Hi Christophe, Thank you for the patch! Yet something to improve:
[auto build test ERROR on powerpc/next] [also build test ERROR on next-20180530] [cannot apply to v4.17-rc7] [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/Christophe-Leroy/powerpc-fix-build-failure-by-disabling-attribute-alias-warning/20180531-030007 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-defconfig (attached as .config) compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=powerpc All errors (new ones prefixed by >>): >> arch/powerpc/kernel/syscalls.c:66:32: error: unknown option after '#pragma >> GCC diagnostic' kind [-Werror=pragmas] #pragma GCC diagnostic ignored "-Wattribute-alias" ^~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- >> arch/powerpc/kernel/signal_32.c:1041:32: error: unknown option after >> '#pragma GCC diagnostic' kind [-Werror=pragmas] #pragma GCC diagnostic ignored "-Wattribute-alias" ^~~~~~~~~~~~~~~~~~~ arch/powerpc/kernel/signal_32.c:1235:32: error: unknown option after '#pragma GCC diagnostic' kind [-Werror=pragmas] #pragma GCC diagnostic ignored "-Wattribute-alias" ^~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- >> arch/powerpc/kernel/signal_64.c:629:32: error: unknown option after '#pragma >> GCC diagnostic' kind [-Werror=pragmas] #pragma GCC diagnostic ignored "-Wattribute-alias" ^~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- >> arch/powerpc/kernel/rtas.c:1055:32: error: unknown option after '#pragma GCC >> diagnostic' kind [-Werror=pragmas] #pragma GCC diagnostic ignored "-Wattribute-alias" ^~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- >> arch/powerpc/kernel/pci_64.c:207:32: error: unknown option after '#pragma >> GCC diagnostic' kind [-Werror=pragmas] #pragma GCC diagnostic ignored "-Wattribute-alias" ^~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +66 arch/powerpc/kernel/syscalls.c 64 65 #pragma GCC diagnostic push > 66 #pragma GCC diagnostic ignored "-Wattribute-alias" 67 SYSCALL_DEFINE6(mmap2, unsigned long, addr, size_t, len, 68 unsigned long, prot, unsigned long, flags, 69 unsigned long, fd, unsigned long, pgoff) 70 { 71 return do_mmap2(addr, len, prot, flags, fd, pgoff, PAGE_SHIFT-12); 72 } 73 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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