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Date:   Thu, 3 Mar 2022 10:35:19 +0800
From:   "" <>
To:     Jakub Kicinski <>, kernel test robot <>
Cc:     Karsten Graul <>,
        Tony Lu <>,,,,,
Subject: Re: [PATCH net-next] net/smc: fix compile warning for smc_sysctl

On Wed, Mar 02, 2022 at 11:45:03AM -0800, Jakub Kicinski wrote:
>On Wed, 2 Mar 2022 23:02:23 +0800 kernel test robot wrote:
>>    In file included from net/smc/smc_sysctl.c:18:
>>    net/smc/smc_sysctl.h:23:19: note: previous definition of 'smc_sysctl_init' with type 'int(void)'
>>       23 | static inline int smc_sysctl_init(void)
>>          |                   ^~~~~~~~~~~~~~~
>> >> net/smc/smc_sysctl.c:78:1: warning: ignoring attribute 'noinline' because it conflicts with attribute 'gnu_inline' [-Wattributes]  
>>       78 | {
>>          | ^
>The __net_init / __net_exit attr has to go on the prototype as well.

Thanks a lot for pointing out !

>This doesn't look right, tho, why __net_* attrs?  You call those
>functions from the module init/exit. __net_ is for namespace code.

Yes, I made the mistake and mixes up smc_sysctl_{init|exit}() with
smc_sysctl_{init|exit}_net when doing the quick fix...

And my check script with neither allyesconfig/allnoconfig nor defconfig
reproduced this.
This happens when CONFIG_SMC=y|m and CONFIG_SYSCTL is not set.

I will send a v2.


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