Created attachment 282967 [details] Build log This error appears while building 4.14.122. I'm building with GCC 9.1 for ppc64el. make -f ./scripts/Makefile.build obj=arch/powerpc/kernel/trace powerpc64le-linux-gcc -m64 -Wp,-MD,arch/powerpc/kernel/trace/.ftrace.o.d -nostdinc -isystem /home/jason/toolchain/bin/../lib/gcc/powerpc64le-linux/9.1.0/include -I./arch/powerpc/include -I./arch/powerpc/include/generated -I./include -I./arch/powerpc/include/uapi -I./arch/powerpc/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -D__KERNEL__ -DCC_USING_MPROFILE_KERNEL -Iarch/powerpc -DHAVE_AS_ATHIGH=1 -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -msoft-float -pipe -Iarch/powerpc -mtraceback=no -mabi=elfv2 -mcmodel=medium -mno-pointers-to-nested-functions -mcpu=power8 -mno-altivec -mno-vsx -funit-at-a-time -fno-dwarf2-cfi-asm -mno-string -Wa,-maltivec -mlittle-endian -mno-strict-align -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-int-in-bool-context -Wno-attribute-alias -O2 --param=allow-store-data-races=0 -DCC_HAVE_ASM_GOTO -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -Wno-unused-const-variable -fno-var-tracking-assignments -Wdeclaration-after-statement -Wno-pointer-sign -Wno-stringop-truncation -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wno-packed-not-aligned -Werror -Werror -DKBUILD_BASENAME='"ftrace"' -DKBUILD_MODNAME='"ftrace"' -c -o arch/powerpc/kernel/trace/ftrace.o arch/powerpc/kernel/trace/ftrace.c arch/powerpc/kernel/trace/ftrace.c: In function 'prepare_ftrace_return': arch/powerpc/kernel/trace/ftrace.c:596:43: error: taking address of packed member of 'struct ftrace_graph_ent' may result in an unaligned pointer value [-Werror=address-of-packed-member] 596 | if (ftrace_push_return_trace(parent, ip, &trace.depth, 0, | ^~~~~~~~~~~~ cc1: all warnings being treated as errors scripts/Makefile.build:326: recipe for target 'arch/powerpc/kernel/trace/ftrace.o' failed make[2]: *** [arch/powerpc/kernel/trace/ftrace.o] Error 1 scripts/Makefile.build:585: recipe for target 'arch/powerpc/kernel/trace' failed make[1]: *** [arch/powerpc/kernel/trace] Error 2 Makefile:1038: recipe for target 'arch/powerpc/kernel' failed make: *** [arch/powerpc/kernel] Error 2