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Drivers: hv: vmbus: On write cleanup the logic to interrupt the host

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Signal the host when we determine the host is to be signaled.
The currrent code determines the need to signal in the ringbuffer
code and actually issues the signal elsewhere. This can result
in the host viewing this interrupt as spurious since the host may also
poll the channel. Make the necessary adjustments.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
K. Y. Srinivasan
2016-11-06 13:14:17 -08:00
committed by Greg Kroah-Hartman
parent 74198eb4a4
commit 1f6ee4e7d8
4 changed files with 35 additions and 101 deletions
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include/linux/hyperv.h
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@@ -1454,6 +1454,7 @@ void hv_event_tasklet_enable(struct vmbus_channel *channel);
void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid);
void vmbus_setevent(struct vmbus_channel *channel);
/*
* Negotiated version with the Host.
*/