On Thu, Apr 11, 2024 at 11:08:40AM +0200, Alexander Lobakin wrote: > From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > Date: Wed, 10 Apr 2024 18:27:50 +0300 > > > On Wed, Apr 10, 2024 at 11:22:16PM +0800, kernel test robot wrote: > >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > >> head: 6ebf211bb11dfc004a2ff73a9de5386fa309c430 > >> commit: 991e5583647d33ee3a9c89248974ef98b9f539a8 [2203/5042] lib/test_bitmap: add tests for bitmap_{read,write}() > >> config: xtensa-randconfig-r012-20230725 (https://download.01.org/0day-ci/archive/20240410/202404102353.Cv1gUjk3-lkp@xxxxxxxxx/config) > >> compiler: xtensa-linux-gcc (GCC) 13.2.0 > >> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240410/202404102353.Cv1gUjk3-lkp@xxxxxxxxx/reproduce) > >> > >> If you fix the issue in a separate patch/commit (i.e. not just a new version of > >> the same patch/commit), kindly add following tags > >> | Reported-by: kernel test robot <lkp@xxxxxxxxx> > >> | Closes: https://lore.kernel.org/oe-kbuild-all/202404102353.Cv1gUjk3-lkp@xxxxxxxxx/ > >> > >> All warnings (new ones prefixed by >>, old ones prefixed by <<): > >> > >> WARNING: modpost: missing MODULE_DESCRIPTION() in vmlinux.o > >>>> WARNING: modpost: vmlinux: section mismatch in reference: bitmap_read+0x128 (section: .text.unlikely) -> __setup_str_initcall_blacklist (section: .init.rodata) > >> WARNING: modpost: vmlinux: section mismatch in reference: bitmap_allocate_region+0xb4 (section: .text.unlikely) -> __setup_str_initcall_blacklist (section: .init.rodata) > > > > As pointed out earlier, this is unconfirmed bug in GCC (GCC developers > > point a finger at kernel code and vice versa). Can you reproduce this > > with clang? > > I'm unable to reproduce it on clang-trunk (19). For xtensa? Because it's particular to very that architecture (GCC backend). -- With Best Regards, Andy Shevchenko
