On 15.1.2018 10:29, Arnd Bergmann wrote: > On Sun, Jan 14, 2018 at 2:01 AM, kbuild test robot 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/ Thanks, Michal -- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Xilinx Microblaze Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP SoCs