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

Li Qiang
2024-11-01T08:27:27Z

在 2024/11/1 14:50, Dust Li 写道:
> 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
>

I optimized it through review. I re-sent this patch based on the
net-next repo. It contains some of my own test data. Please check it. :-)

> Best regards,
> Dust
>
> .
>

--
Cheers,
Li Qiang