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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 06D98C606D4 for ; Tue, 9 Jul 2019 04:00:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D2E91216C4 for ; Tue, 9 Jul 2019 04:00:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="cvWKv2mY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725947AbfGIEAQ (ORCPT ); Tue, 9 Jul 2019 00:00:16 -0400 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:2246 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725856AbfGIEAP (ORCPT ); Tue, 9 Jul 2019 00:00:15 -0400 Received: from pps.filterd (m0044010.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x693tfdG032539 for ; Mon, 8 Jul 2019 21:00:15 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : mime-version : content-type : content-transfer-encoding; s=facebook; bh=VAGd0gf1ncmepyOLs6mYxhFEODiYCDILer/9l6YHMHA=; b=cvWKv2mY11KzGVTkr7qwEixT2SuyhAsI7HvBa6fLYXX/VjwcYZMLBfPW1WjRot5yslZA z4Cqi7gCPmKj2shs6f8OBvQYOa1VVRCfdtiogj/Oyob6lbJGGGwSa4Anu0HinLThpXCl 7keCzLXsuRGAwYJTuSTWuOh28eaxYWJv+sk= Received: from mail.thefacebook.com (mailout.thefacebook.com [199.201.64.23]) by mx0a-00082601.pphosted.com with ESMTP id 2tmebu0ue6-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Mon, 08 Jul 2019 21:00:14 -0700 Received: from mx-out.facebook.com (2620:10d:c081:10::13) by mail.thefacebook.com (2620:10d:c081:35::128) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA) id 15.1.1713.5; Mon, 8 Jul 2019 21:00:11 -0700 Received: by dev101.prn2.facebook.com (Postfix, from userid 137359) id 6E86A8615B1; Mon, 8 Jul 2019 21:00:11 -0700 (PDT) Smtp-Origin-Hostprefix: dev From: Andrii Nakryiko Smtp-Origin-Hostname: dev101.prn2.facebook.com To: , , , , , CC: Andrii Nakryiko Smtp-Origin-Cluster: prn2c23 Subject: [PATCH bpf-next] libbpf: fix ptr to u64 conversion warning on 32-bit platforms Date: Mon, 8 Jul 2019 21:00:07 -0700 Message-ID: <20190709040007.1665882-1-andriin@fb.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-07-09_02:,, signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907090045 X-FB-Internal: deliver Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 32-bit platforms compiler complains about conversion: libbpf.c: In function =E2=80=98perf_event_open_probe=E2=80=99: libbpf.c:4112:17: error: cast from pointer to integer of different size [-Werror=3Dpointer-to-int-cast] attr.config1 =3D (uint64_t)(void *)name; /* kprobe_func or uprobe_path = */ ^ Reported-by: Matt Hart Fixes: b26500274767 ("libbpf: add kprobe/uprobe attach API") Tested-by: Matt Hart Signed-off-by: Andrii Nakryiko --- tools/lib/bpf/libbpf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index ed07789b3e62..794dd5064ae8 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -4126,8 +4126,8 @@ static int perf_event_open_probe(bool uprobe, bool = retprobe, const char *name, } attr.size =3D sizeof(attr); attr.type =3D type; - attr.config1 =3D (uint64_t)(void *)name; /* kprobe_func or uprobe_path = */ - attr.config2 =3D offset; /* kprobe_addr or probe_offset */ + attr.config1 =3D ptr_to_u64(name); /* kprobe_func or uprobe_path */ + attr.config2 =3D offset; /* kprobe_addr or probe_offset */ =20 /* pid filter is meaningful only for uprobes */ pfd =3D syscall(__NR_perf_event_open, &attr, --=20 2.17.1