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-rc1 next-20201030] [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-marco-DEFINE_SHOW_STORE_ATTRIBUTE-at-seq_file-c/20201030-165139 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next config: x86_64-rhel (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/874380b0aa5ca9c7b02e5d7a1aa9a232c46999d9 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Luo-Jiaxing/Introduce-a-new-helper-marco-DEFINE_SHOW_STORE_ATTRIBUTE-at-seq_file-c/20201030-165139 git checkout 874380b0aa5ca9c7b02e5d7a1aa9a232c46999d9 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All errors (new ones prefixed by >>): In file included from include/drm/drm_debugfs.h:36, from drivers/gpu/drm/i915/display/intel_display_debugfs.c:6: >> drivers/gpu/drm/i915/display/intel_display_debugfs.c:1788:29: error: >> redefinition of 'i915_hpd_short_storm_ctl_open' 1788 | DEFINE_SHOW_STORE_ATTRIBUTE(i915_hpd_short_storm_ctl); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/seq_file.h:195:12: note: in definition of macro 'DEFINE_SHOW_STORE_ATTRIBUTE' 195 | static int __name ## _open(struct inode *inode, struct file *file) \ | ^~~~~~ drivers/gpu/drm/i915/display/intel_display_debugfs.c:1735:1: note: previous definition of 'i915_hpd_short_storm_ctl_open' was here 1735 | i915_hpd_short_storm_ctl_open(struct inode *inode, struct file *file) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/display/intel_display_debugfs.c:1735:1: warning: 'i915_hpd_short_storm_ctl_open' defined but not used [-Wunused-function] 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-...@lists.01.org
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