On Tue, Nov 10, 2020 at 12:10 PM Jian Cai <jian...@google.com> wrote: > > I tried to verify with ixp4xx_defconfig, and I noticed it also used > CONFIG_CPU_BIG_ENDIAN=y to enable big endianness as follows, > > linux$ grep ENDIAN arch/arm/configs/ixp4xx_defconfig > CONFIG_CPU_BIG_ENDIAN=y > > Also it appeared arch/arm/kernel/iwmmxt.o was not built with > ixp4xx_defconfig. The commands I used > > linux$ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make CC=clang > ixp4xx_defconfig > linux$ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make -j32 CC=clang > linux$ ls arch/arm/kernel/iwmmxt.o > ls: cannot access 'arch/arm/kernel/iwmmxt.o': No such file or directory > > Did I miss any steps?
Yes, you need to manually enable CONFIG_IWMMXT in menuconfig or via `scripts/configs -e`. -- Thanks, ~Nick Desaulniers