linux-kernel - Re: [hnaz-mm:master 343/435] arch/riscv/lib/delay.c:77:3: error: implicit declaration of function 'cpu

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Date:   Fri, 5 Nov 2021 15:25:37 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     kernel test robot <lkp@...el.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Johannes Weiner <hannes@...xchg.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [hnaz-mm:master 343/435] arch/riscv/lib/delay.c:77:3: error:
 implicit declaration of function 'cpu_relax'

On Fri, Nov 05, 2021 at 03:11:20PM +0800, kernel test robot wrote:
> tree:   https://github.com/hnaz/linux-mm master
> head:   b8280145cf2a894c873fdf91fb2af474c52ac6cc
> commit: eaadd3a1784064254eb06b36fbd4b653f0228478 [343/435] include/linux/delay.h: replace kernel.h with the necessary inclusions
> config: riscv-randconfig-r031-20211103 (attached as .config)
> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 264d3b6d4e08401c5b50a85bd76e80b3461d77e6)
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # install riscv cross compiling tool for clang build
>         # apt-get install binutils-riscv64-linux-gnu
>         # https://github.com/hnaz/linux-mm/commit/eaadd3a1784064254eb06b36fbd4b653f0228478
>         git remote add hnaz-mm https://github.com/hnaz/linux-mm
>         git fetch --no-tags hnaz-mm master
>         git checkout eaadd3a1784064254eb06b36fbd4b653f0228478
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>

AFAIR the fix is pending to be squashed.


-- 
With Best Regards,
Andy Shevchenko