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Thu, 3 Jul 2025 01:38:46 +0000 Date: Thu, 3 Jul 2025 09:38:37 +0800 From: Philip Li To: Nathan Chancellor CC: kernel test robot , Dmitry Baryshkov , , , Stephen Boyd Subject: Re: [linux-next:master 3022/4739] drivers/gpu/drm/msm/msm.o: warning: objtool: msm_dp_ctrl_on_stream(): unexpected end of section .text.msm_dp_ctrl_on_stream Message-ID: References: <202506251051.7rmus46j-lkp@intel.com> <20250702213716.GA2103156@ax162> <20250702214459.GC2103156@ax162> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20250702214459.GC2103156@ax162> X-ClientProxiedBy: SG2PR04CA0164.apcprd04.prod.outlook.com (2603:1096:4::26) To PH0PR11MB5674.namprd11.prod.outlook.com (2603:10b6:510:ec::10) Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR11MB5674:EE_|IA1PR11MB8246:EE_ X-MS-Office365-Filtering-Correlation-Id: 5ffa764e-32e4-428c-5265-08ddb9d25a49 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|376014; 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Thanks Nathan, I will update the bot to use the correct address from the latest .mailmap. > > On Wed, Jul 02, 2025 at 02:37:16PM -0700, Nathan Chancellor wrote: > > On Wed, Jun 25, 2025 at 10:16:55AM +0800, kernel test robot wrote: > > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > > > head: 2ae2aaafb21454f4781c30734959cf223ab486ef > > > commit: 8583a655f2c2bb442e2a2668680f419aa4c511d1 [3022/4739] drm/msm/dp: move/inline ctrl register functions > > > config: x86_64-buildonly-randconfig-005-20250625 (https://download.01.org/0day-ci/archive/20250625/202506251051.7rmus46j-lkp@intel.com/config) > > > compiler: clang version 20.1.7 (https://github.com/llvm/llvm-project 6146a88f60492b520a36f8f8f3231e15f3cc6082) > > > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250625/202506251051.7rmus46j-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/202506251051.7rmus46j-lkp@intel.com/ > > > > > > All warnings (new ones prefixed by >>): > > > > > > >> drivers/gpu/drm/msm/msm.o: warning: objtool: msm_dp_ctrl_on_stream(): unexpected end of section .text.msm_dp_ctrl_on_stream > > > > This appears to be a case similar to [1] and [2], where clang has been > > able to figure out that there will be a divide by zero in the else > > branch of msm_dp_ctrl_config_msa(). Should pixel_div be adjusted to 1 or > > should the divide by zero be avoided by returning early? I believe Bill > > is still looking into trying to make this less distructive in LLVM but > > it should still probably be fixed for LLVM 20, which is already > > released. > > > > [1]: https://lore.kernel.org/CAHk-=wiq=E0fwJLFpCc3wPY_9BPZF3dbdqGgVoOmK9Ykj5JEeg@mail.gmail.com/ > > [2]: https://lore.kernel.org/20250609213505.GA1634981@ax162/ > > > > Cheers, > > Nathan > > >