From patchwork Fri Feb 11 15:20:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yonghong Song X-Patchwork-Id: 12743579 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A15DFC433EF for ; Fri, 11 Feb 2022 15:21:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243420AbiBKPVC (ORCPT ); Fri, 11 Feb 2022 10:21:02 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:44358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349128AbiBKPVB (ORCPT ); Fri, 11 Feb 2022 10:21:01 -0500 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FDABCE1 for ; Fri, 11 Feb 2022 07:21:00 -0800 (PST) Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.16.1.2/8.16.1.2) with ESMTP id 21BEf49U028438 for ; Fri, 11 Feb 2022 07:20:59 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : content-type : content-transfer-encoding : mime-version; s=facebook; bh=J0x3nGFEQi5YbuaFVX/hXBulSHBaXCqQGqJcFufljIE=; b=mzrwunzyEDuQBbLee328J8Y/gSFPzJuNQZnI7nGBCyjbwh0shJjHJsLS0hgvrBpwzlhe NgxXtaZJ2870VhC/UZnNiaH/4mjHAcpYV1DrwM35QM+R83o6tpIBCvwL+yzBgcZq8YuB jlFnVc2b4dT4xHfFl7OVGsGoiHoLZAurkyU= Received: from maileast.thefacebook.com ([163.114.130.16]) by m0089730.ppops.net (PPS) with ESMTPS id 3e5882xdbn-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 11 Feb 2022 07:20:59 -0800 Received: from twshared12416.02.ash9.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Fri, 11 Feb 2022 07:20:57 -0800 Received: by devbig309.ftw3.facebook.com (Postfix, from userid 128203) id 49EA8640F492; Fri, 11 Feb 2022 07:20:54 -0800 (PST) From: Yonghong Song To: CC: Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , , Kumar Kartikeya Dwivedi Subject: [PATCH bpf v2 0/2] bpf: fix a bpf_timer initialization issue Date: Fri, 11 Feb 2022 07:20:54 -0800 Message-ID: <20220211152054.1584283-1-yhs@fb.com> X-Mailer: git-send-email 2.30.2 X-FB-Internal: Safe X-Proofpoint-ORIG-GUID: ZcPiIxxyPd9qhvzW-dbcRkVkVrShAMsa X-Proofpoint-GUID: ZcPiIxxyPd9qhvzW-dbcRkVkVrShAMsa X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-02-11_05,2022-02-11_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=fb_outbound_notspam policy=fb_outbound score=0 bulkscore=0 mlxlogscore=391 priorityscore=1501 spamscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 suspectscore=0 malwarescore=0 adultscore=0 phishscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202110084 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net The patch [1] exposed a bpf_timer initialization bug in function check_and_init_map_value(). With bug fix here, the patch [1] can be applied with all selftests passed. Please see individual patches for fix details. [1] https://lore.kernel.org/bpf/20220209070324.1093182-2-memxor@gmail.com/ Changelog: v1 -> v2: . add Fixes tag for patch #1 . rebase against bpf tree Yonghong Song (2): bpf: fix a bpf_timer initialization issue bpf: emit bpf_timer in vmlinux BTF include/linux/bpf.h | 6 ++---- kernel/bpf/helpers.c | 2 ++ 2 files changed, 4 insertions(+), 4 deletions(-)