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=?utf-8?B?cTMzRVFJQ2tkL0tVeCtYOHdYUDNEZFJ3OXNhTzc5dmhJTE93ZEZLNUNpdDJ6?= =?utf-8?B?OG5LV0dpUm9RaDZjenl1QkM2ZmNtanFuZ0x4eWF1QWMrK3cvdlhZaWc5RDRi?= =?utf-8?B?MWhKU1ROSDlUdENDcHlMRnAraVBrS0tUMXE2OTBhTnBTTWNURENEWVJoSVcr?= =?utf-8?B?UStHRWJCZkppdnlyK3lVYi9hTlRtUmF6V2QwVlFISExwMGxVeHdmOWFTOWRN?= =?utf-8?B?NXVZVzhybjRsa0RMSytZMkhFVkFXdFM1SXl4cm9oYW5lZndLenZwYWpoR3Iv?= =?utf-8?B?ekdUQ2U2SDVtUnRhRmxtR3dnakl5NUZoWUpMT3ZOU2dZWGwzVTZqc3A4QUtm?= =?utf-8?Q?NwzN9Tb17vbcyz/2ooLsL9WYG?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: e5c6e21d-28d8-4c5d-ba4c-08de2b1dcc14 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR12MB7458.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Nov 2025 05:53:31.4078 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: RK75i+jBs9sDuJIiS3uI9OXbTD3KmlTnYAV0MT0eJ/VtAMcyPZ29jDPaqvd7/Jyl9c9RoRWGEn0pqfiLNXoGeg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ5PPF0170DF9F2 On 11/24/2025 4:27 AM, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: d724c6f85e80a23ed46b7ebc6e38b527c09d64f5 > commit: f634f10809ec3d51d9529dfb0f99bc7cec1b5eff [2198/11041] mm/mempolicy: Export memory policy symbols > config: loongarch-randconfig-r051-20251123 (https://download.01.org/0day-ci/archive/20251124/202511240656.0NaPcJs1-lkp@intel.com/config) > compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251124/202511240656.0NaPcJs1-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/202511240656.0NaPcJs1-lkp@intel.com/ > > All errors (new ones prefixed by >>): > >>> arch/loongarch/kernel/switch.S:28:18: error: operand must be a symbol with modifier (e.g. %pc_lo12) or an integer in the range [-2048, 2047] > ld.d $r20, $r5, 3808 > ^ > > > vim +28 arch/loongarch/kernel/switch.S > > 803b0fc5c3f2ba Huacai Chen 2022-05-31 12 > 803b0fc5c3f2ba Huacai Chen 2022-05-31 13 /* > 803b0fc5c3f2ba Huacai Chen 2022-05-31 14 * task_struct *__switch_to(task_struct *prev, task_struct *next, > 613d4164f5a503 Huacai Chen 2025-01-25 15 * struct thread_info *next_ti, void *sched_ra, void *sched_cfa) > 803b0fc5c3f2ba Huacai Chen 2022-05-31 16 */ > 803b0fc5c3f2ba Huacai Chen 2022-05-31 17 .align 5 > 803b0fc5c3f2ba Huacai Chen 2022-05-31 18 SYM_FUNC_START(__switch_to) > 803b0fc5c3f2ba Huacai Chen 2022-05-31 19 csrrd t1, LOONGARCH_CSR_PRMD > 803b0fc5c3f2ba Huacai Chen 2022-05-31 20 stptr.d t1, a0, THREAD_CSRPRMD > 803b0fc5c3f2ba Huacai Chen 2022-05-31 21 > 803b0fc5c3f2ba Huacai Chen 2022-05-31 22 cpu_save_nonscratch a0 > 803b0fc5c3f2ba Huacai Chen 2022-05-31 23 stptr.d ra, a0, THREAD_REG01 > 93a4fa622eb061 Qing Zhang 2022-08-06 24 stptr.d a3, a0, THREAD_SCHED_RA > 93a4fa622eb061 Qing Zhang 2022-08-06 25 stptr.d a4, a0, THREAD_SCHED_CFA > 09f33601bf940f Huacai Chen 2022-12-10 26 #if defined(CONFIG_STACKPROTECTOR) && !defined(CONFIG_SMP) > 09f33601bf940f Huacai Chen 2022-12-10 27 la t7, __stack_chk_guard > 09f33601bf940f Huacai Chen 2022-12-10 @28 LONG_L t8, a1, TASK_STACK_CANARY > > :::::: The code at line 28 was first introduced by commit > :::::: 09f33601bf940f955c10a6e75a1c1b7bcadee5e2 LoongArch: Add basic STACKPROTECTOR support > > :::::: TO: Huacai Chen > :::::: CC: Huacai Chen > Hi, This appears unrelated to the commit and looks like LoongArch assembly issue. CC: LoongArch maintainers. Thanks, Shivank