From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from EUR02-HE1-obe.outbound.protection.outlook.com (mail-eopbgr10054.outbound.protection.outlook.com [40.107.1.54]) by sourceware.org (Postfix) with ESMTPS id 97AB3385DC0C for ; Mon, 4 May 2020 11:27:11 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 97AB3385DC0C Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=Szabolcs.Nagy@arm.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=b4VWQLvfu2QkHrFeWdrlftqF6P1/ZH82N1syhjo/65c=; b=PtyXfKOHJV1Qk6AYeMi/MIap6UwujpF5M7c5E2+h5XMjTDdEpMVtTIC33GbZm9p6LiFZUviwbWZ6yuQbmV6bpgN3yC0oCtXNDgmJOYS8qZn2Srgli/K6fjGmgGuwrwhe8zKtSVxSwnxvoLAa3UpiOFdmup4EVOULONhRKd/Zcq0= Received: from DB8P191CA0018.EURP191.PROD.OUTLOOK.COM (2603:10a6:10:130::28) by DB7PR08MB3513.eurprd08.prod.outlook.com (2603:10a6:10:4a::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.20; Mon, 4 May 2020 11:27:09 +0000 Received: from DB5EUR03FT049.eop-EUR03.prod.protection.outlook.com (2603:10a6:10:130:cafe::9) by DB8P191CA0018.outlook.office365.com (2603:10a6:10:130::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.20 via Frontend Transport; Mon, 4 May 2020 11:27:09 +0000 Authentication-Results: spf=pass (sender IP is 63.35.35.123) smtp.mailfrom=arm.com; sourceware.org; dkim=pass (signature was verified) header.d=armh.onmicrosoft.com; sourceware.org; dmarc=bestguesspass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 63.35.35.123 as permitted sender) receiver=protection.outlook.com; client-ip=63.35.35.123; helo=64aa7808-outbound-1.mta.getcheckrecipient.com; Received: from 64aa7808-outbound-1.mta.getcheckrecipient.com (63.35.35.123) by DB5EUR03FT049.mail.protection.outlook.com (10.152.20.191) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.20 via Frontend Transport; Mon, 4 May 2020 11:27:09 +0000 Received: ("Tessian outbound 5abcb386707e:v54"); Mon, 04 May 2020 11:27:09 +0000 X-CheckRecipientChecked: true X-CR-MTA-CID: 47f035ef856166f5 X-CR-MTA-TID: 64aa7808 Received: from 13b08db643b4.2 by 64aa7808-outbound-1.mta.getcheckrecipient.com id 1B8EDBAF-7AFC-41D9-84FC-4D2B049BCEAF.1; Mon, 04 May 2020 11:27:04 +0000 Received: from EUR01-VE1-obe.outbound.protection.outlook.com by 64aa7808-outbound-1.mta.getcheckrecipient.com with ESMTPS id 13b08db643b4.2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384); Mon, 04 May 2020 11:27:04 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=mff7nb3a8YxPx7zJkgFBFpnmgVbP66I50e/q3wYWweOyjUL+GkEAWp8TKKyXAMrRoqGO3VUuzzGupHQNoJineLUMQY6vqFnWOfDbM/0nq6KBnLx34LaNdZ6UNwE6nnSLpp8lCM2bTTeC6je+z/3ibpS53JBLYghOehKD/K09ymANUW9dHe0R8cEGIAurkzcX3NKb5ifwm4HYdt5knR7IG47NRwiow7cxl4rDbJa+aVeTrT/wHxCMeUSqPsa0tfQJxZvESeEEjXhO/cKvviYhmlxgdDgWWwoHoHblfyJT2poICKjEvVhFdAaKujPWHs06+vziuOF5pWhjE2quQx0TUw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=b4VWQLvfu2QkHrFeWdrlftqF6P1/ZH82N1syhjo/65c=; b=lDbLo3a6sz8fsr/6ruFbJOTy8zdXHUlPmSiDA8jf8KjBmQdJ1oiS1XXiSwguxYWoKR9KwB6aivGwD4CYRvVIHCeUYn9FHXwJU3dTIvc38CNxu982Sa6l+57wraNXZMrvso9aGyStvovsOrubEByl20QyDUNVWl3cBOUhxf11JR1QtJIRPKhNqHY3bkS8Q7dxP1QHfae9dU/usAUYF2gG9XLykzDl7TKOMYSFp2tR1yO40oedysRbJHPRHIggFQaXgoXKNDN7CEl3ZJVfhHQpiRJnCmNdVMqvUWfA2I9ikiqk2Ckzx2KGys+6MBvbQDvjo7bD3Mo/bC5vrMMMSG80Dw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass header.d=arm.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=b4VWQLvfu2QkHrFeWdrlftqF6P1/ZH82N1syhjo/65c=; b=PtyXfKOHJV1Qk6AYeMi/MIap6UwujpF5M7c5E2+h5XMjTDdEpMVtTIC33GbZm9p6LiFZUviwbWZ6yuQbmV6bpgN3yC0oCtXNDgmJOYS8qZn2Srgli/K6fjGmgGuwrwhe8zKtSVxSwnxvoLAa3UpiOFdmup4EVOULONhRKd/Zcq0= Authentication-Results-Original: sourceware.org; dkim=none (message not signed) header.d=none;sourceware.org; dmarc=none action=none header.from=arm.com; Received: from AM6PR08MB3047.eurprd08.prod.outlook.com (2603:10a6:209:4c::23) by AM6PR08MB4706.eurprd08.prod.outlook.com (2603:10a6:20b:c4::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.27; Mon, 4 May 2020 11:27:03 +0000 Received: from AM6PR08MB3047.eurprd08.prod.outlook.com ([fe80::49fd:6ded:4da7:8862]) by AM6PR08MB3047.eurprd08.prod.outlook.com ([fe80::49fd:6ded:4da7:8862%7]) with mapi id 15.20.2958.030; Mon, 4 May 2020 11:27:03 +0000 Date: Mon, 4 May 2020 12:27:01 +0100 From: Szabolcs Nagy To: libc-alpha@sourceware.org Cc: Sudakshina Das Subject: Re: [PATCH 00/12] aarch64: branch protection support Message-ID: <20200504112700.GB23080@arm.com> References: <20200430173458.GV29015@arm.com> Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200430173458.GV29015@arm.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-ClientProxiedBy: LO2P265CA0189.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:a::33) To AM6PR08MB3047.eurprd08.prod.outlook.com (2603:10a6:209:4c::23) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from arm.com (217.140.106.55) by LO2P265CA0189.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:a::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.29 via Frontend Transport; Mon, 4 May 2020 11:27:02 +0000 X-Originating-IP: [217.140.106.55] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: e0f3f221-4c0d-4503-563b-08d7f01e158c X-MS-TrafficTypeDiagnostic: AM6PR08MB4706:|AM6PR08MB4706:|DB7PR08MB3513: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true NoDisclaimer: true X-MS-Oob-TLC-OOBClassifiers: OLM:5797;OLM:5797; X-Forefront-PRVS: 03932714EB X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM6PR08MB3047.eurprd08.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(396003)(346002)(376002)(39860400002)(366004)(136003)(2906002)(52116002)(7696005)(36756003)(186003)(1076003)(478600001)(26005)(86362001)(16526019)(66946007)(5660300002)(4744005)(966005)(8886007)(4326008)(66476007)(66556008)(55016002)(6916009)(316002)(33656002)(2616005)(8676002)(956004)(44832011)(8936002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR08MB4706 Original-Authentication-Results: sourceware.org; dkim=none (message not signed) header.d=none; sourceware.org; dmarc=none action=none header.from=arm.com; X-EOPAttributedMessage: 0 X-MS-Exchange-Transport-CrossTenantHeadersStripped: DB5EUR03FT049.eop-EUR03.prod.protection.outlook.com X-Forefront-Antispam-Report: CIP:63.35.35.123; CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFTY:; SFS:(4636009)(376002)(39860400002)(136003)(396003)(346002)(46966005)(44832011)(356005)(36756003)(82310400002)(8886007)(966005)(8676002)(33656002)(2616005)(956004)(1076003)(2906002)(81166007)(70206006)(70586007)(7696005)(16526019)(186003)(6916009)(4326008)(55016002)(26005)(336012)(82740400003)(47076004)(5660300002)(316002)(86362001)(4744005)(8936002)(478600001); DIR:OUT; SFP:1101; X-MS-Office365-Filtering-Correlation-Id-Prvs: ce93b921-e8f9-4277-4638-08d7f01e1178 X-Forefront-PRVS: 03932714EB X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 May 2020 11:27:09.7348 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e0f3f221-4c0d-4503-563b-08d7f01e158c X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR08MB3513 X-Spam-Status: No, score=-16.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, MSGID_FROM_MTA_HEADER, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_PASS, TXREP, UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 May 2020 11:27:22 -0000 The 04/30/2020 18:34, Szabolcs Nagy wrote: > FAIL: misc/tst-atomic on a closer look this seems to be a glibc test bug: 529 mem = 14; 530 expected = 14; 531 if (!atomic_compare_exchange_weak_relaxed (&mem, &expected, 25) 532 || mem != 25 || expected != 14) 533 { 534 puts ("atomic_compare_exchange_weak_relaxed test 1 failed"); 535 ret = 1; 536 } compare exchange may fail intermittently e.g. because of scheduling events, so the caller should retry. i opened https://sourceware.org/bugzilla/show_bug.cgi?id=25919 > FAIL: nptl/tst-cancel7 > FAIL: nptl/tst-cancelx7 > not reproducible issues