Hi Mark, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 1588d318a9e388d05b6cf5e2a63134c8beb6a355 commit: bf04fdf1fcc0040e6c81b413cdae84c0eb9212b9 [3415/3415] arm64/sve: Track vector lengths for tasks in an array config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20251222/202512220837.hZSDu6Y4-lkp@i...) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251222/202512220837.hZSDu6Y4-lkp@i...) 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/202512220837.hZSDu6Y4-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

arch/arm64/kernel/fpsimd.c:158:12: warning: 'get_sve_default_vl' defined but not used [-Wunused-function] 158 | static int get_sve_default_vl(void) | ^~~~~~~~~~~~~~~~~~

vim +/get_sve_default_vl +158 arch/arm64/kernel/fpsimd.c 1e570f512cbdc5 Dave Martin 2020-06-10 157 1e570f512cbdc5 Dave Martin 2020-06-10 @158 static int get_sve_default_vl(void) 1e570f512cbdc5 Dave Martin 2020-06-10 159 { 68da302c8ae303 Mark Brown 2023-11-28 160 return get_default_vl(ARM64_VEC_SVE); 1e570f512cbdc5 Dave Martin 2020-06-10 161 } 79ab047c75d6a9 Dave Martin 2017-10-31 162 :::::: The code at line 158 was first introduced by commit :::::: 1e570f512cbdc5e9e401ba640d9827985c1bea1e arm64/sve: Eliminate data races on sve_default_vl :::::: TO: Dave Martin <Dave.Martin@arm.com> :::::: CC: Will Deacon <will@kernel.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki