linux-kernel - Re: [PATCH for-next 3/9] RDMA/hns: Fix cpu stuck caused by printings during reset

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Message-ID: <4c202653-1ad7-d885-55b7-07c77a549b09@hisilicon.com>
Date: Wed, 11 Sep 2024 09:34:19 +0800
From: Junxian Huang <huangjunxian6@...ilicon.com>
To: Leon Romanovsky <leon@...nel.org>
CC: <jgg@...pe.ca>, <linux-rdma@...r.kernel.org>, <linuxarm@...wei.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH for-next 3/9] RDMA/hns: Fix cpu stuck caused by printings
 during reset



On 2024/9/10 21:09, Leon Romanovsky wrote:
> On Fri, Sep 06, 2024 at 05:34:38PM +0800, Junxian Huang wrote:
>> From: wenglianfa <wenglianfa@...wei.com>
>>
>> During reset, cmd to destroy resources such as qp, cq, and mr may
>> fail, and error logs will be printed. When a large number of
>> resources are destroyed, there will be lots of printings, and it
>> may lead to a cpu stuck. Replace the printing functions in these
>> paths with the ratelimited version.
> 
> At lease some of them if not most should be deleted.
> 

Hi Leon,I wonder if there is a clear standard about whether printing
can be added?

Thanks,
Junxian

> Thanks