Subject: Re: linux-next: build warning after merge of the tip tree

From: Dou Liyang <[email-masked]>
Date: Fri, 16 Mar 2018 14:04:08 +0800

Hi Stephen,

At 03/16/2018 01:52 PM, Dou Liyang wrote:
> Hi Stephen,
> 
> At 03/16/2018 01:37 PM, Stephen Rothwell wrote:
>> Hi all,
>>
>> After merging the tip tree, yesterday's linux-next build (x86_64 
>> allnoconfig)
>> produced this warning:
>>
>> kernel/cpu.c:129:13: warning: 'cpuhp_is_ap_state' defined but not used 
>> [-Wunused-function]
>>   static bool cpuhp_is_ap_state(enum cpuhp_state state)
>>               ^~~~~~~~~~~~~~~~~
>>
> 
> Yes, Jiangshan has replaced it with cpuhp_hp_states. So it is obsolete,
> it should be removed.
> 

I made a mistake, It also be called by cpuhp_thread_fun() and
cpuhp_issue_call(), let me have a look carefully.

Thanks,
	dou.

> Thanks,
>      dou.
>> Introduced by commit
>>
>>    17a2f1ced028 ("cpu/hotplug: Merge cpuhp_bp_states and 
>> cpuhp_ap_states")
>>