vmbus: drop no longer used kick_q argument

The flag to cause notification of host is unused after
commit a01a291a282f7c2e ("Drivers: hv: vmbus: Base host signaling
strictly on the ring state"). Therefore remove it from the ring
buffer internal API.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/hv/channel.c

@@ -670,9 +670,7 @@ int vmbus_sendpacket_ctl(struct vmbus_channel *channel, void *buffer,
 	bufferlist[2].iov_base = &aligned_data;
 	bufferlist[2].iov_len = (packetlen_aligned - packetlen);
 
-	return hv_ringbuffer_write(channel, bufferlist, num_vecs,
-				   lock, kick_q);
-
+	return hv_ringbuffer_write(channel, bufferlist, num_vecs, lock);
 }
 EXPORT_SYMBOL(vmbus_sendpacket_ctl);
 
@@ -757,8 +755,7 @@ int vmbus_sendpacket_pagebuffer_ctl(struct vmbus_channel *channel,
 	bufferlist[2].iov_base = &aligned_data;
 	bufferlist[2].iov_len = (packetlen_aligned - packetlen);
 
-	return hv_ringbuffer_write(channel, bufferlist, 3,
-				   lock, kick_q);
+	return hv_ringbuffer_write(channel, bufferlist, 3, lock);
 }
 EXPORT_SYMBOL_GPL(vmbus_sendpacket_pagebuffer_ctl);
 
@@ -813,8 +810,7 @@ int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel,
 	bufferlist[2].iov_base = &aligned_data;
 	bufferlist[2].iov_len = (packetlen_aligned - packetlen);
 
-	return hv_ringbuffer_write(channel, bufferlist, 3,
-				   lock, true);
+	return hv_ringbuffer_write(channel, bufferlist, 3, lock);
 }
 EXPORT_SYMBOL_GPL(vmbus_sendpacket_mpb_desc);
 
@@ -871,8 +867,7 @@ int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel,
 	bufferlist[2].iov_base = &aligned_data;
 	bufferlist[2].iov_len = (packetlen_aligned - packetlen);
 
-	return hv_ringbuffer_write(channel, bufferlist, 3,
-				   lock, true);
+	return hv_ringbuffer_write(channel, bufferlist, 3, lock);
 }
 EXPORT_SYMBOL_GPL(vmbus_sendpacket_multipagebuffer);
 

drivers/hv/hyperv_vmbus.h

@@ -275,9 +275,8 @@ int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info,
 void hv_ringbuffer_cleanup(struct hv_ring_buffer_info *ring_info);
 
 int hv_ringbuffer_write(struct vmbus_channel *channel,
-		    struct kvec *kv_list,
-		    u32 kv_count, bool lock,
-		    bool kick_q);
+			struct kvec *kv_list,
+			u32 kv_count, bool lock);
 
 int hv_ringbuffer_read(struct vmbus_channel *channel,
 		       void *buffer, u32 buflen, u32 *buffer_actual_len,

drivers/hv/ring_buffer.c

@@ -77,8 +77,7 @@ u32 hv_end_read(struct hv_ring_buffer_info *rbi)
  * host logic is fixed.
  */
 
-static void hv_signal_on_write(u32 old_write, struct vmbus_channel *channel,
-			       bool kick_q)
+static void hv_signal_on_write(u32 old_write, struct vmbus_channel *channel)
 {
 	struct hv_ring_buffer_info *rbi = &channel->outbound;
 
@@ -285,8 +284,7 @@ void hv_ringbuffer_cleanup(struct hv_ring_buffer_info *ring_info)
 
 /* Write to the ring buffer. */
 int hv_ringbuffer_write(struct vmbus_channel *channel,
-		    struct kvec *kv_list, u32 kv_count, bool lock,
-		    bool kick_q)
+			struct kvec *kv_list, u32 kv_count, bool lock)
 {
 	int i = 0;
 	u32 bytes_avail_towrite;
@@ -352,7 +350,7 @@ int hv_ringbuffer_write(struct vmbus_channel *channel,
 	if (lock)
 		spin_unlock_irqrestore(&outring_info->ring_lock, flags);
 
-	hv_signal_on_write(old_write, channel, kick_q);
+	hv_signal_on_write(old_write, channel);
 
 	if (channel->rescind)
 		return -ENODEV;