Hi Vineet, [auto build test ERROR on arm64/for-next/core] [cannot apply to linus/master linux/master v4.8-rc5 next-20160909] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Vineet-Gupta/atomic64-No-need-for-CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE/20160909-013936 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=ia64 All errors (new ones prefixed by >>): lib/atomic64_test.c: In function 'test_atomic64': >> lib/atomic64_test.c:217:2: error: implicit declaration of function 'atomic64_dec_if_positive' [-Werror=implicit-function-declaration] BUG_ON(atomic64_dec_if_positive(&v) != (onestwos - 1)); ^ cc1: some warnings being treated as errors vim +/atomic64_dec_if_positive +217 lib/atomic64_test.c 86a89380 Luca Barbieri 2010-02-24 211 INIT(v0); 9efbcd59 Luca Barbieri 2010-03-01 212 BUG_ON(!atomic64_add_unless(&v, one, v1)); 86a89380 Luca Barbieri 2010-02-24 213 r += one; 86a89380 Luca Barbieri 2010-02-24 214 BUG_ON(v.counter != r); 86a89380 Luca Barbieri 2010-02-24 215 86a89380 Luca Barbieri 2010-02-24 216 INIT(onestwos); 86a89380 Luca Barbieri 2010-02-24 @217 BUG_ON(atomic64_dec_if_positive(&v) != (onestwos - 1)); 86a89380 Luca Barbieri 2010-02-24 218 r -= one; 86a89380 Luca Barbieri 2010-02-24 219 BUG_ON(v.counter != r); 86a89380 Luca Barbieri 2010-02-24 220 :::::: The code at line 217 was first introduced by commit :::::: 86a8938078a8bb518c5376de493e348c7490d506 lib: Add self-test for atomic64_t :::::: TO: Luca Barbieri <luca@xxxxxxxxxxxxxxxxx> :::::: CC: H. Peter Anvin <hpa@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: Binary data
