linux-kernel - Re: [PATCH v4 1/3] misc/pvpanic: split-up generic and platform dependent code

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Date:   Sun, 14 Feb 2021 12:39:04 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mihai Carabas <mihai.carabas@...cle.com>,
        linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        gregkh@...uxfoundation.org, arnd@...db.de, rdunlap@...radead.org,
        bobo.shaobowang@...wei.com,
        Mihai Carabas <mihai.carabas@...cle.com>
Subject: Re: [PATCH v4 1/3] misc/pvpanic: split-up generic and platform
 dependent code

Hi Mihai,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on soc/for-next linus/master v5.11-rc7]
[cannot apply to char-misc/char-misc-testing next-20210212]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Mihai-Carabas/misc-pvpanic-split-up-generic-and-platform-dependent-code/20210214-044449
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2ab38c17aac10bf55ab3efde4c4db3893d8691d2
config: arm-randconfig-r035-20210214 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
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 arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/0day-ci/linux/commit/2014e17b0bb6fb0bbea9dfa9d4d04ad6352d77bf
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Mihai-Carabas/misc-pvpanic-split-up-generic-and-platform-dependent-code/20210214-044449
        git checkout 2014e17b0bb6fb0bbea9dfa9d4d04ad6352d77bf
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   In file included from drivers/misc/pvpanic/pvpanic-mmio.c:19:
>> drivers/misc/pvpanic/pvpanic.h:12:9: warning: 'pr_fmt' macro redefined [-Wmacro-redefined]
   #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
           ^
   include/linux/printk.h:301:9: note: previous definition is here
   #define pr_fmt(fmt) fmt
           ^
   1 warning generated.


vim +/pr_fmt +12 drivers/misc/pvpanic/pvpanic.h

    10	
    11	
  > 12	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    13	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (26707 bytes)