[v10,1/4] net/i40e: use inline prefetch function
Checks
Commit Message
Don't directly access the cacheline1 field in rte_mbuf struct for
prefetch instead just use rte_mbuf_prefetch_part2() to prefetch.
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Reviewed-by: Morten Brørup <mb@smartsharesystems.com>
---
drivers/net/i40e/i40e_rxtx_vec_avx512.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Comments
On Wed, 3 Apr 2024 10:53:33 -0700
Tyler Retzlaff <roretzla@linux.microsoft.com> wrote:
> Don't directly access the cacheline1 field in rte_mbuf struct for
> prefetch instead just use rte_mbuf_prefetch_part2() to prefetch.
>
> Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
> Reviewed-by: Morten Brørup <mb@smartsharesystems.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
@@ -826,7 +826,7 @@
free[0] = m;
nb_free = 1;
for (i = 1; i < n; i++) {
- rte_prefetch0(&txep[i + 3].mbuf->cacheline1);
+ rte_mbuf_prefetch_part2(txep[i + 3].mbuf);
m = rte_pktmbuf_prefree_seg(txep[i].mbuf);
if (likely(m)) {
if (likely(m->pool == free[0]->pool)) {