[PATCH 0/1] net/mlx5/core: Fix stack frame size warnings

[Cheng-Yang Chou <yphbchou0911@gmail.com>]

Hi,

This patch resolves stack frame size warnings in the mlx5 driver by
dynamically allocating 'struct ttc_params'. The structure exceeds the 
1024-byte limit, which risks causing stack overflows in deep execution paths.

While compiling the kernel, I encountered the following warnings:

drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c: In function ‘mlx5_lag_create_inner_ttc_table’:
drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c:543:1: warning: the frame size of 1104 bytes is larger than 1024 bytes [-Wframe-larger-than=]
  543 | }
      | ^
drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c: In function ‘mlx5_lag_create_ttc_table’:
drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c:527:1: warning: the frame size of 1104 bytes is larger than 1024 bytes [-Wframe-larger-than=]
  527 | }
      | ^
drivers/net/ethernet/mellanox/mlx5/core/en_rep.c: In function ‘mlx5e_create_rep_ttc_table’:
drivers/net/ethernet/mellanox/mlx5/core/en_rep.c:991:1: warning: the frame size of 1096 bytes is larger than 1024 bytes [-Wframe-larger-than=]
  991 | }
      | ^
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c: In function ‘mlx5e_hairpin_rss_init’:
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c:890:1: warning: the frame size of 1280 bytes is larger than 1024 bytes [-Wframe-larger-than=]
  890 | }
      | ^

Thanks,
Cheng-Yang

---

Cheng-Yang Chou (1):
  net/mlx5/core: Allocate ttc_params on heap

 .../net/ethernet/mellanox/mlx5/core/en_rep.c  | 15 +++++++++----
 .../net/ethernet/mellanox/mlx5/core/en_tc.c   | 15 ++++++++++---
 .../mellanox/mlx5/core/lag/port_sel.c         | 22 ++++++++++++++-----
 3 files changed, 39 insertions(+), 13 deletions(-)

-- 
2.48.1