linux-kernel - Re: Query on skip_onerr field in struct cpuhp

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Message-ID: <a8599754-5c8b-1667-1685-901f53319064@codeaurora.org>
Date:   Tue, 21 Aug 2018 20:10:47 +0530
From:   Mukesh Ojha <mojha@...eaurora.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     lkml <linux-kernel@...r.kernel.org>
Subject: Re: Query on skip_onerr field in struct cpuhp_step



On 8/21/2018 7:27 PM, Thomas Gleixner wrote:
> On Tue, 21 Aug 2018, Mukesh Ojha wrote:
>> Hi All,
>>
>> This is about one of field in struct cpuhp_step
>>
>> * @skip_onerr: Do not invoke the functions on error rollback
>>   *              Will go away once the notifiers are gone
>>          bool                    skip_onerr;
>>
>> Why this field was introduced, can anyone explain the history behind ? As i
>> don't see it being set from anywhere
>>
>> If it is specifically was dependent on notifiers, did we missed to remove it
>> as the notifiers are gone or the usecase still there?
> As the comment says....

Thanks for your reply
Sorry, for further question but i did not get the comment ..did you 
mean, we can remove this from the structure as notifier are
not their now. ?

Also if you are aware with the history, can you tell , why would i want 
to avoid a call in undo_cpu_up path?

Thanks,
Mukesh