Bug#1083064: systemd FTCBFS: bpf stuff does not satisfy nor work

[Johannes Schauer Marin Rodrigues]

Hi,

Quoting Helmut Grohne (2024-09-30 22:08:04)
> It is not clear to me whether marking it Multi-Arch: foreign would be correct
> and seek input from others (hello d-cross at l.d.o).

I had some contact with bpftool via the src:linux packaging, so I tried finding
out the correct answer to this question and the answer seems to be: BPF is
mostly architecture independent *except* that it uses the endian-ness of its
own architecture for the content it writes. This is what is also documented
here:

https://docs.kernel.org/bpf/standardization/instruction-set.html

And this property was confirmed by Ben Hutchings in #debian-kernel. Since big
endian architectures still exist, I don't think we need to research further and
can confidently declare that no, bpftool cannot be M-A:foreign.

Thanks!

cheers, josch
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