[PATCH 12/28] Drivers: hv: Change the signature of vmbus_set_event()

K. Y. Srinivasan
2012-12-01T14:25:58Z

In preparation for supporting a per-connection signaling mechanism,
change the signature of vmbus_set_event(). This change is also
needed to implement other aspects of the signaling optimization.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
---
drivers/hv/channel.c | 2 +-
drivers/hv/connection.c | 3 ++-
drivers/hv/hyperv_vmbus.h | 2 +-
3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 727c5f1..70a34da 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -55,7 +55,7 @@ static void vmbus_setevent(struct vmbus_channel *channel)
[channel->monitor_grp].pending);

} else {
- vmbus_set_event(channel->offermsg.child_relid);
+ vmbus_set_event(channel);
}
}

diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 3f8ce7b..0d8b132 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -395,8 +395,9 @@ int vmbus_post_msg(void *buffer, size_t buflen)
/*
* vmbus_set_event - Send an event notification to the parent
*/
-int vmbus_set_event(u32 child_relid)
+int vmbus_set_event(struct vmbus_channel *channel)
{
+ u32 child_relid = channel->offermsg.child_relid;
/* Each u32 represents 32 channels */
sync_set_bit(child_relid & 31,
(unsigned long *)vmbus_connection.send_int_page +
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index 61d2c4f..cd48ac3 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -660,7 +660,7 @@ int vmbus_connect(void);

int vmbus_post_msg(void *buffer, size_t buflen);

-int vmbus_set_event(u32 child_relid);
+int vmbus_set_event(struct vmbus_channel *channel);

void vmbus_on_event(unsigned long data);

--
1.7.4.1