| commit | 879456bedbe54f2d38b15c21dc5e3c30232b53e1 | [log] [tgz] |
|---|---|---|
| author | Lorenzo Bianconi <lorenzo@kernel.org> | Tue Sep 29 23:58:57 2020 +0200 |
| committer | David S. Miller <davem@davemloft.net> | Tue Sep 29 18:10:07 2020 -0700 |
| tree | 1c39b06c8314cb7b6d89d00b0f33acaa22c3f861 | |
| parent | 2b2706aaaefee49ba0030bc679865db178e89e11 [diff] |
net: mvneta: avoid possible cache misses in mvneta_rx_swbm Do not use rx_desc pointers if possible since rx descriptors are stored in uncached memory and dereferencing rx_desc pointers generate extra loads. This patch improves XDP_DROP performance of ~ 110Kpps (700Kpps vs 590Kpps) on Marvell Espressobin Analyzed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>