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authorDave Barach <dave@barachs.net>2018-11-13 16:34:13 -0500
committerFlorin Coras <florin.coras@gmail.com>2018-11-14 15:54:01 +0000
commit178cf493d009995b28fdf220f04c98860ff79a9b (patch)
tree097c1be82b8f6fa9bc04b9b1e193158e2e4997eb /src/vnet/devices/virtio
parent6917b94f2146aa51195a6a2a1ccd8416a1d74bf3 (diff)
Remove c-11 memcpy checks from perf-critical code
Change-Id: Id4f37f5d4a03160572954a416efa1ef9b3d79ad1 Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vnet/devices/virtio')
-rw-r--r--src/vnet/devices/virtio/node.c2
-rw-r--r--src/vnet/devices/virtio/vhost_user.c6
-rw-r--r--src/vnet/devices/virtio/vhost_user_input.c6
-rw-r--r--src/vnet/devices/virtio/vhost_user_output.c6
4 files changed, 10 insertions, 10 deletions
diff --git a/src/vnet/devices/virtio/node.c b/src/vnet/devices/virtio/node.c
index 339c48c93f5..e0195139321 100644
--- a/src/vnet/devices/virtio/node.c
+++ b/src/vnet/devices/virtio/node.c
@@ -216,7 +216,7 @@ virtio_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
tr->next_index = next0;
tr->hw_if_index = vif->hw_if_index;
tr->len = len;
- clib_memcpy (&tr->hdr, hdr, hdr_sz);
+ clib_memcpy_fast (&tr->hdr, hdr, hdr_sz);
}
/* enqueue buffer */
diff --git a/src/vnet/devices/virtio/vhost_user.c b/src/vnet/devices/virtio/vhost_user.c
index 9725a91027d..d13ea3beab3 100644
--- a/src/vnet/devices/virtio/vhost_user.c
+++ b/src/vnet/devices/virtio/vhost_user.c
@@ -443,7 +443,7 @@ vhost_user_socket_read (clib_file_t * uf)
VHOST_MEMORY_MAX_NREGIONS * sizeof (int)))
{
number_of_fds = (cmsg->cmsg_len - CMSG_LEN (0)) / sizeof (int);
- clib_memcpy (fds, CMSG_DATA (cmsg), number_of_fds * sizeof (int));
+ clib_memcpy_fast (fds, CMSG_DATA (cmsg), number_of_fds * sizeof (int));
}
/* version 1, no reply bit set */
@@ -537,8 +537,8 @@ vhost_user_socket_read (clib_file_t * uf)
unmap_all_mem_regions (vui);
for (i = 0; i < msg.memory.nregions; i++)
{
- clib_memcpy (&(vui->regions[i]), &msg.memory.regions[i],
- sizeof (vhost_user_memory_region_t));
+ clib_memcpy_fast (&(vui->regions[i]), &msg.memory.regions[i],
+ sizeof (vhost_user_memory_region_t));
long page_sz = get_huge_page_size (fds[i]);
diff --git a/src/vnet/devices/virtio/vhost_user_input.c b/src/vnet/devices/virtio/vhost_user_input.c
index 8e88695957b..32b924f1362 100644
--- a/src/vnet/devices/virtio/vhost_user_input.c
+++ b/src/vnet/devices/virtio/vhost_user_input.c
@@ -162,8 +162,8 @@ vhost_user_input_copy (vhost_user_intf_t * vui, vhost_copy_t * cpy,
CLIB_PREFETCH (src2, 64, LOAD);
CLIB_PREFETCH (src3, 64, LOAD);
- clib_memcpy ((void *) cpy[0].dst, src0, cpy[0].len);
- clib_memcpy ((void *) cpy[1].dst, src1, cpy[1].len);
+ clib_memcpy_fast ((void *) cpy[0].dst, src0, cpy[0].len);
+ clib_memcpy_fast ((void *) cpy[1].dst, src1, cpy[1].len);
copy_len -= 2;
cpy += 2;
}
@@ -172,7 +172,7 @@ vhost_user_input_copy (vhost_user_intf_t * vui, vhost_copy_t * cpy,
{
if (PREDICT_FALSE (!(src0 = map_guest_mem (vui, cpy->src, map_hint))))
return 1;
- clib_memcpy ((void *) cpy->dst, src0, cpy->len);
+ clib_memcpy_fast ((void *) cpy->dst, src0, cpy->len);
copy_len -= 1;
cpy += 1;
}
diff --git a/src/vnet/devices/virtio/vhost_user_output.c b/src/vnet/devices/virtio/vhost_user_output.c
index dff129e763e..58db1a9647b 100644
--- a/src/vnet/devices/virtio/vhost_user_output.c
+++ b/src/vnet/devices/virtio/vhost_user_output.c
@@ -205,8 +205,8 @@ vhost_user_tx_copy (vhost_user_intf_t * vui, vhost_copy_t * cpy,
CLIB_PREFETCH ((void *) cpy[2].src, 64, LOAD);
CLIB_PREFETCH ((void *) cpy[3].src, 64, LOAD);
- clib_memcpy (dst0, (void *) cpy[0].src, cpy[0].len);
- clib_memcpy (dst1, (void *) cpy[1].src, cpy[1].len);
+ clib_memcpy_fast (dst0, (void *) cpy[0].src, cpy[0].len);
+ clib_memcpy_fast (dst1, (void *) cpy[1].src, cpy[1].len);
vhost_user_log_dirty_pages_2 (vui, cpy[0].dst, cpy[0].len, 1);
vhost_user_log_dirty_pages_2 (vui, cpy[1].dst, cpy[1].len, 1);
@@ -218,7 +218,7 @@ vhost_user_tx_copy (vhost_user_intf_t * vui, vhost_copy_t * cpy,
{
if (PREDICT_FALSE (!(dst0 = map_guest_mem (vui, cpy->dst, map_hint))))
return 1;
- clib_memcpy (dst0, (void *) cpy->src, cpy->len);
+ clib_memcpy_fast (dst0, (void *) cpy->src, cpy->len);
vhost_user_log_dirty_pages_2 (vui, cpy->dst, cpy->len, 1);
copy_len -= 1;
cpy += 1;