From patchwork Fri Feb 11 17:56:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yonghong Song X-Patchwork-Id: 12743698 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 A1E6AC433F5 for ; Fri, 11 Feb 2022 17:57:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229497AbiBKR5K (ORCPT ); Fri, 11 Feb 2022 12:57:10 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:46148 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234778AbiBKR5K (ORCPT ); Fri, 11 Feb 2022 12:57:10 -0500 Received: from mx0b-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29FE2CF5 for ; Fri, 11 Feb 2022 09:57:09 -0800 (PST) Received: from pps.filterd (m0109331.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 21BF1Vf2018278 for ; Fri, 11 Feb 2022 09:57:08 -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=FDwIX/aUas3HtPUH6At/buj79ipvQLwxkOgQOFt/A+A=; b=ZN++e1qF/5LvedMl7vh6YtP+EAxLmWRCbgLrlKUcZALyCAFZzozWdFAgyWp9b54HfuTq FUbLf1OIbUiLDgsEZvugQXQ/Das90ciF0q9KqaMZBO59UYnW+NUMNkBICeanli3jJV/h 7/ufnY5Qr5pMA0zPiuo2yezqkr8+Y+33DTw= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3e592upx7f-7 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 11 Feb 2022 09:57:08 -0800 Received: from twshared29821.14.frc2.facebook.com (2620:10d:c085:208::f) by mail.thefacebook.com (2620:10d:c085:21d::6) 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 09:57:03 -0800 Received: by devbig309.ftw3.facebook.com (Postfix, from userid 128203) id B6EEE642163E; Fri, 11 Feb 2022 09:56:55 -0800 (PST) From: Yonghong Song To: CC: Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , , Kumar Kartikeya Dwivedi Subject: [PATCH bpf v3 0/2] bpf: fix a bpf_timer initialization issue Date: Fri, 11 Feb 2022 09:56:55 -0800 Message-ID: <20220211175655.2426903-1-yhs@fb.com> X-Mailer: git-send-email 2.30.2 X-FB-Internal: Safe X-Proofpoint-GUID: b_XDvz39SqOs9WplnYosgI3xjY730bgZ X-Proofpoint-ORIG-GUID: b_XDvz39SqOs9WplnYosgI3xjY730bgZ 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 malwarescore=0 suspectscore=0 bulkscore=0 mlxlogscore=449 clxscore=1015 priorityscore=1501 lowpriorityscore=0 spamscore=0 impostorscore=0 phishscore=0 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202110096 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: v2 -> v3: . switch patch #1 and patch #2 for better bisecting v1 -> v2: . add Fixes tag for patch #1 . rebase against bpf tree Yonghong Song (2): bpf: emit bpf_timer in vmlinux BTF bpf: fix a bpf_timer initialization issue include/linux/bpf.h | 6 ++---- kernel/bpf/helpers.c | 2 ++ 2 files changed, 4 insertions(+), 4 deletions(-)