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5.4 kernel exposes a problem, where its using host includes to compile BPF tests and it fails for mips because ptrace.h is quite different so it can not find the needed pt_struct definitions during cross compile % clang -fno-stack-protector -I. -I./include/uapi -I../../../include/uapi -I/mnt/b/yoe/build/tmp/work/qemumips-yoe-linux/kernel-selft est/1.0-r0/kernel-selftest-1.0/tools/testing/selftests/bpf/../usr/include -D__TARGET_ARCH_mips -g -idirafter /mnt/b/yoe/build/tmp/wor k/qemumips-yoe-linux/kernel-selftest/1.0-r0/recipe-sysroot-native/usr/lib/clang/10.0.0/include -Wno-compare-distinct-pointer-types -O2 -target bpf -emit-llvm \ -c progs/loop1.c progs/loop1.c:21:9: error: no member named 'regs' in 'struct pt_regs' m = PT_REGS_RC(ctx); ^~~~~~~~~~~~~~~ ./bpf_helpers.h:466:29: note: expanded from macro 'PT_REGS_RC' ~~ ^ 1 error generated. Signed-off-by: Khem Raj <raj.khem@gmail.com>