[PATCH 11/28] Drivers: hv: Change the signature for hv_signal_event()

K. Y. Srinivasan
2012-12-01T14:29:51Z

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>
---
drivers/hv/connection.c | 2 +-
drivers/hv/hv.c | 7 +++----
drivers/hv/hyperv_vmbus.h | 2 +-
3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 70ea5d1..3f8ce7b 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 3648f8f..dd0af89 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 ac1e419..61d2c4f 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);

--
1.7.4.1