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=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 21808CA9EA0 for ; Fri, 25 Oct 2019 22:09:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DFD4221D7B for ; Fri, 25 Oct 2019 22:09:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kTL5Zx32" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726063AbfJYWJO (ORCPT ); Fri, 25 Oct 2019 18:09:14 -0400 Received: from mail-qk1-f195.google.com ([209.85.222.195]:43005 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725801AbfJYWJO (ORCPT ); Fri, 25 Oct 2019 18:09:14 -0400 Received: by mail-qk1-f195.google.com with SMTP id m4so3176079qke.9; Fri, 25 Oct 2019 15:09:13 -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=8D2tsScit83wgK6jRPO+7PNaaB16wGVt+waNHUv1tO8=; b=kTL5Zx322wHMPzPTupd6uxs6Zg3jxm7ZD/pbiT5eIMSQKc7oibzVEAwzNTypdnsKj7 FhT4E6AltVjHlpx/uoTamflTW23gm7PLKPg3mODD3o646rkvsabYgLGkm1PJ6E496HdR 9m4cv5cuK1UpKuD2A9teO4SAYQFcoagorip9+31fec542ae+70BlED7gKXW2RvGql0uk T4da4Ll3CoJ+TSxXZalv8C3RrwUtTcyIcrZzK2DWnbVRIjrL5oTUzdZ/JG6Nol5nuDxb DjTRfT7nmtgG0t5+mSgavLBbjQP143TLsCxt49L+0nQrXAGPg0vn+9hL5FTP6onevPws 3vKw== 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=8D2tsScit83wgK6jRPO+7PNaaB16wGVt+waNHUv1tO8=; b=jukS21ODHqJMhngKFtGmipWw3oao4U3a5JIMMpgMD++0G14OJurguXi+82uVWWDWco 8bR23BoTzSXjfIudaupZZnGCjZydCaWO0k9Vam7VG9tBG96xtnenZPaagZnZCe81dav8 t2rDBZokTS8wf9OnZD+pszywIp1eLtHn9RpjWe6ECOoUJQAh+lm0Dm8aer+PUdgiMBOL fK2lgdasRw2NEpm5eTPClGkVhJkLDeeB48bqPFXknur3JJzGLSe9vQvX8ozflVLnU17n U38vNlq2aG7WsKkJ5BjWkhc6xkdOmY+2TUdTJAaHtP/Sv2zqku6g5NqH+hxH3NAm+D/1 8gPw== X-Gm-Message-State: APjAAAXJDJbX4YrBgdwlqfQBLMbOjGeE6N81QlOVZUo2sI1F4A5sVcAA I2+KCEoE+zZhijbGbgCgp7HqAPKuTfByeox0S1U= X-Google-Smtp-Source: APXvYqxhGCMvDo162Jf0DrZeyEdICwH0k6NLpjBnIhpi/56GOcRCKOwVhpCAwqmdZNj6wfrMk4+EeYRe34csxxU0HQM= X-Received: by 2002:a37:8046:: with SMTP id b67mr5229158qkd.437.1572041352975; Fri, 25 Oct 2019 15:09:12 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Andrii Nakryiko Date: Fri, 25 Oct 2019 15:08:59 -0700 Message-ID: Subject: Re: [PATCH bpf-next 4/5] bpf, samples: Use bpf_probe_read_user where appropriate To: Daniel Borkmann Cc: Alexei Starovoitov , bpf , Networking Content-Type: text/plain; charset="UTF-8" Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Fri, Oct 25, 2019 at 1:46 PM Daniel Borkmann wrote: > > Use bpf_probe_read_user() helper instead of bpf_probe_read() for samples that > attach to kprobes probing on user addresses. > > Signed-off-by: Daniel Borkmann > --- Acked-by: Andrii Nakryiko > samples/bpf/map_perf_test_kern.c | 4 ++-- > samples/bpf/test_map_in_map_kern.c | 4 ++-- > samples/bpf/test_probe_write_user_kern.c | 2 +- > 3 files changed, 5 insertions(+), 5 deletions(-) > [...]