Subject: Re: [PATCH] net/smc: Optimize the search method of reused buf_desc

From: Dust Li <[email-masked]>
Date: Fri, 1 Nov 2024 14:50:16 +0800

On 2024-10-29 14:54:15, liqiang wrote:
>We create a lock-less link list for the currently 
>idle reusable smc_buf_desc.
>
>When the 'used' filed mark to 0, it is added to 
>the lock-less linked list. 
>
>When a new connection is established, a suitable 
>element is obtained directly, which eliminates the 
>need for traversal and search, and does not require 
>locking resource.
>
>A lock-free linked list is a linked list that uses 
>atomic operations to optimize the producer-consumer model.

Do you see any performance issues without this lock-less linked list ?
Under what test case ? Any performance numbers would be welcome

Best regards,
Dust