netdev - [PATCH net-next 0/3] net/mlx5: use indirect call wrappers

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Date:   Fri, 31 May 2019 14:53:32 +0200
From:   Paolo Abeni <pabeni@...hat.com>
To:     netdev@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Leon Romanovsky <leon@...nel.org>
Subject: [PATCH net-next 0/3] net/mlx5: use indirect call wrappers

The mlx5_core driver uses several indirect calls in fast-path, some of them
are invoked on each ingress packet, even for the XDP-only traffic.

This series leverage the indirect call wrappers infrastructure the avoid
the expansive RETPOLINE overhead for 2 indirect calls in fast-path.

Each call is addressed on a different patch, plus we need to introduce a couple
of additional helpers to cope with the higher number of possible direct-call
alternatives.

Paolo Abeni (3):
  net/mlx5e: use indirect calls wrapper for skb allocation
  indirect call wrappers: add helpers for 3 and 4 ways switch
  net/mlx5e: use indirect calls wrapper for the rx packet handler

 .../net/ethernet/mellanox/mlx5/core/en_rx.c   | 26 ++++++++++++++-----
 include/linux/indirect_call_wrapper.h         | 12 +++++++++
 2 files changed, 32 insertions(+), 6 deletions(-)

-- 
2.20.1