linux-kernel - Re: Re: [PATCH v4] signal: trace_signal_deliver when signal_group

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Message-ID: <AF4D908CC0E2A24EB308A26962C8C3BDEB1ADF@DGGEMI530-MBX.china.huawei.com>
Date:   Thu, 25 Apr 2019 02:08:58 +0000
From:   weizhenliang <weizhenliang@...wei.com>
To:     Christian Brauner <christian@...uner.io>,
        Oleg Nesterov <oleg@...hat.com>
CC:     "ebiederm@...ssion.com" <ebiederm@...ssion.com>,
        "colona@...sta.com" <colona@...sta.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "arnd@...db.de" <arnd@...db.de>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "deepa.kernel@...il.com" <deepa.kernel@...il.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: Re: [PATCH v4] signal: trace_signal_deliver when
 signal_group_exit

On 04/25 Christian wrote:
>On Wed, Apr 24, 2019 at 6:16 PM Oleg Nesterov <oleg@...hat.com> wrote:
>>
>> On 04/24, weizhenliang wrote:
>> >
>> > On 04/24, Oleg wrote:
>> > >On 04/24, Christian Brauner wrote:
>> > >>
>> > >> On Wed, Apr 24, 2019 at 08:52:38PM +0800, Zhenliang Wei wrote:
>> > >>
>> > >> > Reviewed-by: Oleg Nesterov <oleg@...hat.com>
>> > >
>> > >Yes, but ...
>> > >
>> > >> > Reported-by: kbuild test robot <lkp@...el.com>
>> > >
>> > >Hmm, really?
>> >
>> > Yes, the kbuild test robot says that if I fix the problem with the 
>> > third parameter type, I should add this tag. What is wrong or missing?
>>
>> But this patch does not fix the problem reported by robot, your patch 
>> (which introduced that problem) was dropped, the problem has gone.
>>
>> With this "Reported-by: kbuild test robot <lkp@...el.com>" tag it 
>> looks as if test-robot has found the problem you are trying to fix: 
>> the lack of trace_signal_deliver(SIGKILL).
>
>Yeah, Oleg's absolutely right. That tag should just go.
>The Fixes line is all that we want, I think.

Got it ~ 
Thank you (Oleg and Christian) for the kind guidance
And I will update the patch as soon as possible

Wei.