Re: [PATCH v3] net/mlx5/core: Allocate ttc_params on heap

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

On Fri, Feb 27, 2026 at 01:46:01AM +0800, Cheng-Yang Chou wrote:
> The ttc_params structure is too large to be allocated on the stack,
> triggering warnings for exceeding the 1024-byte frame size limit.
> Consuming excessive stack space risks causing stack overflows.
> 
> Allocate the structure dynamically to maintain safe stack boundaries.
> 
> Signed-off-by: Po-Ying Chiu <charlie910417@gmail.com>
> Signed-off-by: Cheng-Yang Chou <yphbchou0911@gmail.com>
> Suggested-by: Leon Romanovsky <leon@kernel.org>
> ---
> Changes in v3:
> - Use tabs instead of spaces for indentation
> - Link to v2: https://lore.kernel.org/all/20260226114219.2111793-1-yphbchou0911@gmail.com/
> 
> Changes in v2:
> - Use kzalloc_obj() instead of kzalloc() to align with the new memory 
>   allocation API introduced in v7.0-rc1 (Leon Romanovsky)
> - Link to v1: https://lore.kernel.org/all/20260226092857.1583984-1-yphbchou0911@gmail.com/
> 
>  .../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(-)

Gentle ping.
Please let me know if any changes are needed.

-- 
Thanks,
Cheng-Yang