diff options
| author | Stephen Hemminger <stephen@networkplumber.org> | 2017-02-12 09:02:22 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-02-14 21:20:35 +0300 |
| commit | 5529eaf6e79a61e0ca7ade257f31d2ababc7f6c9 (patch) | |
| tree | a619c818c8ea2b3f1a4c9b39281915c34771bac2 /drivers/hv/channel.c | |
| parent | b71e328297a3a578c482fb4814e737a0ec185839 (diff) | |
| download | linux-5529eaf6e79a61e0ca7ade257f31d2ababc7f6c9.tar.xz | |
vmbus: remove conditional locking of vmbus_write
All current usage of vmbus write uses the acquire_lock flag, therefore
having it be optional is unnecessary. This also fixes a sparse warning
since sparse doesn't like when a function has conditional locking.
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>
Diffstat (limited to 'drivers/hv/channel.c')
| -rw-r--r-- | drivers/hv/channel.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 18cc1c78260d..81a80c82f1bd 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -651,7 +651,6 @@ int vmbus_sendpacket_ctl(struct vmbus_channel *channel, void *buffer, u32 packetlen_aligned = ALIGN(packetlen, sizeof(u64)); struct kvec bufferlist[3]; u64 aligned_data = 0; - bool lock = channel->acquire_ring_lock; int num_vecs = ((bufferlen != 0) ? 3 : 1); @@ -670,7 +669,7 @@ 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); + return hv_ringbuffer_write(channel, bufferlist, num_vecs); } EXPORT_SYMBOL(vmbus_sendpacket_ctl); @@ -716,12 +715,10 @@ int vmbus_sendpacket_pagebuffer_ctl(struct vmbus_channel *channel, u32 packetlen_aligned; struct kvec bufferlist[3]; u64 aligned_data = 0; - bool lock = channel->acquire_ring_lock; if (pagecount > MAX_PAGE_BUFFER_COUNT) return -EINVAL; - /* * Adjust the size down since vmbus_channel_packet_page_buffer is the * largest size we support @@ -753,7 +750,7 @@ 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); + return hv_ringbuffer_write(channel, bufferlist, 3); } EXPORT_SYMBOL_GPL(vmbus_sendpacket_pagebuffer_ctl); @@ -789,7 +786,6 @@ int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel, u32 packetlen_aligned; struct kvec bufferlist[3]; u64 aligned_data = 0; - bool lock = channel->acquire_ring_lock; packetlen = desc_size + bufferlen; packetlen_aligned = ALIGN(packetlen, sizeof(u64)); @@ -809,7 +805,7 @@ 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); + return hv_ringbuffer_write(channel, bufferlist, 3); } EXPORT_SYMBOL_GPL(vmbus_sendpacket_mpb_desc); @@ -827,7 +823,6 @@ int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel, u32 packetlen_aligned; struct kvec bufferlist[3]; u64 aligned_data = 0; - bool lock = channel->acquire_ring_lock; u32 pfncount = NUM_PAGES_SPANNED(multi_pagebuffer->offset, multi_pagebuffer->len); @@ -866,7 +861,7 @@ 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); + return hv_ringbuffer_write(channel, bufferlist, 3); } EXPORT_SYMBOL_GPL(vmbus_sendpacket_multipagebuffer); |