linux-kernel - Re: [PATCH] selftests: mqueue|vDSO: fix convert pointer warnings

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Message-ID: <7a002d31-589c-0e1d-3ea9-6c7fa4423ee5@linuxfoundation.org>
Date:   Fri, 19 Nov 2021 16:52:07 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Anders Roxell <anders.roxell@...aro.org>, shuah@...nel.org
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH] selftests: mqueue|vDSO: fix convert pointer warnings

On 11/5/21 10:29 AM, Anders Roxell wrote:
> When building selftests, mqueue and vDSO the following shows up:
> 
> warning: passing 'int *' to parameter of type 'unsigned int *' converts between pointers to integer types with different sign [-Wpointer-sign]
> 
> warning: passing 'const char *' to parameter of type 'const unsigned char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Wpointer-sign]
> 
> The code looked OK so what normally are done are, adding the compiler
> directive to hide the warnings '-Wno-pointer-sign'.
> 

Would be nice to see the lines of code that are generating these warns.

I don't want to see the warnings suppressed all together in the Makefile.
I don't see any point in doing so and it will suppress real problems in
the future.

I won't be accepting this patch.

thanks,
-- Shuah