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Message-ID: <ed04079e-2bd8-453b-9076-aabb6095d3e4@huawei.com>
Date: Mon, 2 Dec 2024 10:20:41 +0800
From: Li Qiang <liqiang64@...wei.com>
To: Jakub Kicinski <kuba@...nel.org>
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>,
<luanjianhai@...wei.com>, <zhangxuzhou4@...wei.com>,
<dengguangxing@...wei.com>, <gaochao24@...wei.com>
Subject: Re: [PATCH net-next] net/smc: Optimize the timing of unlocking in
smc_listen_work
在 2024/12/1 3:04, Jakub Kicinski 写道:
> On Sat, 30 Nov 2024 16:26:30 +0800 liqiang wrote:
>> The optimized code is equivalent to the original process, and it releases the
>> lock early.
>
> By a single clock cycle? You need to provide much more detailed
> justification, otherwise this looks like churn for no real gain.
I don't have any more information about this patch, I saw that
the lock will be released regardless of branch true or false,
so brought it forward.
Thanks for your reply, Jakub!
:)
--
Cheers,
Li Qiang
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