linux-kernel - Re: [PATCH] coccinelle: misc: secs_to_jiffies script: Create dummy report

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Message-ID: <588d5a4b-72cf-4d2c-8eee-c4240ae067b5@linux.microsoft.com>
Date: Tue, 10 Jun 2025 10:35:52 -0700
From: Easwar Hariharan <eahariha@...ux.microsoft.com>
To: Ricardo Ribalda <ribalda@...omium.org>
Cc: eahariha@...ux.microsoft.com, Julia Lawall <Julia.Lawall@...ia.fr>,
 Nicolas Palix <nicolas.palix@...g.fr>,
 Andrew Morton <akpm@...ux-foundation.org>, cocci@...ia.fr,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] coccinelle: misc: secs_to_jiffies script: Create dummy
 report

On 6/10/2025 6:09 AM, Ricardo Ribalda wrote:
> Hi
> 
> On Wed, 29 Jan 2025 at 18:38, Easwar Hariharan
> <eahariha@...ux.microsoft.com> wrote:
>>
>> On 1/29/2025 12:06 AM, Ricardo Ribalda wrote:
>>> When running cocci in report mode, eg:
>>> $make coccicheck M="$dir" MODE=report
>>>
>>> It returns this error:
>>> virtual rule report not supported
>>> coccicheck failed
>>> make: *** [Makefile:251: __sub-make] Error 2
>>>
>>> Create a dummy rule to avoid this error and run the other cocci scripts.
>>>
>>> Fixes: 551dbd1ec7ff ("coccinelle: misc: add secs_to_jiffies script")
>>> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
>>> ---
>>>  scripts/coccinelle/misc/secs_to_jiffies.cocci | 6 ++++++
>>>  1 file changed, 6 insertions(+)
>>>
>>> diff --git a/scripts/coccinelle/misc/secs_to_jiffies.cocci b/scripts/coccinelle/misc/secs_to_jiffies.cocci
>>> index 8bbb2884ea5d..2d85dca16418 100644
>>> --- a/scripts/coccinelle/misc/secs_to_jiffies.cocci
>>> +++ b/scripts/coccinelle/misc/secs_to_jiffies.cocci
>>> @@ -10,6 +10,7 @@
>>>  //
>>>
>>>  virtual patch
>>> +virtual report
>>>
>>>  @depends on patch@ constant C; @@
>>>
>>> @@ -20,3 +21,8 @@ virtual patch
>>>
>>>  - msecs_to_jiffies(C * MSEC_PER_SEC)
>>>  + secs_to_jiffies(C)
>>> +
>>> +// Dummy rule for report mode that would otherwise be empty and make spatch
>>> +// fail ("No rules apply.")
>>> +@...ipt:python depends on report@
>>> +@@
>>>
>>
>> Sorry about that, and thanks for the patch!
>>
>> FWIW,
>>
>> Reviewed-by: Easwar Hariharan <eahariha@...ux.microsoft.com>
> 
> I just checked on 6.16rc1 and it is still failing.
> 
> Could we land this while Mark's series is under review?
> 
> Thanks!
> 

Can you provide a pointer to Mark's series? I actually just implemented a proper report and context mode
which I'm glad to send out.

Thanks,
Easwar (he/him)