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X-CSE-ConnectionGUID: FNPdRXToS12ClUWNvvI+Qg== X-CSE-MsgGUID: aM8wmAh6THuDaEszUNEG3A== X-IronPort-AV: E=McAfee;i="6600,9927,11039"; a="8259521" X-IronPort-AV: E=Sophos;i="6.07,190,1708416000"; d="scan'208";a="8259521" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2024 08:27:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,11039"; a="915436339" X-IronPort-AV: E=Sophos;i="6.07,190,1708416000"; d="scan'208";a="915436339" Received: from smile.fi.intel.com (HELO smile) ([10.237.72.54]) by fmsmga002.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2024 08:27:53 -0700 Received: from andy by smile with local (Exim 4.97) (envelope-from ) id 1ruZra-000000036LG-3g2d; Wed, 10 Apr 2024 18:27:50 +0300 Date: Wed, 10 Apr 2024 18:27:50 +0300 From: Andy Shevchenko To: kernel test robot Cc: Alexander Potapenko , oe-kbuild-all@lists.linux.dev, Linux Memory Management List , Yury Norov , Alexander Lobakin Subject: Re: [linux-next:master 2203/5042] WARNING: modpost: vmlinux: section mismatch in reference: bitmap_read+0x128 (section: .text.unlikely) -> __setup_str_initcall_blacklist (section: .init.rodata) Message-ID: References: <202404102353.Cv1gUjk3-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202404102353.Cv1gUjk3-lkp@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo 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@intel.com/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@intel.com/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 > | Closes: https://lore.kernel.org/oe-kbuild-all/202404102353.Cv1gUjk3-lkp@intel.com/ > > 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? -- With Best Regards, Andy Shevchenko