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

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Date:   Thu, 6 Aug 2020 13:48:26 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Matthias Maennich <maennich@...gle.com>,
        Julia Lawall <julia.lawall@...ia.fr>,
        linux-kernel@...r.kernel.org, kernel-team@...roid.com,
        YueHaibing <yuehaibing@...wei.com>, jeyu@...nel.org,
        cocci@...teme.lip6.fr, stable@...r.kernel.org,
        skhan@...uxfoundation.org
Subject: Re: [PATCH] scripts: add dummy report mode to add_namespace.cocci

On 6/22/20 10:14 AM, Shuah Khan wrote:
> On 6/22/20 9:06 AM, Greg Kroah-Hartman wrote:
>> On Mon, Jun 22, 2020 at 08:46:18AM -0600, Shuah Khan wrote:
>>> 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??
>>
>> If you want to take this, that's fine with me.  But as I had the
>> original file come through my tree, I can take it too.  It's up to you,
>> either is ok with me.
>>
> 
> Great. Please take this through your tree.
> 

Greg! Looks like this one didn't make it in. Can you pick this up?

thanks,
-- Shuah