Hi Randy, kernel test robot noticed the following build warnings: [auto build test WARNING on uml/next] [also build test WARNING on uml/fixes wireless-next/main wireless/main linus/master v6.3-rc6 next-20230411] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Randy-Dunlap/UML-pata_cs5536-fix-build-for-X86_32-UML-with-TRACEPOINTS/20230410-091733 base: git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux next patch link: https://lore.kernel.org/r/20230410011325.26850-1-rdunlap%40infradead.org patch subject: [PATCH v3] UML: pata_cs5536: fix build for X86_32 UML with TRACEPOINTS config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20230412/202304120048.v4uqUq9Q-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/2782ce24954318f1698ec910691250f4d287d817 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Randy-Dunlap/UML-pata_cs5536-fix-build-for-X86_32-UML-with-TRACEPOINTS/20230410-091733 git checkout 2782ce24954318f1698ec910691250f4d287d817 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=um SUBARCH=i386 olddefconfig make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304120048.v4uqUq9Q-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> arch/x86/um/../lib/msr.c:30: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Read an MSR with error handling arch/x86/um/../lib/msr.c:52: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Write an MSR with error handling arch/x86/um/../lib/msr.c:91: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Set @bit in a MSR @msr. arch/x86/um/../lib/msr.c:104: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Clear @bit in a MSR @msr. vim +30 arch/x86/um/../lib/msr.c 22085a66c2fab6 Borislav Petkov 2014-03-09 28 22085a66c2fab6 Borislav Petkov 2014-03-09 29 /** 22085a66c2fab6 Borislav Petkov 2014-03-09 @30 * Read an MSR with error handling 22085a66c2fab6 Borislav Petkov 2014-03-09 31 * 22085a66c2fab6 Borislav Petkov 2014-03-09 32 * @msr: MSR to read 22085a66c2fab6 Borislav Petkov 2014-03-09 33 * @m: value to read into 22085a66c2fab6 Borislav Petkov 2014-03-09 34 * 22085a66c2fab6 Borislav Petkov 2014-03-09 35 * It returns read data only on success, otherwise it doesn't change the output 22085a66c2fab6 Borislav Petkov 2014-03-09 36 * argument @m. 22085a66c2fab6 Borislav Petkov 2014-03-09 37 * 22085a66c2fab6 Borislav Petkov 2014-03-09 38 */ 3e7bbe15ed84e3 Zhao Xuehui 2021-04-08 39 static int msr_read(u32 msr, struct msr *m) 22085a66c2fab6 Borislav Petkov 2014-03-09 40 { 22085a66c2fab6 Borislav Petkov 2014-03-09 41 int err; 22085a66c2fab6 Borislav Petkov 2014-03-09 42 u64 val; 22085a66c2fab6 Borislav Petkov 2014-03-09 43 22085a66c2fab6 Borislav Petkov 2014-03-09 44 err = rdmsrl_safe(msr, &val); 22085a66c2fab6 Borislav Petkov 2014-03-09 45 if (!err) 22085a66c2fab6 Borislav Petkov 2014-03-09 46 m->q = val; 22085a66c2fab6 Borislav Petkov 2014-03-09 47 22085a66c2fab6 Borislav Petkov 2014-03-09 48 return err; 22085a66c2fab6 Borislav Petkov 2014-03-09 49 } 22085a66c2fab6 Borislav Petkov 2014-03-09 50 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
