Drivers: hv: Change the signature for hv_signal_event()

In preparation for implementing a per-connection signaling framework,
change the signature of the function hv_signal_event(). The current
code uses a global handle for signaling the host.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

3 files changed, 5 insertions, 6 deletions

diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 70ea5d1fc16c..3f8ce7be4c18 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -402,5 +402,5 @@ int vmbus_set_event(u32 child_relid)
                 (unsigned long *)vmbus_connection.send_int_page +
                 (child_relid >> 5));
 
-        return hv_signal_event();
+        return hv_signal_event(hv_context.signal_event_param);
 }
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 3648f8f0f368..dd0af8940657 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -273,13 +273,12 @@ int hv_post_message(union hv_connection_id connection_id,
  *
  * This involves a hypercall.
  */
-u16 hv_signal_event(void)
+u16 hv_signal_event(void *con_id)
 {
         u16 status;
 
-        status = do_hypercall(HVCALL_SIGNAL_EVENT,
-                               hv_context.signal_event_param,
-                               NULL) & 0xFFFF;
+        status = (do_hypercall(HVCALL_SIGNAL_EVENT, con_id, NULL) & 0xFFFF);
+
         return status;
 }
 
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index ac1e419d4b16..61d2c4f6fc17 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -538,7 +538,7 @@ extern int hv_post_message(union hv_connection_id connection_id,
                          enum hv_message_type message_type,
                          void *payload, size_t payload_size);
 
-extern u16 hv_signal_event(void);
+extern u16 hv_signal_event(void *con_id);
 
 extern void hv_synic_init(void *irqarg);