diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2020-09-30 00:58:57 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-30 04:10:07 +0300 |
| commit | 879456bedbe54f2d38b15c21dc5e3c30232b53e1 (patch) | |
| tree | 1c39b06c8314cb7b6d89d00b0f33acaa22c3f861 /scripts/gen_compile_commands.py | |
| parent | 2b2706aaaefee49ba0030bc679865db178e89e11 (diff) | |
| download | linux-879456bedbe54f2d38b15c21dc5e3c30232b53e1.tar.xz | |
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>
Diffstat (limited to 'scripts/gen_compile_commands.py')
0 files changed, 0 insertions, 0 deletions