On 2/15/24 2:26 PM, Toke Høiland-Jørgensen wrote:
The live XDP frame code in BPF_PROG_RUN suffered from suboptimal cache line placement due to the forced cache line alignment of struct xdp_rxq_info. Rearrange things so we don't waste a whole cache line on padding, and also add explicit alignment to the data_hard_start field in the start-of-page data structure we use for the data pages. Signed-off-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
Acked-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
