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 X-Spam-Level: X-Spam-Status: No, score=-12.8 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 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 DC82DC433ED for ; Tue, 11 May 2021 23:02:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A406161624 for ; Tue, 11 May 2021 23:02:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229637AbhEKXDq (ORCPT ); Tue, 11 May 2021 19:03:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229996AbhEKXDq (ORCPT ); Tue, 11 May 2021 19:03:46 -0400 Received: from mail-yb1-xb2c.google.com (mail-yb1-xb2c.google.com [IPv6:2607:f8b0:4864:20::b2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE0F4C061574 for ; Tue, 11 May 2021 16:02:38 -0700 (PDT) Received: by mail-yb1-xb2c.google.com with SMTP id e190so28426284ybb.10 for ; Tue, 11 May 2021 16:02:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=nRJJvXZONAxXa3vxLWepTCjyWKXh1YzMxgTEyyRGq64=; b=pjIxkmiuKuR+bnOt583ZyMaiZ6wHsY64V87D/UwGqKwRflZirCngp1hJXqvNaEfQPn 54ryu0RJ1E+KYGray03C+1KbjquDitVKGFl8N5rmetxU7D3h4vHjbgJEp7UBj49Nxkin dmLhQDcUbx+pvsyu3T2QiSYx2C5pW4tJcwNV5GUhaQ5lfdVVYrZfhPt2VfVXuCvVsv1H uUxS49uG9cev4atTG3yzFPzxb0WKEmVzYWcAvd4uY6RaYPMevpB5bNqto9WdWxRGkXEm 1UlYFgblC1YkTWn3OJW1G7d2yPiJI5Jgo2aAEV+uO7pnHRGrBHGxgT/FFBJelfjUqLK5 HKDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=nRJJvXZONAxXa3vxLWepTCjyWKXh1YzMxgTEyyRGq64=; b=HWZPvUjIjbCL3bbDoRKywXNr1m4d61MkTf82eCKfhNNrZbZRI5GiUPiTSeF/NJtwiG 4O6nzlyuwTZBXzJ9JDkuZc9ZNgzPRjeJjW56jUxQdqO5xtgvyVe79EdNg7wPcwRbFwoK GxXBmP8LNx26zhHDueEQizw3qn5+w0Q4ksZSQJcpzxsHwa2cte3ewy7zVKBMNLp+kCIg KXo+j5GBNfYC8fd8NuVa9N0ZFTWRoW2BR/goyuROD+69sOWiN0FjSeJnsqcEe9U8bGLK RoY4Wh09ImEgvamOY65ZMbw5j01TB4a5SJNmn/DgizrRRF9v5peDMFJyuXyzgIXmVhAg 6row== X-Gm-Message-State: AOAM533qiW07QyNuXsCP8b5GpCZly5hUpJ1bZn/IYeP+FshlH5h1OFqh qtoEh0JwTP44RvDY+jNjAeCzg0qFq6Ts4BhGmhg= X-Google-Smtp-Source: ABdhPJxOwhgTClwENHh90OEUiZAJ3rQ3ZsrbuhO9uJG4yC61WJ8mU8bwvG12r10lewQA//9+4Qw3QSnfN9Gso+VUg2s= X-Received: by 2002:a25:9942:: with SMTP id n2mr45890923ybo.230.1620774158152; Tue, 11 May 2021 16:02:38 -0700 (PDT) MIME-Version: 1.0 References: <20210508034837.64585-1-alexei.starovoitov@gmail.com> <20210508034837.64585-11-alexei.starovoitov@gmail.com> In-Reply-To: <20210508034837.64585-11-alexei.starovoitov@gmail.com> From: Andrii Nakryiko Date: Tue, 11 May 2021 16:02:27 -0700 Message-ID: Subject: Re: [PATCH v4 bpf-next 10/22] bpf: Add bpf_btf_find_by_name_kind() helper. To: Alexei Starovoitov Cc: "David S. Miller" , Daniel Borkmann , Andrii Nakryiko , john fastabend , bpf , Kernel Team Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Fri, May 7, 2021 at 8:49 PM Alexei Starovoitov wrote: > > From: Alexei Starovoitov > > Add new helper: > long bpf_btf_find_by_name_kind(char *name, int name_sz, u32 kind, int flags) > Description > Find BTF type with given name and kind in vmlinux BTF or in module's BTFs. > Return > Returns btf_id and btf_obj_fd in lower and upper 32 bits. > > It will be used by loader program to find btf_id to attach the program to > and to find btf_ids of ksyms. > > Signed-off-by: Alexei Starovoitov > --- LGTM. Acked-by: Andrii Nakryiko > include/linux/bpf.h | 1 + > include/uapi/linux/bpf.h | 7 ++++ > kernel/bpf/btf.c | 62 ++++++++++++++++++++++++++++++++++ > kernel/bpf/syscall.c | 2 ++ > tools/include/uapi/linux/bpf.h | 7 ++++ > 5 files changed, 79 insertions(+) > [...]