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([2620:10d:c090:500::3:8ac8]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-30c06d5bec5sm985094eec.26.2026.06.18.18.01.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jun 2026 18:01:30 -0700 (PDT) Message-ID: <5c88bd7f01c7c156bb112f0f720dc9faffc7363b.camel@gmail.com> Subject: Re: [PATCH bpf-next v1 4/4] selftests/bpf: Add kfunc set test to resolve_btfids From: Eduard Zingerman To: Ihor Solodrai , Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , Kumar Kartikeya Dwivedi Cc: Alan Maguire , Jiri Olsa , Emil Tsalapatis , bpf@vger.kernel.org, linux-kbuild@vger.kernel.org Date: Thu, 18 Jun 2026 18:01:28 -0700 In-Reply-To: <20260617210619.1562858-5-ihor.solodrai@linux.dev> References: <20260617210619.1562858-1-ihor.solodrai@linux.dev> <20260617210619.1562858-5-ihor.solodrai@linux.dev> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.60.1 (3.60.1-1.fc44) Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2026-06-17 at 14:06 -0700, Ihor Solodrai wrote: [...] > @@ -161,6 +189,27 @@ void test_resolve_btfids(void) > ASSERT_LE(test_set.ids[i - 1], test_set.ids[i], "sort_check"); > } > =20 > + /* Check BTF_KFUNCS_START(test_kfunc_set) */ > + ASSERT_EQ(test_kfunc_set.flags, BTF_SET8_KFUNCS, "kfunc_set_flags"); > + ASSERT_EQ(test_kfunc_set.cnt, ARRAY_SIZE(kfunc_symbols), "kfunc_set_cnt= "); > + > + for (i =3D 0; i < test_kfunc_set.cnt; i++) { > + for (j =3D 0; j < ARRAY_SIZE(kfunc_symbols); j++) { > + if (kfunc_symbols[j].id =3D=3D (s32)test_kfunc_set.pairs[i].id) { > + ASSERT_EQ(test_kfunc_set.pairs[i].flags, > + kfunc_symbols[j].flags, "kfunc_flags_check"); > + break; > + } > + } > + > + ASSERT_TRUE(j < ARRAY_SIZE(kfunc_symbols), "kfunc_id_found"); > + > + if (i > 0) { > + ASSERT_LE(test_kfunc_set.pairs[i - 1].id, > + test_kfunc_set.pairs[i].id, "kfunc_sort_check"); > + } To assert the sorted property, should one define two sets? { a, b } and { b, a }? And check both. Otherwise the id assignments might be an artifact of compiler BTF generation logic. > + } > + > out: > btf__free(btf); > } [...]