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X-CSE-ConnectionGUID: W5N4by8CTUyCTPxh6m7yug== X-CSE-MsgGUID: UF8kb3/cRMep80fX7Eq/rQ== X-IronPort-AV: E=McAfee;i="6800,10657,11939"; a="1059260" X-IronPort-AV: E=Sophos;i="6.27,166,1787036400"; d="scan'208";a="1059260" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Oct 2026 14:34:31 -0700 X-CSE-ConnectionGUID: j/4fstdGRiOWICPYr8G7ZA== X-CSE-MsgGUID: oNEXQKR3RU6aoPca73+xjw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,166,1787036400"; d="scan'208";a="2720812" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa007.fm.intel.com with ESMTP; 18 Oct 2026 14:34:30 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xIYWR-00000000Kro-2X3z; Sun, 18 Oct 2026 21:34:27 +0000 Date: Mon, 19 Oct 2026 05:33:36 +0800 From: kernel test robot To: Dave Hansen Cc: oe-kbuild-all@lists.linux.dev Subject: [daveh-devel:kss 29/32] arch/x86/kernel/process.c:179:23: warning: 'task_kshstk_top' defined but not used Message-ID: <202610190526.6He4UAyv-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/daveh/devel.git kss head: 1b2e2aefa6c7e3d15fac1b25a971b2d2cc3b697d commit: 0d406ff1f7a5af1161792f0810bd786d75e57057 [29/32] define-SHSTK_TOKEN_MODE64 config: i386-allnoconfig (https://download.01.org/0day-ci/archive/20261019/202610190526.6He4UAyv-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261019/202610190526.6He4UAyv-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/202610190526.6He4UAyv-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/x86/kernel/process.c:179:23: warning: 'task_kshstk_top' defined but not used [-Wunused-function] 179 | static unsigned long *task_kshstk_top(struct task_struct *tsk) | ^~~~~~~~~~~~~~~ >> arch/x86/kernel/process.c:175:23: warning: 'task_kshstk_base' defined but not used [-Wunused-function] 175 | static unsigned long *task_kshstk_base(struct task_struct *tsk) | ^~~~~~~~~~~~~~~~ vim +/task_kshstk_top +179 arch/x86/kernel/process.c 174 > 175 static unsigned long *task_kshstk_base(struct task_struct *tsk) 176 { 177 return (unsigned long *)&task_thread_union(tsk)->stacks.shadow_stack[0]; 178 } > 179 static unsigned long *task_kshstk_top(struct task_struct *tsk) 180 { 181 return (unsigned long *)&task_thread_union(tsk)->stacks.shadow_stack[TASK_SHADOW_STACK_SIZE / sizeof(unsigned long)]; 182 } 183 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki