| Message ID | 20210618045742.204195-1-rpearsonhpe@gmail.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | Fix extra/redundant copies | expand |
On Thu, Jun 17, 2021 at 11:57:37PM -0500, Bob Pearson wrote: > This series of patches removes or shortens several unneeded passes over > packet data. > > Applies cleanly to for-next after the memory windows commits. > > Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> > > Bob Pearson (6): > RDMA/rxe: Fix useless copy in send_atomic_ack > RDMA/rxe: Fix redundant call to ip_send_check > RDMA/rxe: Fix extra copies in build_rdma_network_hdr > RDMA/rxe: Fix over copying in get_srq_wqe > RDMA/rxe: Fix extra copy in prepare_ack_packet > RDMA/rxe: Fix redundant skb_put_zero I'm inclined to agree with Bob that the network fast path should not rely on pre-zeroing but each written header should zero or write valid data as it goes, for performance So applied to for-next, thanks Jason
This series of patches removes or shortens several unneeded passes over packet data. Applies cleanly to for-next after the memory windows commits. Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> --- Bob Pearson (6): RDMA/rxe: Fix useless copy in send_atomic_ack RDMA/rxe: Fix redundant call to ip_send_check RDMA/rxe: Fix extra copies in build_rdma_network_hdr RDMA/rxe: Fix over copying in get_srq_wqe RDMA/rxe: Fix extra copy in prepare_ack_packet RDMA/rxe: Fix redundant skb_put_zero drivers/infiniband/sw/rxe/rxe_net.c | 4 +- drivers/infiniband/sw/rxe/rxe_resp.c | 56 ++++++++++++---------------- 2 files changed, 24 insertions(+), 36 deletions(-)