linux-kernel - Re: [PATCH v4 5/5] drm/i915/display: Introduce DEFINE_SHOW_STORE

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Message-ID: <202011131938.aUKp90hV-lkp@intel.com>
Date:   Fri, 13 Nov 2020 19:26:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Luo Jiaxing <luojiaxing@...wei.com>, akpm@...ux-foundation.org,
        viro@...iv.linux.org.uk, andriy.shevchenko@...ux.intel.com
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, martin.petersen@...cle.com,
        john.garry@...wei.com, himanshu.madhani@...ium.com,
        felipe.balbi@...ux.intel.com, gregkh@...uxfoundation.org,
        uma.shankar@...el.com
Subject: Re: [PATCH v4 5/5] drm/i915/display: Introduce
 DEFINE_SHOW_STORE_ATTRIBUTE for debugfs

Hi Luo,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on mkp-scsi/for-next]
[also build test ERROR on scsi/for-next linus/master v5.10-rc3 next-20201112]
[cannot apply to hnaz-linux-mm/master]
[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/Luo-Jiaxing/Introduce-a-new-helper-macro-DEFINE_SHOW_STORE_ATTRIBUTE-at-seq_file-c/20201112-150927
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next
config: x86_64-randconfig-a002-20201111 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a7b65741441556d295079fc4f2391d99fd1c1111)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/c5417f366b929124a8b8a6add9b86653da6935a8
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Luo-Jiaxing/Introduce-a-new-helper-macro-DEFINE_SHOW_STORE_ATTRIBUTE-at-seq_file-c/20201112-150927
        git checkout c5417f366b929124a8b8a6add9b86653da6935a8
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:1788:1: error: redefinition of 'i915_hpd_short_storm_ctl_open'
   DEFINE_SHOW_STORE_ATTRIBUTE(i915_hpd_short_storm_ctl);
   ^
   include/linux/seq_file.h:195:12: note: expanded from macro 'DEFINE_SHOW_STORE_ATTRIBUTE'
   static int __name ## _open(struct inode *inode, struct file *file)      \
              ^
   <scratch space>:154:1: note: expanded from here
   i915_hpd_short_storm_ctl_open
   ^
   drivers/gpu/drm/i915/display/intel_display_debugfs.c:1735:1: note: previous definition is here
   i915_hpd_short_storm_ctl_open(struct inode *inode, struct file *file)
   ^
   1 error generated.

vim +/i915_hpd_short_storm_ctl_open +1788 drivers/gpu/drm/i915/display/intel_display_debugfs.c

  1787	
> 1788	DEFINE_SHOW_STORE_ATTRIBUTE(i915_hpd_short_storm_ctl);
  1789	

---
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" (34354 bytes)