diff: tools/tools/objtool/noreturns.h: No such file or directory Warning: Kernel ABI header at 'tools/tools/objtool/noreturns.h' differs from latest version at 'tools/objtool/noreturns.h' diff: tools/include/linux/noreturns.h: No such file or directory Warning: Kernel ABI header at 'tools/include/linux/noreturns.h' differs from latest version at 'include/linux/noreturns.h' ../kernel/bpf/verifier.c:348:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:22016:38: error: subtraction of functions? Share your drugs ../kernel/bpf/verifier.c: note: in included file (through ../include/linux/bpf.h, ../include/linux/bpf-cgroup.h): ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? diff: tools/tools/objtool/noreturns.h: No such file or directory Warning: Kernel ABI header at 'tools/tools/objtool/noreturns.h' differs from latest version at 'tools/objtool/noreturns.h' diff: tools/include/linux/noreturns.h: No such file or directory Warning: Kernel ABI header at 'tools/include/linux/noreturns.h' differs from latest version at 'include/linux/noreturns.h' ../kernel/bpf/verifier.c:348:12: warning: symbol 'btf_vmlinux' was not declared. Should it be static? ../kernel/bpf/verifier.c:22016:38: error: subtraction of functions? Share your drugs ../kernel/bpf/verifier.c: note: in included file (through ../include/linux/bpf.h, ../include/linux/bpf-cgroup.h): ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../include/linux/bpfptr.h:65:40: warning: cast to non-scalar ../include/linux/bpfptr.h:65:40: warning: cast from non-scalar ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?