linux-kernel - Re: [PATCH net] net/smc: Fix hung_task when removing SMC-R devices

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Message-ID: <5ebaaf18-bfdc-b59f-c541-7e32fb2e50fb@linux.alibaba.com>
Date:   Sun, 16 Jan 2022 15:18:00 +0800
From:   Wen Gu <guwen@...ux.alibaba.com>
To:     dust.li@...ux.alibaba.com, kgraul@...ux.ibm.com,
        davem@...emloft.net, kuba@...nel.org
Cc:     linux-s390@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net/smc: Fix hung_task when removing SMC-R devices



On 2022/1/15 6:29 pm, dust.li wrote:
> On Fri, Jan 14, 2022 at 09:37:24PM +0800, Wen Gu wrote:
>> A hung_task is observed when removing SMC-R devices.
> 
> Good catch, thank you !
> 
> Update the comments of smc_smcr_terminate_all as well ?
> 

OK, will do. Thank you!

Thanks,
Wen Gu

>>
>> Fixes: 349d43127dac ("net/smc: fix kernel panic caused by race of smc_sock")
>> Signed-off-by: Wen Gu <guwen@...ux.alibaba.com>
> 
> Reviewed-by: Dust Li <dust.li@...ux.alibaba.com>
>