Hi Deepak, kernel test robot noticed the following build errors: [auto build test ERROR on shuah-kselftest/next] [also build test ERROR on shuah-kselftest/fixes tip/x86/core robh/for-next arnd-asm-generic/master tip/smp/core kees/for-next/execve linus/master v6.11-rc7] [cannot apply to akpm-mm/mm-everything next-20240913] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Deepak-Gupta/mm-Introduce-ARCH_HAS_USER_SHADOW_STACK/20240913-072124 base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next patch link: https://lore.kernel.org/r/20240912231650.3740732-17-debug%40rivosinc.com patch subject: [PATCH v4 16/30] riscv/shstk: If needed allocate a new shadow stack on clone config: riscv-randconfig-001-20240914 (https://download.01.org/0day-ci/archive/20240914/202409141059.SDUgpQw4-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409141059.SDUgpQw4-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202409141059.SDUgpQw4-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): >> clang diag: arch/riscv/include/asm/usercfi.h:44:15: warning: no previous prototype for function 'get_shstk_base' [-Wmissing-prototypes] -- In file included from drivers/gpu/drm/drm_plane.c:23: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:56: In file included from include/linux/preempt.h:79: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: In file included from include/asm-generic/preempt.h:5: In file included from include/linux/thread_info.h:60: In file included from arch/riscv/include/asm/thread_info.h:37: In file included from arch/riscv/include/asm/processor.h:17: >> arch/riscv/include/asm/usercfi.h:44:15: error: no previous prototype for function 'get_shstk_base' [-Werror,-Wmissing-prototypes] unsigned long get_shstk_base(struct task_struct *task, unsigned long *size) ^ arch/riscv/include/asm/usercfi.h:44:1: note: declare 'static' if the function is not intended to be used outside of this translation unit unsigned long get_shstk_base(struct task_struct *task, unsigned long *size) ^ static 1 error generated. -- In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/mm.h:7: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:56: In file included from include/linux/preempt.h:79: In file included from ./arch/riscv/include/generated/asm/preempt.h:1: In file included from include/asm-generic/preempt.h:5: In file included from include/linux/thread_info.h:60: In file included from arch/riscv/include/asm/thread_info.h:37: In file included from arch/riscv/include/asm/processor.h:17: arch/riscv/include/asm/usercfi.h:44:15: warning: no previous prototype for function 'get_shstk_base' [-Wmissing-prototypes] unsigned long get_shstk_base(struct task_struct *task, unsigned long *size) ^ arch/riscv/include/asm/usercfi.h:44:1: note: declare 'static' if the function is not intended to be used outside of this translation unit unsigned long get_shstk_base(struct task_struct *task, unsigned long *size) ^ static 1 warning generated. >> clang diag: arch/riscv/include/asm/usercfi.h:44:15: warning: no previous prototype for function 'get_shstk_base' [-Wmissing-prototypes] >> clang diag: arch/riscv/include/asm/usercfi.h:44:15: warning: no previous prototype for function 'get_shstk_base' [-Wmissing-prototypes] vim +/get_shstk_base +44 arch/riscv/include/asm/usercfi.h 43 > 44 unsigned long get_shstk_base(struct task_struct *task, unsigned long *size) 45 { 46 return 0; 47 } 48 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
