Hi Jeremy, kernel test robot noticed the following build warnings:
[auto build test WARNING on arm64/for-next/core] [also build test WARNING on arm/for-next arm/fixes kvmarm/next soc/for-next linus/master v6.8-rc7 next-20240307] [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/Jeremy-Linton/arm64-syscall-Direct-PRNG-kstack-randomization/20240306-061930 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20240305221824.3300322-2-jeremy.linton%40arm.com patch subject: [PATCH 1/1] arm64: syscall: Direct PRNG kstack randomization config: arm64-randconfig-r063-20240307 (https://download.01.org/0day-ci/archive/20240308/202403080244.u8fiy8dy-...@intel.com/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240308/202403080244.u8fiy8dy-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202403080244.u8fiy8dy-...@intel.com/ All warnings (new ones prefixed by >>): >> arch/arm64/kernel/syscall.c:74:12: warning: 'kstack_rng' defined but not >> used [-Wunused-function] 74 | static u16 kstack_rng(void) { return 0; } | ^~~~~~~~~~ vim +/kstack_rng +74 arch/arm64/kernel/syscall.c 71 72 arch_initcall(kstack_init); 73 #else > 74 static u16 kstack_rng(void) { return 0; } 75 #endif /* CONFIG_RANDOMIZE_KSTACK_OFFSET */ 76 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
