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X-CSE-ConnectionGUID: wqN8u+XIS5WDoEZxHHcMVg== X-CSE-MsgGUID: cwe2vceyT1O1QSGb1LB4+w== X-IronPort-AV: E=McAfee;i="6800,10657,11817"; a="82278279" X-IronPort-AV: E=Sophos;i="6.24,205,1774335600"; d="scan'208";a="82278279" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jun 2026 12:49:44 -0700 X-CSE-ConnectionGUID: PVWeMxE1SBmrhX2KerBnGQ== X-CSE-MsgGUID: Qj5lbsTiSFOka9/YQKrQbQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,205,1774335600"; d="scan'208";a="247169717" Received: from lkp-server01.sh.intel.com (HELO f0d55cb201f0) ([10.239.97.150]) by orviesa008.jf.intel.com with ESMTP; 14 Jun 2026 12:49:43 -0700 Received: from kbuild by f0d55cb201f0 with local (Exim 4.98.2) (envelope-from ) id 1wYqpw-00000000RAS-2VAk; Sun, 14 Jun 2026 19:49:40 +0000 Date: Mon, 15 Jun 2026 03:49:15 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: kernel/cgroup/cgroup.o: warning: objtool: cgroup_wq_init+0xe8: unreachable instruction Message-ID: <202606150338.OCsBCglV-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: :::::: :::::: Manual check reason: "loongarch: unreachable instruction" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Chen Ridong CC: Tejun Heo tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8cd9520d35a6c38db6567e97dd93b1f11f185dc6 commit: 79f919a89c9d06816dbdbbd168fa41d27411a7f9 cgroup: split cgroup_destroy_wq into 3 workqueues date: 10 months ago :::::: branch date: 5 hours ago :::::: commit date: 10 months ago config: loongarch-randconfig-r064-20260608 (https://download.01.org/0day-ci/archive/20260615/202606150338.OCsBCglV-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260615/202606150338.OCsBCglV-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 | Fixes: 79f919a89c9d ("cgroup: split cgroup_destroy_wq into 3 workqueues") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202606150338.OCsBCglV-lkp@intel.com/ All warnings (new ones prefixed by >>): kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets+0x1b4: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: cgroup_setup_root+0x5ec: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: cgroup_destroy_root+0x11c: unreachable instruction >> kernel/cgroup/cgroup.o: warning: objtool: cgroup_wq_init+0xe8: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: cgroup_init_subsys+0x240: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: cgroup_init+0xd0: unreachable instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki