From patchwork Thu Jan 17 16:15:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Liu X-Patchwork-Id: 1026784 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=fb.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=fb.com header.i=@fb.com header.b="EpeXNfXT"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43gThJ3d2Mz9sD4 for ; Fri, 18 Jan 2019 03:15:44 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728885AbfAQQPn (ORCPT ); Thu, 17 Jan 2019 11:15:43 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:53754 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728934AbfAQQPn (ORCPT ); Thu, 17 Jan 2019 11:15:43 -0500 Received: from pps.filterd (m0109333.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x0HGDOCL007147 for ; Thu, 17 Jan 2019 08:15:42 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=facebook; bh=4v/KqKeT46Pz0MVEUR4TqpvI+Ch7P93yK90vz8MQ1iU=; b=EpeXNfXTwvAmjewyztV30zHid4X+4iKivGY5EEzrkmeIFzwL4DG/BQBhvM64HoFyqJ8q l6KVDD8fcqJuOBdZQtItGfbY4/X/uAmDtiijk/yLq+Faz2o51M33OIIUnKHxHWGLGl2z P2Gq0yMyJ1KPjbCe1Ox2YaxBrULNEWT6h9M= Received: from mail.thefacebook.com ([199.201.64.23]) by mx0a-00082601.pphosted.com with ESMTP id 2q2vnqg37f-10 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Thu, 17 Jan 2019 08:15:42 -0800 Received: from mx-out.facebook.com (2620:10d:c081:10::13) by mail.thefacebook.com (2620:10d:c081:35::126) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA) id 15.1.1531.3; Thu, 17 Jan 2019 08:15:36 -0800 Received: by devbig006.ftw2.facebook.com (Postfix, from userid 4523) id 21EB662E19BA; Thu, 17 Jan 2019 08:15:30 -0800 (PST) Smtp-Origin-Hostprefix: devbig From: Song Liu Smtp-Origin-Hostname: devbig006.ftw2.facebook.com To: , CC: Song Liu , , , , , Smtp-Origin-Cluster: ftw2c04 Subject: [PATCH v11 perf, bpf-next 9/9] bpf: add module name [bpf] to ksymbols for bpf programs Date: Thu, 17 Jan 2019 08:15:21 -0800 Message-ID: <20190117161521.1341602-10-songliubraving@fb.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190117161521.1341602-1-songliubraving@fb.com> References: <20190117161521.1341602-1-songliubraving@fb.com> X-FB-Internal: Safe MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-01-17_05:, , signatures=0 X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org With this patch, /proc/kallsyms will show BPF programs as t bpf_prog__ [bpf] Acked-by: Peter Zijlstra (Intel) Signed-off-by: Song Liu --- kernel/kallsyms.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index f3a04994e063..14934afa9e68 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -494,7 +494,7 @@ static int get_ksymbol_ftrace_mod(struct kallsym_iter *iter) static int get_ksymbol_bpf(struct kallsym_iter *iter) { - iter->module_name[0] = '\0'; + strlcpy(iter->module_name, "bpf", MODULE_NAME_LEN); iter->exported = 0; return bpf_get_kallsym(iter->pos - iter->pos_ftrace_mod_end, &iter->value, &iter->type,