Re: [PATCH bpf-next] selftests/bpf: Fix building error when using userspace pt_regs

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On 12/14/21 2:55 PM, Pu Lehui wrote:
When building bpf selftests on arm64, the following error will occur:

progs/loop2.c:20:7: error: incomplete definition of type 'struct
user_pt_regs'

Some archs, like arm64 and riscv, use userspace pt_regs in
bpf_tracing.h, which causes build failure when bpf prog use
macro in bpf_tracing.h. So let's use vmlinux.h directly.

Signed-off-by: Pu Lehui <pulehui@xxxxxxxxxx>

Looks like this lets CI fail, did you run the selftests also with vmtest.sh to
double check?

https://github.com/kernel-patches/bpf/runs/4521708490?check_suite_focus=true :

[...]
#189 verif_scale_loop6:FAIL
libbpf: prog 'trace_virtqueue_add_sgs': BPF program load failed: Argument list too long
libbpf: prog 'trace_virtqueue_add_sgs': -- BEGIN PROG LOAD LOG --
R1 type=ctx expected=fp
BPF program is too large. Processed 1000001 insn
verification time 12250995 usec
stack depth 88
processed 1000001 insns (limit 1000000) max_states_per_insn 107 total_states 21739 peak_states 2271 mark_read 6
-- END PROG LOAD LOG --
libbpf: failed to load program 'trace_virtqueue_add_sgs'
libbpf: failed to load object 'loop6.o'
scale_test:FAIL:expect_success unexpected error: -7 (errno 7)
Summary: 221/986 PASSED, 8 SKIPPED, 1 FAILED
[...]

Please take a look and fix in your patch, thanks!



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