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| author | Björn Töpel <bjorn.topel@intel.com> | 2020-08-25 14:35:54 +0300 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2020-09-14 19:45:35 +0300 |
| commit | f78bd13027d9d43a6f5f3469377cd6bfd4218a14 (patch) | |
| tree | 9347ba9527a76cc332dd913059fd93aeb0897354 /include/linux/compiler-gcc.h | |
| parent | 1fa5cef283420b3dad93cd6ab04d7125bc1562de (diff) | |
| download | linux-f78bd13027d9d43a6f5f3469377cd6bfd4218a14.tar.xz | |
i40e, xsk: remove HW descriptor prefetch in AF_XDP path
The software prefetching of HW descriptors has a negative impact on
the performance. Therefore, it is now removed.
Performance for the rx_drop benchmark increased with 2%.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'include/linux/compiler-gcc.h')
0 files changed, 0 insertions, 0 deletions