From patchwork Wed Jan 16 16:29:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Liu X-Patchwork-Id: 1026019 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="dZbUmsP7"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43ft3z3SgJz9sDB for ; Thu, 17 Jan 2019 03:30:39 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405415AbfAPQa2 (ORCPT ); Wed, 16 Jan 2019 11:30:28 -0500 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:49466 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730712AbfAPQ37 (ORCPT ); Wed, 16 Jan 2019 11:29:59 -0500 Received: from pps.filterd (m0148460.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x0GGTkxV001107 for ; Wed, 16 Jan 2019 08:29:57 -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=4wXp/c/Qq3o/hgNoqZmm2HN5rTcKkiYixDqf13d4Ti4=; b=dZbUmsP7olQfhnewvE3tm9x3D4qltLfHk0DuJWipVG7fcZrxn6U6xouveBx5OaVCOJ1x 4DPSt6f/Cd//hiC2p56NGoWcsVSs2sECCnpMPpxl6IDlI37MeD4on+7+eLWXeqDaXpCV IAqtwuf7MsIs/WJf8tFAnqJiLV4nZ6PEswE= Received: from mail.thefacebook.com ([199.201.64.23]) by mx0a-00082601.pphosted.com with ESMTP id 2q23r60v3g-16 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Wed, 16 Jan 2019 08:29:57 -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; Wed, 16 Jan 2019 08:29:50 -0800 Received: by devbig006.ftw2.facebook.com (Postfix, from userid 4523) id 58F4862E1D0D; Wed, 16 Jan 2019 08:29:50 -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 v10 perf, bpf-next 9/9] bpf: add module name [bpf] to ksymbols for bpf programs Date: Wed, 16 Jan 2019 08:29:31 -0800 Message-ID: <20190116162931.1542429-10-songliubraving@fb.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190116162931.1542429-1-songliubraving@fb.com> References: <20190116162931.1542429-1-songliubraving@fb.com> X-FB-Internal: Safe MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-01-16_06:, , 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] Signed-off-by: Song Liu Acked-by: Peter Zijlstra (Intel) --- 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,