linux-kernel - Re: [PATCH] scripts: add dummy report mode to add

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Date:   Mon, 22 Jun 2020 08:46:18 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Matthias Maennich <maennich@...gle.com>,
        Julia Lawall <julia.lawall@...ia.fr>
Cc:     linux-kernel@...r.kernel.org, kernel-team@...roid.com,
        YueHaibing <yuehaibing@...wei.com>, jeyu@...nel.org,
        cocci@...teme.lip6.fr, stable@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH] scripts: add dummy report mode to add_namespace.cocci

On 6/22/20 2:03 AM, Matthias Maennich wrote:
> On Thu, Jun 04, 2020 at 02:39:18PM -0600, Shuah Khan wrote:
>> On 6/4/20 1:31 PM, Julia Lawall wrote:
>>>
>>>
>>> On Thu, 4 Jun 2020, Matthias Maennich wrote:
>>>
>>>> When running `make coccicheck` in report mode using the
>>>> add_namespace.cocci file, it will fail for files that contain
>>>> MODULE_LICENSE. Those match the replacement precondition, but spatch
>>>> errors out as virtual.ns is not set.
>>>>
>>>> In order to fix that, add the virtual rule nsdeps and only do search 
>>>> and
>>>> replace if that rule has been explicitly requested.
>>>>
>>>> In order to make spatch happy in report mode, we also need a dummy 
>>>> rule,
>>>> as otherwise it errors out with "No rules apply". Using a script:python
>>>> rule appears unrelated and odd, but this is the shortest I could 
>>>> come up
>>>> with.
>>>>
>>>> Adjust scripts/nsdeps accordingly to set the nsdeps rule when run 
>>>> trough
>>>> `make nsdeps`.
>>>>
>>>> Suggested-by: Julia Lawall <julia.lawall@...ia.fr>
>>>> Fixes: c7c4e29fb5a4 ("scripts: add_namespace: Fix coccicheck failed")
>>>> Cc: YueHaibing <yuehaibing@...wei.com>
>>>> Cc: jeyu@...nel.org
>>>> Cc: cocci@...teme.lip6.fr
>>>> Cc: stable@...r.kernel.org
>>>> Signed-off-by: Matthias Maennich <maennich@...gle.com>
>>>
>>> Acked-by: Julia Lawall <julia.lawall@...ia.fr>
>>>
>>> Shuah reported the problem to me, so you could add
>>>
>>> Reported-by: Shuah Khan <skhan@...uxfoundation.org>
>>>
>>
>> Very cool. No errors with this patch. Thanks for fixing it
>> quickly.
> 
> I am happy I could fix that and thanks for confirming. I assume your
> Tested-by could be added?

Yes

Tested-by: Shuah Khan <skhan@...uxfoundation.org>
> 
> Is somebody willing to take this patch through their tree?
> 

My guess is that these go through kbuild git??


thanks,
-- Shuah