On Mon, Jan 15, 2018 at 11:14 AM, Michal Simek <monstr@xxxxxxxxx> wrote: > On 15.1.2018 10:29, Arnd Bergmann wrote: >> On Sun, Jan 14, 2018 at 2:01 AM, kbuild test robot <lkp@xxxxxxxxx> wrote: >>> Hi Arnd, >>> >>> I love your patch! Yet something to improve: >>> >>> [auto build test ERROR on linus/master] >>> [also build test ERROR on v4.15-rc7 next-20180112] >>> [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/Arnd-Bergmann/microblaze-fix-endian-handling/20180105-120705 >>> config: microblaze-mmu_defconfig (attached as .config) >>> compiler: microblaze-linux-gcc (GCC) 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=microblaze >>> >>> All errors (new ones prefixed by >>): >>> >>>>> arch/microblaze/lib/fastcopy.S:33:2: error: #error Microblaze LE not support ASM optimized lib func. Disable OPT_LIB_ASM. >>> #error Microblaze LE not support ASM optimized lib func. Disable OPT_LIB_ASM. >>> ^~~~~ >>> >>> vim +33 arch/microblaze/lib/fastcopy.S >>> >> >> This seems to be a result of fixing one bug so we run into one that we didn't >> get to earlier. I still assume my patch is correct. > > I will look at this later this week. Xilinx toolchain which I use > normally are microblaze for BE or microblazeel that's why proper flags > are default options already that's why I didn't see any issue. > > Did you take toolchain from kernel.org? > https://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.9.0/ I used a gcc-7.2.1 that I built myself for all architectures in order to debug a gcc issue that appeared in gcc-7.2. The patch that got tested was my workaround for an obviously broken allmodconfig build. Arnd
