diff options
| author | K. Y. Srinivasan <kys@microsoft.com> | 2016-07-01 16:26:35 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-31 13:05:41 +0200 |
| commit | ccef9bcc02ee63ac171ea9f0d51e04b3e55b3a12 (patch) | |
| tree | 90726ee1cfee006f7c79c459c61fc43892e3e732 /drivers/hv/channel.c | |
| parent | 638fea33aee858cc665297a76f0039e95a28ce0c (diff) | |
Drivers: hv: vmbus: Enable explicit signaling policy for NIC channels
For synthetic NIC channels, enable explicit signaling policy as netvsc wants to
explicitly control when the host is to be signaled.
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 | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index e47d37d21d56..9a49505a8e06 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -650,7 +650,7 @@ int vmbus_sendpacket_ctl(struct vmbus_channel *channel, void *buffer, bufferlist[2].iov_len = (packetlen_aligned - packetlen); ret = hv_ringbuffer_write(&channel->outbound, bufferlist, num_vecs, - &signal, lock); + &signal, lock, channel->signal_policy); /* * Signalling the host is conditional on many factors: @@ -671,11 +671,6 @@ int vmbus_sendpacket_ctl(struct vmbus_channel *channel, void *buffer, * mechanism which can hurt the performance otherwise. */ - if (channel->signal_policy) - signal = true; - else - kick_q = true; - if (((ret == 0) && kick_q && signal) || (ret && !is_hvsock_channel(channel))) vmbus_setevent(channel); @@ -768,7 +763,7 @@ int vmbus_sendpacket_pagebuffer_ctl(struct vmbus_channel *channel, bufferlist[2].iov_len = (packetlen_aligned - packetlen); ret = hv_ringbuffer_write(&channel->outbound, bufferlist, 3, - &signal, lock); + &signal, lock, channel->signal_policy); /* * Signalling the host is conditional on many factors: @@ -786,11 +781,6 @@ int vmbus_sendpacket_pagebuffer_ctl(struct vmbus_channel *channel, * enough condition that it should not matter. */ - if (channel->signal_policy) - signal = true; - else - kick_q = true; - if (((ret == 0) && kick_q && signal) || (ret)) vmbus_setevent(channel); @@ -852,7 +842,7 @@ int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel, bufferlist[2].iov_len = (packetlen_aligned - packetlen); ret = hv_ringbuffer_write(&channel->outbound, bufferlist, 3, - &signal, lock); + &signal, lock, channel->signal_policy); if (ret == 0 && signal) vmbus_setevent(channel); @@ -917,7 +907,7 @@ int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel, bufferlist[2].iov_len = (packetlen_aligned - packetlen); ret = hv_ringbuffer_write(&channel->outbound, bufferlist, 3, - &signal, lock); + &signal, lock, channel->signal_policy); if (ret == 0 && signal) vmbus_setevent(channel); |