linux-kernel - Re: [PATCH v2 2/3] selftests/futex: don't pass a const char* to asprintf(3)

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Date: Thu, 30 May 2024 14:15:21 -0700
From: John Hubbard <jhubbard@...dia.com>
To: Shuah Khan <skhan@...uxfoundation.org>, Shuah Khan <shuah@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
 Peter Zijlstra <peterz@...radead.org>, Darren Hart <dvhart@...radead.org>,
 Davidlohr Bueso <dave@...olabs.net>, Edward Liaw <edliaw@...gle.com>,
 André Almeida <andrealmeid@...lia.com>,
 "Nysal Jan K . A" <nysal@...ux.ibm.com>, Mark Brown <broonie@...nel.org>,
 Valentin Obst <kernel@...entinobst.de>, linux-kselftest@...r.kernel.org,
 LKML <linux-kernel@...r.kernel.org>, llvm@...ts.linux.dev
Subject: Re: [PATCH v2 2/3] selftests/futex: don't pass a const char* to
 asprintf(3)

On 5/30/24 2:13 PM, Shuah Khan wrote:
> On 5/30/24 13:16, John Hubbard wrote:
>> On 5/30/24 12:04 PM, Shuah Khan wrote:
>>> On 5/28/24 20:29, John Hubbard wrote:
>>>> When building with clang, via:
>>>>
>>>>      make LLVM=1 -C tools/testing/selftests
>>>>
>>>> ...clang issues a warning, because test_name is passed into 
>>>> asprintf(3),
>>>> which then changes it.
>>>
>>> Please include the warning in the commit log.
>>
>> Ah, OK, the warning is:
>>
>> futex_requeue_pi.c:403:17: warning: passing 'const char **' to parameter
>> of type 'char **' discards qualifiers in nested pointer types
>> [-Wincompatible-pointer-types-discards-qualifiers]
>>
>>
>> Please let me know if you'd prefer a v3, or if you'd rather fix it
>> up, whatever seems easiest for you.
>>
> 
> Yes please send me v3.
> 

OK, coming soon, hopefully a bit later today, in fact.

thanks,
-- 
John Hubbard
NVIDIA