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Diffstat (limited to 'include/linux/hyperv.h')
-rw-r--r--include/linux/hyperv.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 8cf78ed96747..fdb0a87323f3 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1487,10 +1487,11 @@ hv_get_ring_buffer(struct hv_ring_buffer_info *ring_info)
* there is room for the producer to send the pending packet.
*/
-static inline bool hv_need_to_signal_on_read(struct hv_ring_buffer_info *rbi)
+static inline void hv_signal_on_read(struct vmbus_channel *channel)
{
u32 cur_write_sz;
u32 pending_sz;
+ struct hv_ring_buffer_info *rbi = &channel->inbound;
/*
* Issue a full memory barrier before making the signaling decision.
@@ -1508,14 +1509,14 @@ static inline bool hv_need_to_signal_on_read(struct hv_ring_buffer_info *rbi)
pending_sz = READ_ONCE(rbi->ring_buffer->pending_send_sz);
/* If the other end is not blocked on write don't bother. */
if (pending_sz == 0)
- return false;
+ return;
cur_write_sz = hv_get_bytes_to_write(rbi);
if (cur_write_sz >= pending_sz)
- return true;
+ vmbus_setevent(channel);
- return false;
+ return;
}
/*
@@ -1587,8 +1588,7 @@ static inline void commit_rd_index(struct vmbus_channel *channel)
virt_rmb();
ring_info->ring_buffer->read_index = ring_info->priv_read_index;
- if (hv_need_to_signal_on_read(ring_info))
- vmbus_set_event(channel);
+ hv_signal_on_read(channel);
}