___empty(__VA_ARGS__))(fn, fn_ptr, dst,      \
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
/builddir/build/BUILD/kernel-5.14.fc33/linux-5.14/tools/lib/bpf/bpf_core_read.h:296:2: note: expanded from macro '___core_read0'
        ___read(fn, dst, ___type(src), src, a);
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/builddir/build/BUILD/kernel-5.14.fc33/linux-5.14/tools/lib/bpf/bpf_core_read.h:277:59: note: expanded from macro '___read'
        read_fn((void *)(dst), sizeof(*(dst)), &((src_type)(src))->accessor)
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
/builddir/build/BUILD/kernel-5.14.fc33/linux-5.14/tools/lib/bpf/bpf_core_read.h:206:79: note: expanded from macro 'bpf_core_read'
        bpf_probe_read_kernel(dst, sz, (const void *)__builtin_preserve_access_index(src))
                                                                                     ^~~
skeleton/pid_iter.bpf.c:35:32: note: forward declaration of 'struct bpf_link'
                return BPF_CORE_READ((struct bpf_link *)ent, id);
                                             ^
skeleton/pid_iter.bpf.c:35:10: error: returning 'void' from a function with incompatible result type '__u32' (aka 'unsigned int')
                return BPF_CORE_READ((struct bpf_link *)ent, id);
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/builddir/build/BUILD/kernel-5.14.fc33/linux-5.14/tools/lib/bpf/bpf_core_read.h:402:36: note: expanded from macro 'BPF_CORE_READ'
#define BPF_CORE_READ(src, a, ...) ({                                       \
                                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
skeleton/pid_iter.bpf.c:42:17: warning: declaration of 'struct bpf_iter__task_file' will not be visible outside of this function [-Wvisibility]
int iter(struct bpf_iter__task_file *ctx)
                ^
skeleton/pid_iter.bpf.c:44:25: error: incomplete definition of type 'struct bpf_iter__task_file'
        struct file *file = ctx->file;
                            ~~~^
skeleton/pid_iter.bpf.c:42:17: note: forward declaration of 'struct bpf_iter__task_file'
int iter(struct bpf_iter__task_file *ctx)
                ^
skeleton/pid_iter.bpf.c:45:32: error: incomplete definition of type 'struct bpf_iter__task_file'
        struct task_struct *task = ctx->task;
                                   ~~~^
skeleton/pid_iter.bpf.c:42:17: note: forward declaration of 'struct bpf_iter__task_file'
int iter(struct bpf_iter__task_file *ctx)
                ^
skeleton/pid_iter.bpf.c:76:19: error: incomplete definition of type 'struct bpf_iter__task_file'
        bpf_seq_write(ctx->meta->seq, &e, sizeof(e));
                      ~~~^
skeleton/pid_iter.bpf.c:42:17: note: forward declaration of 'struct bpf_iter__task_file'
int iter(struct bpf_iter__task_file *ctx)
                ^
1 warning and 6 errors generated.
make: *** [Makefile:164: pid_iter.bpf.o] Error 1
error: 
RPM build errors:
Bad exit status from /var/tmp/rpm-tmp.bRW6jt (%build)
    extra tokens at the end of %endif directive in line 268:  %endif #turbostat/x86_energy_perf_policy
    extra tokens at the end of %endif directive in line 368:  %endif #turbostat/x86_energy_perf_policy
    bogus date in %changelog: Mon Jul 08 2020 Jeff Law <law@redhat.com> - 5.8.0-0.rc4.git0.2
    Bad exit status from /var/tmp/rpm-tmp.bRW6jt (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/mockbuild/trace_decorator.py", line 95, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.8/site-packages/mockbuild/util.py", line 746, in do_with_status
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # bash --login -c /usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/kernel-tools.spec