From: kernel test robot <lkp@intel.com>
To: Dave Hansen <dave.hansen@linux.intel.com>
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
Date: Mon, 19 Oct 2026 05:33:36 +0800 [thread overview]
Message-ID: <202610190526.6He4UAyv-lkp@intel.com> (raw)
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 <lkp@intel.com>
| 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
reply other threads:[~2026-10-18 21:34 UTC|newest]
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