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[176.36.0.241]) by smtp.gmail.com with ESMTPSA id f13-20020a2e6a0d000000b002b6d68b520esm4031105ljc.65.2023.10.13.06.25.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Oct 2023 06:25:16 -0700 (PDT) Message-ID: <5695d6b472d932e7aba4d1f6cbd1a8002642a33f.camel@gmail.com> Subject: Re: Is tools/testing/selftests/bpf/ maintained? From: Eduard Zingerman To: Tetsuo Handa Cc: bpf , KP Singh Date: Fri, 13 Oct 2023 16:25:14 +0300 In-Reply-To: <261bfeec-8230-490a-b583-d52223e2d707@I-love.SAKURA.ne.jp> References: <26b213505abeefba2728d238927ddd1907967786.camel@gmail.com> <261bfeec-8230-490a-b583-d52223e2d707@I-love.SAKURA.ne.jp> Autocrypt: addr=eddyz87@gmail.com; prefer-encrypt=mutual; keydata=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 nYzhLWGcczc6J71q1Dje0l5vIPaSFOgwmWD4DA+WvuxM/shH4rtWeodbv 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 t1iq+gsfnXbPz5AnS598ScZI1oP7OrPSFJkt/z4acEbOQDQs8aUqrd46PV jsdqGvKnXZxzylux29UTNby4jTlz9pNJM+wPrDRmGfchLDUmf6CffaUYCbu4FiId+9+dcTCDvxbABRy1C3OJ8QY7cxfJ+pEZW18fRJ0XCl/fiV/ecAOfB3HsqgTzAn555h0rkFgay0hAvMU/mAW/CFNSIxV397zm749ZNLA0L2dMy1AKuOqH+/B+/ImBfJMDjmdyJQ8WU/OFRuGLdqOd2oZrA1iuPIa+yUYyZkaZfz/emQwpIL1+Q4p1R/OplA4yc301AqruXXUcVDbEB+joHW3hy5FwK5t5OwTKatrSJBkydSF9zdXy98fYzGniRyRA65P0Ix/8J3BYB4edY2/w0Ip/mdYsYQljBY0A== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.0 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On Fri, 2023-10-13 at 22:15 +0900, Tetsuo Handa wrote: > Thank you for showing complete command line. >=20 > On 2023/10/13 1:34, Eduard Zingerman wrote: > > # Note: kernel build is mandatory, as vmlinux.h is constructed from DWA= RF in ./vmlinux >=20 > is what I was missing. Makefile rules should explicitly describe dependen= cy on vmlinux , > or at least emit message to teach users about the need to build vmlinux ? Yes, that would be nice. > But I still get error. I'm using Ubuntu 22.04.3 LTS. I think you are using clang-14, which does not like u32 instructions. At least I get the same error message as you with clang-14. If so, please try using clang-16 instead. >=20 > ---------------------------------------- > root@ubuntu:/usr/src/linux# make -C tools/testing/selftests/bpf/ > make: Entering directory '/usr/src/linux/tools/testing/selftests/bpf' > CLNG-BPF [test_maps] verifier_and.bpf.o > progs/verifier_and.c:58:16: error: invalid operand for instruction > asm volatile (" \ > ^ > :1:184: note: instantiated into assembly here > r1 =3D 0; = *(u64*)(r10 - 8) =3D r1; = r2 =3D r10; = r2 +=3D -8; r1 =3D map= _hash_48b ll; call 1; if = r0 =3D=3D 0 goto l0_1; r1 =3D *(u32*)(r0 = + 0); r9 =3D 1; = w1 %=3D 2; = w1 +=3D 1; w9 &=3D w1;= w9 +=3D 1; = w9 >>=3D 1; = w3 =3D 1; w3 -= =3D w9; w3 *=3D 0x10000000; = r0 +=3D r3; = *(u32*)(r0 + 0) =3D r3; l0_1:= r0 =3D r0; exit; = =20 > = = = = = = = ^ > 1 error generated. > make: *** [Makefile:598: /usr/src/linux/tools/testing/selftests/bpf/verif= ier_and.bpf.o] Error 1 > make: Leaving directory '/usr/src/linux/tools/testing/selftests/bpf' > ---------------------------------------- >=20