linux-kernel - Re: [PATCH v2] tracing: Fix the race between registering 'snapshot' event trigger and triggering 'snapshot' operation

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Date:   Wed, 15 Apr 2020 09:59:40 +0800
From:   Xiao Yang <yangx.jy@...fujitsu.com>
To:     Steven Rostedt <rostedt@...dmis.org>
CC:     Markus Elfring <Markus.Elfring@....de>,
        <linux-kselftest@...r.kernel.org>,
        <linux-trace-devel@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...hat.com>,
        Xiao Yang <ice_yangxiao@....com>
Subject: Re: [PATCH v2] tracing: Fix the race between registering 'snapshot'
 event trigger and triggering 'snapshot' operation

On 2020/4/15 9:46, Steven Rostedt wrote:
> On Wed, 15 Apr 2020 09:40:20 +0800
> Xiao Yang<yangx.jy@...fujitsu.com>  wrote:
>
>> On 2020/4/14 15:54, Markus Elfring wrote:
>>>> Traced event can trigger 'snapshot' operation(i.e. calls snapshot_trigger()
>>>
>>> I suggest to improve the change description.
>>>
>>> * Adjustment:
>>>     … operation (i. e. …
>> Hi Markus,
>>
>> Which part of description do you want to change or could you provide an
>> example for reference?
>
> That part is fine for me.
>
>>
>>>
>>> * Will the tag “Fixes” become relevant?
>>
>> Do you mean to add the following "Fixes" tag?
>> Fixes: 93e31ffbf417 "tracing: Add 'snapshot' event trigger command"
>>
>
> Yeah, that fixes tag is appropriate. But I usually add those myself, you
> don't need to resend.
Hi Steven,

Thanks for your quick reply.
Got it and I will keep the v2 patch.

Thanks,
Xiao Yang
>
> -- Steve
>
>
> .
>