diff options
| author |   Ray Kinsella <mdr@ashroe.eu> | 2021-11-22 12:50:34 +0000 |
|---|---|---|
| committer | Ray Kinsella <mdr@ashroe.eu> | 2021-11-25 09:08:50 +0000 |
| commit | 5e0ea09d96010e99a7ce0d2f3370f0de50c46c83 (patch) | |
| tree | f98f9e0ac52ce1700df0795637d21c71c4aac19c | |
| parent | a0de7807405963d15216f3d89ee1c6edf678946a (diff) | |
l2: change prefetch to prefetchw
L2 prefetches the vlib_buffer_t and then immediately writes to l2 split
horizon group. Changing to the prefetch to a prefetchw.
Type: improvement
Signed-off-by: Ray Kinsella <mdr@ashroe.eu>
Change-Id: If3b7996978ee80f99c55904692c7b3c905f537ce
| -rw-r--r-- | src/vnet/l2/l2_input_node.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/vnet/l2/l2_input_node.c b/src/vnet/l2/l2_input_node.c index 74625b2ec99..f8dfa3641b3 100644 --- a/src/vnet/l2/l2_input_node.c +++ b/src/vnet/l2/l2_input_node.c @@ -252,10 +252,10 @@ l2input_node_inline (vlib_main_t * vm, /* Prefetch next iteration. */ { /* Prefetch the buffer header and packet for the N+2 loop iteration */ - vlib_prefetch_buffer_header (b[4], LOAD); - vlib_prefetch_buffer_header (b[5], LOAD); - vlib_prefetch_buffer_header (b[6], LOAD); - vlib_prefetch_buffer_header (b[7], LOAD); + clib_prefetch_store (b + 4); + clib_prefetch_store (b + 5); + clib_prefetch_store (b + 6); + clib_prefetch_store (b + 7); clib_prefetch_store (b[4]->data); clib_prefetch_store (b[5]->data); |