netdev - Re: [PATCH] net/smc: Optimize the search method of reused buf

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Message-ID: <20241031190652.5f775796@kernel.org>
Date: Thu, 31 Oct 2024 19:06:52 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: liqiang <liqiang64@...wei.com>
Cc: <wenjia@...ux.ibm.com>, <jaka@...ux.ibm.com>,
 <alibuda@...ux.alibaba.com>, <tonylu@...ux.alibaba.com>,
 <guwen@...ux.alibaba.com>, <linux-s390@...r.kernel.org>,
 <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
 <luanjianhai@...wei.com>, <zhangxuzhou4@...wei.com>,
 <dengguangxing@...wei.com>, <gaochao24@...wei.com>
Subject: Re: [PATCH] net/smc: Optimize the search method of reused buf_desc

On Tue, 29 Oct 2024 14:54:15 +0800 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.

Not sure what the story here is but the patch does not apply to net-next
-- 
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