From patchwork Sat Apr 24 21:45:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pedro Tammela X-Patchwork-Id: 427334 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD745C43470 for ; Sat, 24 Apr 2021 21:45:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B6EBC61260 for ; Sat, 24 Apr 2021 21:45:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234013AbhDXVqX (ORCPT ); Sat, 24 Apr 2021 17:46:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233568AbhDXVqW (ORCPT ); Sat, 24 Apr 2021 17:46:22 -0400 Received: from mail-qk1-x72f.google.com (mail-qk1-x72f.google.com [IPv6:2607:f8b0:4864:20::72f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3533DC061574; Sat, 24 Apr 2021 14:45:44 -0700 (PDT) Received: by mail-qk1-x72f.google.com with SMTP id s5so44320135qkj.5; Sat, 24 Apr 2021 14:45:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3DUapBlFjGRDJpFp34wiWQN/kbUJN43b6f1p6IDIwe8=; b=ubMyMsSw/bkk5fpe7fBQkfcY28dNdEb4jW8dkath1uZutJ6pDYfr0lB5U7QzocwNxb h+Rtff+hPWJCEvPLvvh3B3RTPPWGDdmLTE1e+PvzZPqKRcONigMIRNMaVFcwSlD7+Jeb 1tpSYvmBcpjOGBnk/gWl/rGgqRKIo+TWSzXjli54gg3bndlXI9qSZDxs1ABfTi/v5W0c V8h+axkWjEZSNJPN6Pm+zOxbsiOEHS2cX7rerH6QsI+XyLzrwjESCtEVmixmZi2bDTet e2di4Vdqjt/6Urwr2Td4vbW13j2gwt6gcoqxg8G9GWJeDHivwwoVG7D3+S3ODjqENLNj 06fg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3DUapBlFjGRDJpFp34wiWQN/kbUJN43b6f1p6IDIwe8=; b=jBiuHEAkBCnsLa/02Vf6cMV1VTjd0MVFeXMjODmrroxDyGCC3vtGuUGIOckdMSG1rc YOVXUQqvExiztxgae3Wmmf3nICwDBB4hf/2e7JPGI5FsoF95P43FpETi6mNw9L1bCh0R cJAhC4frpzurt8nP7c5ItNQWUexNMdbQOmrhVSRSnplhZ79wfS5U76dUHiUMZB/60IWw gfdBV0elTX8GWF/MNSyaOBvpTqqUiBNjDA3IAcyZYAQxYnBObU07kumB11wNaCQDhnwz yZ2L27Kcw1gturyrtDQl8mWpxzdhTcI/x6OM+EBblSvu2RStmEkcgX5HRztXTrVy6e+8 Ywlg== X-Gm-Message-State: AOAM530SQp4/r5WmlTwlVbH1FrpjJ/fueTBCOscV3ybrdr4r0I0Jne7e hQ5FAMq6m3PUftFtE/xWzYbH27O91/bOmuRd X-Google-Smtp-Source: ABdhPJzqv2aTXXTpbqg9wlihBV8OWdKMJT+C379bHSgFzGX0fbH9zx+EGqtgm2w+PfQojzBGMzCwgg== X-Received: by 2002:a37:ef0d:: with SMTP id j13mr10613087qkk.2.1619300743513; Sat, 24 Apr 2021 14:45:43 -0700 (PDT) Received: from localhost.localdomain ([179.218.4.27]) by smtp.gmail.com with ESMTPSA id b17sm6638904qto.88.2021.04.24.14.45.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Apr 2021 14:45:41 -0700 (PDT) From: Pedro Tammela X-Google-Original-From: Pedro Tammela To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Shuah Khan , Pedro Tammela , David Verbeiren , Matthieu Baerts , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Cc: Jamal Hadi Salim Subject: [PATCH bpf-next v5 1/2] bpf: add batched ops support for percpu array Date: Sat, 24 Apr 2021 18:45:09 -0300 Message-Id: <20210424214510.806627-2-pctammela@mojatatu.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210424214510.806627-1-pctammela@mojatatu.com> References: <20210424214510.806627-1-pctammela@mojatatu.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Uses the already in-place infrastructure provided by the 'generic_map_*_batch' functions. No tweak was needed as it transparently handles the percpu variant. As arrays don't have delete operations, let it return a error to user space (default behaviour). Suggested-by: Jamal Hadi Salim Signed-off-by: Pedro Tammela --- kernel/bpf/arraymap.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index 463d25e1e67e..3c4105603f9d 100644 --- a/kernel/bpf/arraymap.c +++ b/kernel/bpf/arraymap.c @@ -698,6 +698,8 @@ const struct bpf_map_ops percpu_array_map_ops = { .map_delete_elem = array_map_delete_elem, .map_seq_show_elem = percpu_array_map_seq_show_elem, .map_check_btf = array_map_check_btf, + .map_lookup_batch = generic_map_lookup_batch, + .map_update_batch = generic_map_update_batch, .map_set_for_each_callback_args = map_set_for_each_callback_args, .map_for_each_callback = bpf_for_each_array_elem, .map_btf_name = "bpf_array",