From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E4A7C77B75 for ; Thu, 20 Apr 2023 03:28:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233134AbjDTD2S (ORCPT ); Wed, 19 Apr 2023 23:28:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232748AbjDTD2Q (ORCPT ); Wed, 19 Apr 2023 23:28:16 -0400 Received: from mail-pg1-x530.google.com (mail-pg1-x530.google.com [IPv6:2607:f8b0:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0EAC40FE for ; Wed, 19 Apr 2023 20:27:48 -0700 (PDT) Received: by mail-pg1-x530.google.com with SMTP id 41be03b00d2f7-51f6461af24so373023a12.2 for ; Wed, 19 Apr 2023 20:27:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1681961268; x=1684553268; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=+tV8crDjofyv0750I49wkl0WcXsLL7eDJ+4zb9fuL8U=; b=U+0vKGQyRzTzOtm6Vwg6IvsfLIs8cE/cGzeNtzx/bOizHJ7DmvCcD5SqTWcXZ3lBG2 X5Q4SnbgVn3mM3KKXRrcEk+hkuadH13xYkjRW8+NkOOBf4R3tnIG8xP1HK7ZpXcSeSAv KsQh6BDaa92EkVmqCUis//S7ULVq1/T7nJIeAcivnmkYVQlN/PGIxl7rD1yKFrCW+n18 u5/CbN/u0PnvTmUZqaaOnDZelKOMiL4snXvUbf1RiKmuhhFvfnGaJu2h48DrkB4ivmRb rYePZSlLBGn0jt7Xp8hRYCw4igd1jgE9zB5dXzu8APxgZpI/+fc5nAJIJvKMZfbbNNJb zjVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681961268; x=1684553268; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=+tV8crDjofyv0750I49wkl0WcXsLL7eDJ+4zb9fuL8U=; b=bt1LlbjJHVVSZRxqmZXpzPN+otOeo2UkVl7Pbl/f+0X4vPeXv52it5PdfBKxxIkOSf jFg78RWjm2KCzFSJxEXwsps99cQrLnoocccbP6T8383oymxneBOLp8j83bPj8wkt/ab0 bhY7IGhJssEwFNlMbY020M0hK0xCsTi9EGxCiHfx8zRTsaLLCFBSuBN/mFnpnZtCm/Zy YebJI+95f6lNyA/BA7hdfqJ3bx8bKmcsOT+1dbcqvZfNDavPcig099lfz6PJnQlkVULd Leg33NblHBeQP37PgvA9DF0I2sPhueo7DfJe9Z5vzPoCDSb8ptaaNkMxfuzw39m63/ZB aRJw== X-Gm-Message-State: AAQBX9cjQVicC3g3lGqz+D5u5YfdfzWmyVId6tPwu7EQ/733uGg0lNC2 9zuG/FHSrGRU+ZP3lcsv7i7sdg== X-Google-Smtp-Source: AKy350b11RA/ThCptub+7HGqXeK5nxFLIG8g9zQvW6pVmBjrPR/BPpPduPKtIrxkCPLdy4PmJp7wMQ== X-Received: by 2002:a17:90a:5890:b0:246:8497:37c5 with SMTP id j16-20020a17090a589000b00246849737c5mr123367pji.46.1681961268202; Wed, 19 Apr 2023 20:27:48 -0700 (PDT) Received: from C02F52LSML85.bytedance.net ([139.177.225.254]) by smtp.gmail.com with ESMTPSA id z15-20020a655a4f000000b00517abaac366sm115231pgs.74.2023.04.19.20.27.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Apr 2023 20:27:47 -0700 (PDT) From: Feng zhou To: martin.lau@linux.dev, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, song@kernel.org, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, mykolal@fb.com, shuah@kernel.org Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, yangzhenze@bytedance.com, wangdongdong.6@bytedance.com, zhouchengming@bytedance.com, zhoufeng.zf@bytedance.com Subject: [PATCH bpf-next v2 0/2] Access variable length array relaxed for integer type Date: Thu, 20 Apr 2023 11:27:33 +0800 Message-Id: <20230420032735.27760-1-zhoufeng.zf@bytedance.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org From: Feng Zhou Add support for integer type of accessing variable length array. Add a selftest to check it. Feng Zhou (2): bpf: support access variable length array of integer type selftests/bpf: Add test to access integer type of variable array Changelog: v1->v2: Addressed comments from Alexei Starovoitov - Add one more use case. Details in here: https://lore.kernel.org/bpf/20230417080749.39074-1-zhoufeng.zf@bytedance.com/ kernel/bpf/btf.c | 8 +++++--- .../selftests/bpf/bpf_testmod/bpf_testmod.c | 20 +++++++++++++++++++ .../bpf/prog_tests/access_variable_array.c | 16 +++++++++++++++ .../selftests/bpf/prog_tests/tracing_struct.c | 2 ++ .../bpf/progs/test_access_variable_array.c | 19 ++++++++++++++++++ .../selftests/bpf/progs/tracing_struct.c | 13 ++++++++++++ 6 files changed, 75 insertions(+), 3 deletions(-) create mode 100644 tools/testing/selftests/bpf/prog_tests/access_variable_array.c create mode 100644 tools/testing/selftests/bpf/progs/test_access_variable_array.c -- 2.20.1