Re: [PATCH bpf 2/4] libbpf, selftests/bpf: Adjust libbpf, bpftool, selftests to match LLVM

[Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx>]

On Thu, Mar 14, 2024 at 8:57 PM Andrii Nakryiko
<andrii.nakryiko@xxxxxxxxx> wrote:
>
> On Thu, Mar 14, 2024 at 7:18 PM Alexei Starovoitov
> <alexei.starovoitov@xxxxxxxxx> wrote:
> >
> > From: Alexei Starovoitov <ast@xxxxxxxxxx>
> >
> > The selftests use
> > to tell LLVM about special pointers. For LLVM there is nothing "arena"
> > about them. They are simply pointers in a different address space.
> > Hence LLVM diff https://github.com/llvm/llvm-project/pull/85161 renamed:
> > . macro __BPF_FEATURE_ARENA_CAST -> __BPF_FEATURE_ADDR_SPACE_CAST
> > . global variables in __attribute__((address_space(N))) are now
> >   placed in section named ".address_space.N" instead of ".arena.N".
>
> .addr_space.N, according to code below

yes. subject typo.