Hi Saleem, Thank you for the patch! Yet something to improve: [auto build test ERROR on linux/master] [also build test ERROR on linus/master v5.14-rc3 next-20210730] [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] url: https://github.com/0day-ci/linux/commits/Saleem-Abdulrasool/riscv-explicitly-use-symbol-offsets-for-VDSO-v2/20210803-050150 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 349a2d52ffe59b7a0c5876fa7ee9f3eaf188b830 config: riscv-nommu_k210_defconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 10.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/82dd1f24fc79924938e3633ecf573c7973d938f6 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Saleem-Abdulrasool/riscv-explicitly-use-symbol-offsets-for-VDSO-v2/20210803-050150 git checkout 82dd1f24fc79924938e3633ecf573c7973d938f6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): arch/riscv/kernel/vdso/vgettimeofday.c: In function '__vdso_clock_gettime': >> arch/riscv/kernel/vdso/vgettimeofday.c:16:9: error: implicit declaration of function '__cvdso_clock_gettime'; did you mean '__vdso_clock_gettime'? [-Werror=implicit-function-declaration] 16 | return __cvdso_clock_gettime(clock, ts); | ^~~~~~~~~~~~~~~~~~~~~ | __vdso_clock_gettime arch/riscv/kernel/vdso/vgettimeofday.c: In function '__vdso_gettimeofday': >> arch/riscv/kernel/vdso/vgettimeofday.c:23:9: error: implicit declaration of function '__cvdso_gettimeofday'; did you mean '__vdso_gettimeofday'? [-Werror=implicit-function-declaration] 23 | return __cvdso_gettimeofday(tv, tz); | ^~~~~~~~~~~~~~~~~~~~ | __vdso_gettimeofday arch/riscv/kernel/vdso/vgettimeofday.c: In function '__vdso_clock_getres': >> arch/riscv/kernel/vdso/vgettimeofday.c:30:9: error: implicit declaration of function '__cvdso_clock_getres'; did you mean '__vdso_clock_getres'? [-Werror=implicit-function-declaration] 30 | return __cvdso_clock_getres(clock_id, res); | ^~~~~~~~~~~~~~~~~~~~ | __vdso_clock_getres cc1: some warnings being treated as errors -- arch/riscv/kernel/vdso/vgettimeofday.c: In function '__vdso_clock_gettime': >> arch/riscv/kernel/vdso/vgettimeofday.c:16:9: error: implicit declaration of function '__cvdso_clock_gettime'; did you mean '__vdso_clock_gettime'? [-Werror=implicit-function-declaration] 16 | return __cvdso_clock_gettime(clock, ts); | ^~~~~~~~~~~~~~~~~~~~~ | __vdso_clock_gettime arch/riscv/kernel/vdso/vgettimeofday.c: In function '__vdso_gettimeofday': >> arch/riscv/kernel/vdso/vgettimeofday.c:23:9: error: implicit declaration of function '__cvdso_gettimeofday'; did you mean '__vdso_gettimeofday'? [-Werror=implicit-function-declaration] 23 | return __cvdso_gettimeofday(tv, tz); | ^~~~~~~~~~~~~~~~~~~~ | __vdso_gettimeofday arch/riscv/kernel/vdso/vgettimeofday.c: In function '__vdso_clock_getres': >> arch/riscv/kernel/vdso/vgettimeofday.c:30:9: error: implicit declaration of function '__cvdso_clock_getres'; did you mean '__vdso_clock_getres'? [-Werror=implicit-function-declaration] 30 | return __cvdso_clock_getres(clock_id, res); | ^~~~~~~~~~~~~~~~~~~~ | __vdso_clock_getres cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:273: arch/riscv/kernel/vdso/vgettimeofday.o] Error 1 make[2]: Target 'include/generated/vdso-offsets.h' not remade because of errors. make[1]: *** [arch/riscv/Makefile:114: vdso_prepare] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:215: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +16 arch/riscv/kernel/vdso/vgettimeofday.c ad5d1122b82fbd Vincent Chen 2020-06-09 11 e93b327dbf3d37 Vincent Chen 2020-06-23 12 extern e93b327dbf3d37 Vincent Chen 2020-06-23 13 int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts); ad5d1122b82fbd Vincent Chen 2020-06-09 14 int __vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts) ad5d1122b82fbd Vincent Chen 2020-06-09 15 { ad5d1122b82fbd Vincent Chen 2020-06-09 @16 return __cvdso_clock_gettime(clock, ts); ad5d1122b82fbd Vincent Chen 2020-06-09 17 } ad5d1122b82fbd Vincent Chen 2020-06-09 18 e93b327dbf3d37 Vincent Chen 2020-06-23 19 extern e93b327dbf3d37 Vincent Chen 2020-06-23 20 int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz); ad5d1122b82fbd Vincent Chen 2020-06-09 21 int __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz) ad5d1122b82fbd Vincent Chen 2020-06-09 22 { ad5d1122b82fbd Vincent Chen 2020-06-09 @23 return __cvdso_gettimeofday(tv, tz); ad5d1122b82fbd Vincent Chen 2020-06-09 24 } ad5d1122b82fbd Vincent Chen 2020-06-09 25 e93b327dbf3d37 Vincent Chen 2020-06-23 26 extern e93b327dbf3d37 Vincent Chen 2020-06-23 27 int __vdso_clock_getres(clockid_t clock_id, struct __kernel_timespec *res); ad5d1122b82fbd Vincent Chen 2020-06-09 28 int __vdso_clock_getres(clockid_t clock_id, struct __kernel_timespec *res) ad5d1122b82fbd Vincent Chen 2020-06-09 29 { ad5d1122b82fbd Vincent Chen 2020-06-09 @30 return __cvdso_clock_getres(clock_id, res); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org