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| author | K. Y. Srinivasan <kys@microsoft.com> | 2016-11-06 13:14:18 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-07 10:01:18 +0100 |
| commit | 3372592a140db69fd63837e81f048ab4abf8111e (patch) | |
| tree | e98a51a7fcedba1a35564466daf3a59bc0af80b0 /drivers/hv/channel.c | |
| parent | 1f6ee4e7d83586c8b10bd4f2f4346353d04ce884 (diff) | |
| download | linux-3372592a140db69fd63837e81f048ab4abf8111e.tar.gz linux-3372592a140db69fd63837e81f048ab4abf8111e.tar.xz | |
Drivers: hv: vmbus: On the read path cleanup the logic to interrupt the host
Signal the host when we determine the host is to be signaled -
on th read path. 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>
Diffstat (limited to 'drivers/hv/channel.c')
| -rw-r--r-- | drivers/hv/channel.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 8a8148f7b842..5fb4c6d9209b 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -879,16 +879,9 @@ __vmbus_recvpacket(struct vmbus_channel *channel, void *buffer, u32 bufferlen, u32 *buffer_actual_len, u64 *requestid, bool raw) { - int ret; - bool signal = false; - - ret = hv_ringbuffer_read(&channel->inbound, buffer, bufferlen, - buffer_actual_len, requestid, &signal, raw); + return hv_ringbuffer_read(channel, buffer, bufferlen, + buffer_actual_len, requestid, raw); - if (signal) - vmbus_setevent(channel); - - return ret; } int vmbus_recvpacket(struct vmbus_channel *channel, void *buffer, |