From: Ilya Leoshkevich Date: Tue, 16 Jul 2019 10:53:53 +0000 (+0200) Subject: selftests/bpf: fix "alu with different scalars 1" on s390 X-Git-Tag: microblaze-v5.4-rc1~239^2~7^2~7 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=3461a0a02141b2612f2916e9250a430de41b0290;p=linux-2.6-microblaze.git selftests/bpf: fix "alu with different scalars 1" on s390 BPF_LDX_MEM is used to load the least significant byte of the retrieved test_val.index, however, on big-endian machines it ends up retrieving the most significant byte. Change the test to load the whole int in order to make it endianness-independent. Signed-off-by: Ilya Leoshkevich Signed-off-by: Alexei Starovoitov --- diff --git a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c index c3de1a2c9dc5..a53d99cebd9f 100644 --- a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c +++ b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c @@ -183,7 +183,7 @@ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), BPF_EXIT_INSN(), - BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0), + BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3), BPF_MOV64_IMM(BPF_REG_2, 0), BPF_MOV64_IMM(BPF_REG_3, 0x100000),