Re: [PATCH net-next v2 1/2] mlx5/core: relax memory barrier in eq_update_ci()

From: Jakub Kicinski
Date: Mon Nov 11 2024 - 21:38:29 EST


On Thu, 7 Nov 2024 11:30:51 -0700 Caleb Sander Mateos wrote:
> The memory barrier in eq_update_ci() after the doorbell write is a
> significant hot spot in mlx5_eq_comp_int(). Under heavy TCP load, we see
> 3% of CPU time spent on the mfence instruction.

Applied, thanks.

In the future please avoid sending patches in reply to older version.