> From: Intel-wired-lan <[email protected]> On Behalf Of
> Björn Töpel
> Sent: Tuesday, August 25, 2020 4:36 AM
> To: [email protected]
> Cc: [email protected]; [email protected]; Topel, Bjorn
> <[email protected]>; Karlsson, Magnus <[email protected]>;
> [email protected]
> Subject: [Intel-wired-lan] [PATCH net-next v2 1/3] i40e, xsk: remove HW
> descriptor prefetch in AF_XDP path
>
> From: Björn Töpel <[email protected]>
>
> 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 <[email protected]>
> ---
> drivers/net/ethernet/intel/i40e/i40e_txrx.c | 13 +++++++++++++
> drivers/net/ethernet/intel/i40e/i40e_txrx_common.h | 13 -------------
> drivers/net/ethernet/intel/i40e/i40e_xsk.c | 12 ++++++++++++
> 3 files changed, 25 insertions(+), 13 deletions(-)
>
Tested-by: Aaron Brown <[email protected]>
