Hi Balbir, [auto build test ERROR on powerpc/next] [also build test ERROR on v4.9-rc5 next-20161117] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Balbir-Singh/powerpc-xmon-Add-support-for-dump-in-reverse/20161118-081358 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-ppc64e_defconfig (attached as .config) compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 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=powerpc Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All errors (new ones prefixed by >>): arch/powerpc/xmon/xmon.c: In function 'prdump': >> arch/powerpc/xmon/xmon.c:2431:10: error: 'idx' may be used uninitialized in >> this function [-Werror=maybe-uninitialized] idx -= 2; ~~~~^~~~ cc1: all warnings being treated as errors vim +/idx +2431 arch/powerpc/xmon/xmon.c 2425 } 2426 2427 if (m < nr) { 2428 if (reverse) { 2429 buf[idx + 1] = digithex(temp[m] % 16); 2430 buf[idx] = digithex(temp[m] / 16); > 2431 idx -= 2; 2432 } else 2433 printf("%.2x", temp[m]); 2434 } else --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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