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Drivers: hv: vmbus: unify calls to percpu_channel_enq() 

Remove some code duplication, no functional change intended.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vitaly Kuznetsov 2015-05-06 17:47:42 -07:00 committed by Greg Kroah-Hartman
parent 1959a28e26
commit 8dfd332674
1 changed files with 18 additions and 33 deletions
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37
drivers/hv/channel_mgmt.c
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@ -233,7 +233,6 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel)
{ {
struct vmbus_channel *channel; struct vmbus_channel *channel;
bool fnew = true; bool fnew = true;
bool enq = false;
unsigned long flags; unsigned long flags;
/* Make sure this is a new offer */ /* Make sure this is a new offer */
@ -249,25 +248,12 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel)
} }
} }
if (fnew) { if (fnew)
list_add_tail(&newchannel->listentry, list_add_tail(&newchannel->listentry,
&vmbus_connection.chn_list); &vmbus_connection.chn_list);
enq = true;
}
spin_unlock_irqrestore(&vmbus_connection.channel_lock, flags); spin_unlock_irqrestore(&vmbus_connection.channel_lock, flags);
if (enq) {
if (newchannel->target_cpu != get_cpu()) {
put_cpu();
smp_call_function_single(newchannel->target_cpu,
percpu_channel_enq,
newchannel, true);
} else {
percpu_channel_enq(newchannel);
put_cpu();
}
}
if (!fnew) { if (!fnew) {
/* /*
* Check to see if this is a sub-channel. * Check to see if this is a sub-channel.
@ -280,6 +266,10 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel)
spin_lock_irqsave(&channel->lock, flags); spin_lock_irqsave(&channel->lock, flags);
list_add_tail(&newchannel->sc_list, &channel->sc_list); list_add_tail(&newchannel->sc_list, &channel->sc_list);
spin_unlock_irqrestore(&channel->lock, flags); spin_unlock_irqrestore(&channel->lock, flags);
channel->num_sc++;
} else
goto err_free_chan;
}
if (newchannel->target_cpu != get_cpu()) { if (newchannel->target_cpu != get_cpu()) {
put_cpu(); put_cpu();
@ -291,17 +281,6 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel)
put_cpu(); put_cpu();
} }
newchannel->state = CHANNEL_OPEN_STATE;
channel->num_sc++;
if (channel->sc_creation_callback != NULL)
channel->sc_creation_callback(newchannel);
return;
}
goto err_free_chan;
}
/* /*
* This state is used to indicate a successful open * This state is used to indicate a successful open
* so that when we do close the channel normally, we * so that when we do close the channel normally, we
@ -309,6 +288,12 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel)
*/ */
newchannel->state = CHANNEL_OPEN_STATE; newchannel->state = CHANNEL_OPEN_STATE;
if (!fnew) {
if (channel->sc_creation_callback != NULL)
channel->sc_creation_callback(newchannel);
return;
}
/* /*
* Start the process of binding this offer to the driver * Start the process of binding this offer to the driver
* We need to set the DeviceObject field before calling * We need to set the DeviceObject field before calling