Hi Jim, I love your patch! Yet something to improve:
[auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on linux/master drm-tip/drm-tip linus/master v5.9-rc2 next-20200826] [cannot apply to drm/drm-next] [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/Jim-Cromie/dyndbg-POC-use-dynamic_debug_exec_queries-in-DRM/20200827-010409 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: arm64-randconfig-r002-20200826 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 7cfcecece0e0430937cf529ce74d3a071a4dedc6) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 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 drivers/gpu/drm/drm_print.c:30: >> include/linux/dynamic_debug.h:196:3: error: implicit declaration of function >> 'printk' [-Werror,-Wimplicit-function-declaration] printk(KERN_WARNING "dyndbg param is supported only in " ^ >> include/linux/dynamic_debug.h:196:10: error: use of undeclared identifier >> 'KERN_WARNING' printk(KERN_WARNING "dyndbg param is supported only in " ^ In file included from drivers/gpu/drm/drm_print.c:31: In file included from include/linux/io.h:11: In file included from include/linux/bug.h:5: In file included from arch/arm64/include/asm/bug.h:26: In file included from include/asm-generic/bug.h:19: In file included from include/linux/kernel.h:15: include/linux/printk.h:171:5: error: conflicting types for 'printk' int printk(const char *fmt, ...); ^ include/linux/dynamic_debug.h:196:3: note: previous implicit declaration is here printk(KERN_WARNING "dyndbg param is supported only in " ^ >> drivers/gpu/drm/drm_print.c:70:11: error: implicit declaration of function >> 'dynamic_debug_exec_queries' [-Werror,-Wimplicit-function-declaration] chgct = dynamic_debug_exec_queries("module=drm* +p", NULL); ^ 4 errors generated. # https://github.com/0day-ci/linux/commit/ad959a93dccb8fe5deb5a7da3e22049779571b9b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jim-Cromie/dyndbg-POC-use-dynamic_debug_exec_queries-in-DRM/20200827-010409 git checkout ad959a93dccb8fe5deb5a7da3e22049779571b9b vim +/printk +196 include/linux/dynamic_debug.h e9d376f0fa66bd6 Jason Baron 2009-02-05 190 b48420c1d3019ce Jim Cromie 2012-04-27 191 static inline int ddebug_dyndbg_module_param_cb(char *param, char *val, b48420c1d3019ce Jim Cromie 2012-04-27 192 const char *modname) b48420c1d3019ce Jim Cromie 2012-04-27 193 { b48420c1d3019ce Jim Cromie 2012-04-27 194 if (strstr(param, "dyndbg")) { 516cf1be07cf3ab Jim Cromie 2012-05-01 195 /* avoid pr_warn(), which wants pr_fmt() fully defined */ 516cf1be07cf3ab Jim Cromie 2012-05-01 @196 printk(KERN_WARNING "dyndbg param is supported only in " b48420c1d3019ce Jim Cromie 2012-04-27 197 "CONFIG_DYNAMIC_DEBUG builds\n"); b48420c1d3019ce Jim Cromie 2012-04-27 198 return 0; /* allow and ignore */ b48420c1d3019ce Jim Cromie 2012-04-27 199 } b48420c1d3019ce Jim Cromie 2012-04-27 200 return -EINVAL; b48420c1d3019ce Jim Cromie 2012-04-27 201 } b48420c1d3019ce Jim Cromie 2012-04-27 202 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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