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Marchesi" To: Alexei Starovoitov Cc: Eduard Zingerman , bpf , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Kumar Kartikeya Dwivedi , Tejun Heo , Barret Rhoden , Johannes Weiner , linux-mm , Kernel Team Subject: Re: [PATCH bpf-next 15/16] selftests/bpf: Add bpf_arena_list test. 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 V5Y5Gt4a +flq7t7L6PHywc1kHBKky2MIlRKaFA4d1Sq5PUNtEJ+w7ttMCHTH9melASvEy3G9zZuNfZtVnxPsXhprSPl6u6960FaKEtVgc96qocQivs/D/twzN+DjuIK8yiQ8BCYykrYwj6nznndd+l8mV6h8EObzjZmkyOvaEzeDitmVXMubSUBDTPN3w3WeXQaK6L77Onb1+dJQ0i/D9N9UNTR2TxrrexVO7mWfhIsk5HeXHYxUwtAjYymcFJ4tmI2/+0MNpCHo3bmL6MFy2YVi/Nz5edd/F70JUHu+5QPioPJiGo4+BqYMMDjUVy7Uu2a3nPFBjPzb4HfEf88qizPokbFDHgUk18SRSsjoknlVZxdzJ/ItEWTwOo5yDmlJPYdVMnlfQVg3k2xc/LkuDZEeTdDGUOdWVAfSHqKaAZCtMuK/6VZ4G6s/R+M4g+B7Kc8fmya1GRXarZw2XECcodBjaziCF4b9zIOhOBudnJlU8RgRWNTNJFRm+4vJJouUd65pFmmf/GOGSg8w/KHa+1qzPDiU53SOaJY32+30ReKfTkneBKvH4XwE= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On Wed, Feb 7, 2024 at 9:04=E2=80=AFAM Eduard Zingerman wrote: >> >> On Tue, 2024-02-06 at 14:04 -0800, Alexei Starovoitov wrote: >> [...] >> >> > diff --git a/tools/testing/selftests/bpf/bpf_arena_list.h b/tools/test= ing/selftests/bpf/bpf_arena_list.h >> > new file mode 100644 >> > index 000000000000..9f34142b0f65 >> > --- /dev/null >> > +++ b/tools/testing/selftests/bpf/bpf_arena_list.h >> >> [...] >> >> > +#ifndef __BPF__ >> > +static inline void *bpf_iter_num_new(struct bpf_iter_num *, int, int)= { return NULL; } >> > +static inline void bpf_iter_num_destroy(struct bpf_iter_num *) {} >> > +static inline bool bpf_iter_num_next(struct bpf_iter_num *) { return = true; } >> > +#endif >> >> Note: when compiling using current clang 'main' (make test_progs) this r= eports the following errors: >> >> In file included from tools/testing/selftests/bpf/prog_tests/arena_list.= c:9: >> ./bpf_arena_list.h:28:59: error: omitting the parameter name in a functi= on >> definition is a C23 extension [-Werror,= -Wc23-extensions] >> 28 | static inline void *bpf_iter_num_new(struct bpf_iter_num *, int,= int) { return NULL; } >> ... >> >> So I had to give parameter names for the above functions. > > Thanks. Fixed. Too bad gcc 12 didn't catch it. I'm opening a GCC bugzilla for this.a