Re: [PATCH] lib/string: shrink lib/string.i via IWYU

Andy Shevchenko
2023-12-07T12:55:08Z

On Wed, Dec 06, 2023 at 03:10:46PM +0800, kernel test robot wrote:
> Hi,
>
> kernel test robot noticed the following build errors:
>
> [auto build test ERROR on 33cc938e65a98f1d29d0a18403dbbee050dcad9a]
>
> url: https://github.com/intel-lab-lkp/linux/commits/tanzirh-google-com/lib-string-shrink-lib-string-i-via-IWYU/20231206-050121
> base: 33cc938e65a98f1d29d0a18403dbbee050dcad9a
> patch link: https://lore.kernel.org/r/20231205-libstringheader-v1-1-7f9c573053a7%40gmail.com
> patch subject: [PATCH] lib/string: shrink lib/string.i via IWYU
> config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20231206/202312061429.BJ7GrHnt-lkp@intel.com/config)
> compiler: sh4-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312061429.BJ7GrHnt-lkp@intel.com/reproduce)

...

> lib/string.c:124:49: note: in expansion of macro 'WORD_AT_A_TIME_CONSTANTS'
> 124 | const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;

> cba8df4be3bdf1 Paul Mundt 2012-06-04 @15 #define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) }

REPEAT_BYTE() shouldn't be even in kernel.h to begin with!

--
With Best Regards,
Andy Shevchenko