From patchwork Thu Jul 29 16:20:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Monnet X-Patchwork-Id: 12409137 X-Patchwork-Delegate: bpf@iogearbox.net 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=-19.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,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 5B867C4320A for ; Thu, 29 Jul 2021 16:20:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44EE860F5E for ; Thu, 29 Jul 2021 16:20:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229970AbhG2QUs (ORCPT ); Thu, 29 Jul 2021 12:20:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60834 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231416AbhG2QUo (ORCPT ); Thu, 29 Jul 2021 12:20:44 -0400 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9B1B6C0613D3 for ; Thu, 29 Jul 2021 09:20:40 -0700 (PDT) Received: by mail-wm1-x32e.google.com with SMTP id m19so4105705wms.0 for ; Thu, 29 Jul 2021 09:20:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isovalent-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Nw65+paVQXUOMSFGAQ4tePwCAzumt7oYHuBlsDEPx6I=; b=b7BYnH9VuW+Uq8w0ARUy30TtoaOLYJ8WP2aAZOFjUuCQFY4NT0ENMI6yGpbB96RMcQ EJ8lLUI10U8ZmEmesfq5FkatOTMRBmAY6rUbeclAlkDYoYBF40HOtx4YuZfgzIn2jXRt FIvckvwFH/o+MQXkHItxv3YV0MLMoBrND12x4QuBlyuRaAewRnN7Jg91Ys1Kj9ScVSJy NzXbDp4og5FqjfuNO+2Sc+TmILa2Mge1Od69T9jIBA09aY3yHYWt9akXdahOlJ/Umyct KX5lln1zJM1KmF4dM0S1+YzTG6w5ola3mwn0zl+nfDvynFp2tUyo4EO0z2d4LU0WqGeb n76w== 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=Nw65+paVQXUOMSFGAQ4tePwCAzumt7oYHuBlsDEPx6I=; b=PHFzKMPzk9cvg0F3lUuQpFZ6B8ABDE1/rqIRj4BpMycoYEsbwrpNSUiOQ6/tWtQtE+ G+uL0o5UHzhhc5WgsZZef7xWUWTFRWbclAxVE/fbczxM5yhhfPOmlr4S6Nq8ifSQnVkg vTHcDjWFxRELEAIUI2HSFA3kfehS9GsGy561fGVWwao2Lm4w6fGhnUYvwyhSNg+PlR3+ VuwRT5RsIVhkdlqqql2sSD6gByh/yQrN3goPXF+glt7m+XHtA/pEEcwibbhEGAHPIhw2 k19D7B0ouZ8YWh/qGurew4Mb1EUkQn/0ob+1Oxq1dN5FlcaV/F2bHPvw/NWeXSBnZMJ8 qTIw== X-Gm-Message-State: AOAM531RAUd9KPdtYRggTfc38JeJFLMRHZ+TwiO44eehm13ghuPXuSRT 527oqcQzuvQiSm996H00E8N2YQ== X-Google-Smtp-Source: ABdhPJw2HZYYsn3cvXNLFg/nOYdOCnpuicrIQev50z7zPVPyq/3Z94MnIUTglBpfRHFib5FwySTtoA== X-Received: by 2002:a1c:7706:: with SMTP id t6mr5700289wmi.36.1627575639147; Thu, 29 Jul 2021 09:20:39 -0700 (PDT) Received: from localhost.localdomain ([149.86.66.250]) by smtp.gmail.com with ESMTPSA id c10sm3854853wmb.40.2021.07.29.09.20.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Jul 2021 09:20:38 -0700 (PDT) From: Quentin Monnet To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, Quentin Monnet , John Fastabend Subject: [PATCH bpf-next v3 2/8] libbpf: rename btf__load() as btf__load_into_kernel() Date: Thu, 29 Jul 2021 17:20:22 +0100 Message-Id: <20210729162028.29512-3-quentin@isovalent.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210729162028.29512-1-quentin@isovalent.com> References: <20210729162028.29512-1-quentin@isovalent.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net As part of the effort to move towards a v1.0 for libbpf, rename btf__load() function, used to "upload" BTF information into the kernel, as btf__load_into_kernel(). This new name better reflects what the function does. References: - https://github.com/libbpf/libbpf/issues/278 - https://github.com/libbpf/libbpf/wiki/Libbpf:-the-road-to-v1.0#btfh-apis Signed-off-by: Quentin Monnet Acked-by: John Fastabend --- tools/lib/bpf/btf.c | 3 ++- tools/lib/bpf/btf.h | 1 + tools/lib/bpf/libbpf.c | 2 +- tools/lib/bpf/libbpf.map | 1 + 4 files changed, 5 insertions(+), 2 deletions(-) diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c index b46760b93bb4..7e0de560490e 100644 --- a/tools/lib/bpf/btf.c +++ b/tools/lib/bpf/btf.c @@ -1180,7 +1180,7 @@ int btf__finalize_data(struct bpf_object *obj, struct btf *btf) static void *btf_get_raw_data(const struct btf *btf, __u32 *size, bool swap_endian); -int btf__load(struct btf *btf) +int btf__load_into_kernel(struct btf *btf) { __u32 log_buf_size = 0, raw_size; char *log_buf = NULL; @@ -1228,6 +1228,7 @@ int btf__load(struct btf *btf) free(log_buf); return libbpf_err(err); } +int btf__load(struct btf *) __attribute__((alias("btf__load_into_kernel"))); int btf__fd(const struct btf *btf) { diff --git a/tools/lib/bpf/btf.h b/tools/lib/bpf/btf.h index 374e9f15de2e..fd8a21d936ef 100644 --- a/tools/lib/bpf/btf.h +++ b/tools/lib/bpf/btf.h @@ -46,6 +46,7 @@ LIBBPF_API struct btf *btf__parse_raw_split(const char *path, struct btf *base_b LIBBPF_API int btf__finalize_data(struct bpf_object *obj, struct btf *btf); LIBBPF_API int btf__load(struct btf *btf); +LIBBPF_API int btf__load_into_kernel(struct btf *btf); LIBBPF_API __s32 btf__find_by_name(const struct btf *btf, const char *type_name); LIBBPF_API __s32 btf__find_by_name_kind(const struct btf *btf, diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 7b2b5d261a08..9a657d6d7da3 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -2769,7 +2769,7 @@ static int bpf_object__sanitize_and_load_btf(struct bpf_object *obj) */ btf__set_fd(kern_btf, 0); } else { - err = btf__load(kern_btf); + err = btf__load_into_kernel(kern_btf); } if (sanitize) { if (!err) { diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map index c240d488eb5e..4d80eb8c56b0 100644 --- a/tools/lib/bpf/libbpf.map +++ b/tools/lib/bpf/libbpf.map @@ -375,6 +375,7 @@ LIBBPF_0.5.0 { bpf_map_lookup_and_delete_elem_flags; bpf_program__attach_kprobe_opts; bpf_object__gen_loader; + btf__load_into_kernel; btf_dump__dump_type_data; libbpf_set_strict_mode; } LIBBPF_0.4.0;