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Drivers: hv: Change the signature of vmbus_set_event()

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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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
K. Y. Srinivasan 2012-12-01 06:46:43 -08:00 committed by Greg Kroah-Hartman
parent 1f42248d72
commit 21c3bef5db
3 changed files with 4 additions and 3 deletions
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2
drivers/hv/channel.c
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@ -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);
}
}

3
drivers/hv/connection.c
View file

@ -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 +

2
drivers/hv/hyperv_vmbus.h
View file

@ -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);