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index f41901f80b64..447371f4de56 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -117,6 +117,9 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo,
ret = vmbus_post_msg(msg,
sizeof(struct vmbus_channel_initiate_contact),
true);
+
+ trace_vmbus_negotiate_version(msg, ret);
+
if (ret != 0) {
spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
list_del(&msginfo->msglistentry);
@@ -319,6 +322,8 @@ void vmbus_on_event(unsigned long data)
struct vmbus_channel *channel = (void *) data;
unsigned long time_limit = jiffies + 2;
+ trace_vmbus_on_event(channel);
+
do {
void (*callback_fn)(void *);
@@ -409,6 +414,8 @@ void vmbus_set_event(struct vmbus_channel *channel)
if (!channel->is_dedicated_interrupt)
vmbus_send_interrupt(child_relid);
+ ++channel->sig_events;
+
hv_do_fast_hypercall8(HVCALL_SIGNAL_EVENT, channel->sig_event);
}
EXPORT_SYMBOL_GPL(vmbus_set_event);