From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from EUR04-HE1-obe.outbound.protection.outlook.com (mail-he1eur04on2071.outbound.protection.outlook.com [40.107.7.71]) by sourceware.org (Postfix) with ESMTPS id 0D7913858D20 for ; Tue, 11 Apr 2023 06:05:06 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 0D7913858D20 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=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=M/ryhnv0V6M1+1PvdhNEKmvi9Rl5f2wGBHHguIwRmRY=; b=wIZRNl7cLRanIKWoeTBTF7Z1ofCZOgK/WPRDDMo+ouS2MddnrePO52zZ6JDJLIhqGziUb66t4nvJa1j3cUG9L0snqv4o24Gcfp5yVunn78cQXK98LKpnZVqB+GlLMQ9DhllnskKn0Jey5234/vblYPACBCcS7Ms//TpNUKEunWI= Received: from DUZPR01CA0217.eurprd01.prod.exchangelabs.com (2603:10a6:10:4b4::11) by AS4PR08MB8047.eurprd08.prod.outlook.com (2603:10a6:20b:587::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6277.35; Tue, 11 Apr 2023 06:04:58 +0000 Received: from DBAEUR03FT059.eop-EUR03.prod.protection.outlook.com (2603:10a6:10:4b4:cafe::18) by DUZPR01CA0217.outlook.office365.com (2603:10a6:10:4b4::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6277.39 via Frontend Transport; Tue, 11 Apr 2023 06:04:58 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 63.35.35.123) smtp.mailfrom=arm.com; dkim=pass (signature was verified) header.d=armh.onmicrosoft.com;dmarc=pass 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; pr=C Received: from 64aa7808-outbound-1.mta.getcheckrecipient.com (63.35.35.123) by DBAEUR03FT059.mail.protection.outlook.com (100.127.142.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6298.27 via Frontend Transport; Tue, 11 Apr 2023 06:04:58 +0000 Received: ("Tessian outbound 5bb4c51d5a1f:v136"); Tue, 11 Apr 2023 06:04:58 +0000 X-CheckRecipientChecked: true X-CR-MTA-CID: 5f05a7b5c4f300ca X-CR-MTA-TID: 64aa7808 Received: from e8429ee05dfc.1 by 64aa7808-outbound-1.mta.getcheckrecipient.com id 9422542E-BD1E-421A-9385-7A77F6555F19.1; Tue, 11 Apr 2023 06:04:51 +0000 Received: from EUR02-AM0-obe.outbound.protection.outlook.com by 64aa7808-outbound-1.mta.getcheckrecipient.com with ESMTPS id e8429ee05dfc.1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384); Tue, 11 Apr 2023 06:04:51 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=HhmozoQykIDWFliDOLZcwC6xe9Aakc3Uozp0F2SKgj5mkkCOVQdIMyg+YCcgQTbXt6AlZKTVMD9VxdFBfJ1QR+2+48nfawU+VZyagvzB7AZUVrrGZWhbFBLdfmdSqzCXUlpZTtOn047ufOuufZnU8knEpNVrax4IGN7ELKqBcH3KfTJy36b/K6qHHmmtE3uqd3UwsMNM9lYUOwH7Hv0cSCh2oiB92PRj8+dN+1JZErhr6hQMtFgOG1b4zzZFxTw1viMWy3PyfnVQBByH6UmhUHMV3ts+khnFm3ednoxJCCQyYdzb7wrx6AQahtMFjL0l7MU/yTya6EN3jO/YVgKxnw== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=M/ryhnv0V6M1+1PvdhNEKmvi9Rl5f2wGBHHguIwRmRY=; b=S2msVhLxkaH2iGlpo/iiPzBJIKKEaenrGkVNrezbe06ojtlROW01l24THDrZrTF8ksJxFtQv3tji7TF3Gm7QyCSDuQCbvW+HHVDV1apzc3RxQfcoEK0B+hbOID6j6uq9jslUky1DqlGubOYTdq2hvl+s6kC8AYaUe89v+EauAph5QgxShawPDnHwfzjjYAKcwwe3t71NBFsEEj2f9QRvifLRKtNqHkVICgsw0yMNRr/EayMDi8EOgijAfoxNM+c6QNaZGHYZl+SUuHepmro7+nF+TBLbnJmUD3gxyhNJbibAxgEuVm6yhZLo3ids1bw3+oSAyZ2ifgFDwBEyvh8SYg== 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=M/ryhnv0V6M1+1PvdhNEKmvi9Rl5f2wGBHHguIwRmRY=; b=wIZRNl7cLRanIKWoeTBTF7Z1ofCZOgK/WPRDDMo+ouS2MddnrePO52zZ6JDJLIhqGziUb66t4nvJa1j3cUG9L0snqv4o24Gcfp5yVunn78cQXK98LKpnZVqB+GlLMQ9DhllnskKn0Jey5234/vblYPACBCcS7Ms//TpNUKEunWI= Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; Received: from VI1PR08MB3919.eurprd08.prod.outlook.com (2603:10a6:803:c4::31) by DU0PR08MB9347.eurprd08.prod.outlook.com (2603:10a6:10:41f::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6277.35; Tue, 11 Apr 2023 06:04:49 +0000 Received: from VI1PR08MB3919.eurprd08.prod.outlook.com ([fe80::ff70:5431:70fa:34bf]) by VI1PR08MB3919.eurprd08.prod.outlook.com ([fe80::ff70:5431:70fa:34bf%4]) with mapi id 15.20.6277.038; Tue, 11 Apr 2023 06:04:48 +0000 Message-ID: <92b2b6ce-9b3e-48d4-e110-fc33ef23733f@arm.com> Date: Tue, 11 Apr 2023 07:04:40 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: Backporting minor fix to older gdb releases To: Joel Brobecker Cc: Luis Machado via Gdb , Andrew Burgess References: <87bkkufdw0.fsf@redhat.com> <8d4ac3fc-c508-2a92-5af2-efaa18da7a20@arm.com> <58337751-da16-58e1-0327-1e452472decd@arm.com> <8964d2a9-999e-28a4-3c58-83c0a72945aa@arm.com> Content-Language: en-US From: Luis Machado In-Reply-To: <8964d2a9-999e-28a4-3c58-83c0a72945aa@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SA0PR11CA0171.namprd11.prod.outlook.com (2603:10b6:806:1bb::26) To VI1PR08MB3919.eurprd08.prod.outlook.com (2603:10a6:803:c4::31) MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: VI1PR08MB3919:EE_|DU0PR08MB9347:EE_|DBAEUR03FT059:EE_|AS4PR08MB8047:EE_ X-MS-Office365-Filtering-Correlation-Id: 583c1a15-ad07-4807-f282-08db3a52ae16 x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 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:VI1PR08MB3919.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(366004)(39860400002)(346002)(136003)(376002)(396003)(451199021)(54906003)(2616005)(478600001)(6512007)(6506007)(26005)(6486002)(6666004)(41300700001)(316002)(66556008)(66476007)(6916009)(4326008)(53546011)(186003)(66946007)(31686004)(83380400001)(38100700002)(2906002)(5660300002)(44832011)(36756003)(31696002)(86362001)(8676002)(8936002)(43740500002)(45980500001);DIR:OUT;SFP:1101; X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB9347 Original-Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; X-EOPAttributedMessage: 0 X-MS-Exchange-Transport-CrossTenantHeadersStripped: DBAEUR03FT059.eop-EUR03.prod.protection.outlook.com X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id-Prvs: 6118e66f-26d1-48c0-2f9a-08db3a52a7c8 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: WNGWurHFYzR15QU0JTJpeFEPZP7Gb8J8xGQvoE5BscPm8RVktw61IqckAZpVBkuxYyR+7bVHcpxINagRUt7MY9U6W5608cse2ijPzPIKzv1JVhWvvwSrMq83+CKbnWgYewW2al41Un7PskRcvHt1/yXkiVaEz0Z33xyrVBMQaIxNdBnfWHBrgGUkmVtasAuLfU0lIXa4j3A/tkQVSUGvQDQU4Re1REhcftSvIX+9HgRrPJBrc/PBhccl/OzGkViyJdu7TavkXjRJmPR9pDXNj42D2O/kU7ripkghMzSOvq7S3cLquRrVBhVa/HvHddoMBPIDDPylSriiazLEF696mJMn9my1qRTOHpBIxHWbaR5Qg9yQx2b5yhQTHpiYA0CQm7L1IZ2yL0ichT1Rn9LbGdwbFYyS7FdYNhKu9VUEu5UBwO/W/JzKJe7PW2RbOKW7eq4d19GMUNPaKQ/UY8RIxAarfSXSa2DGuw0aGZfAK1H9pBX9FFi4IikTkUwxF9tUmnNgz3XCW6krJrw/g81GgPT7SEnovY5W+SJ8j6jMoGMCvBc6FzliuEHwebryG11q+Z6b8IsZ1UfFMCLrT0jNDenAzfTz/T9xWMlFYYanVXZ1O9ZnIMayhAX0hPcbGiYGAMJnp8AFCEhjLbn+MxpGMws4+vHYur4fSJm+EvH6dKBmjA78EkZxCfHS99YQGnGrk9kHL36pxVDKqElYjGIvGivty4/znxToyx0+sV6/ofY= 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;SFS:(13230028)(4636009)(396003)(39860400002)(136003)(346002)(376002)(451199021)(46966006)(36840700001)(40470700004)(6666004)(478600001)(6512007)(6506007)(316002)(26005)(186003)(53546011)(54906003)(6486002)(107886003)(2906002)(336012)(44832011)(5660300002)(70586007)(70206006)(8676002)(41300700001)(6862004)(4326008)(8936002)(82310400005)(356005)(81166007)(82740400003)(40480700001)(86362001)(31696002)(40460700003)(36756003)(83380400001)(47076005)(36860700001)(2616005)(31686004)(43740500002);DIR:OUT;SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Apr 2023 06:04:58.5525 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 583c1a15-ad07-4807-f282-08db3a52ae16 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-AuthSource: DBAEUR03FT059.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS4PR08MB8047 X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,FORGED_SPF_HELO,KAM_DMARC_NONE,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,TXREP,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Hi, On 3/22/23 09:57, Luis Machado via Gdb wrote: > On 3/20/23 04:18, Joel Brobecker wrote: >>>> FWIW, there is no real policy that I know of. >>>> >>>> We have been known to accept patches on release branches past the .2 >>>> release. It's been very rare, though. In all cases, the push was done >>>> with the understanding that there would likely not be another official >>>> release off that branch, so that was purely for the benefit of people >>>> who wanted to build from the HEAD of a release branch rather than from >>>> an official release. >>>> >>>> Whether we should be doing it in this case, I don't have a strong >>>> opinion. I think Andrew is making good points, and I'm wondering >>>> whether it will actually serve anyone if we backport the patches. >>>> On the other hand, are the patches extra safe? If they are, perhaps >>>> in the spirit of not standing in the way of someone willing to make >>>> it better for others... >>>> >>> >>> All reasonable points, I agree. >>> >>> The patch (a single one) is mostly trivial reordering of code to fix a >>> pseudo-register number that we get wrong for the pauth feature. It >>> helps in that it allows people to use gdb 9/10/11/12 with a new qemu. >>> Otherwise those gdb's will just crash on connection, with no way >>> around it. >> >> This part I understood. The part I wasn't sure about is whether >> there was any known entity that would pick the branch update up, >> and rebuild with it. > > I was thinking the main distros would pick it up (but can't be sure they will). > >> >> Nevertheless, this is not critical at all. As long as the patch >> is extra safe (which it looks like it can't possibly cause things >> to be worse, except in the pauth case which is already crashing), >> I don't see a reason why we should block the patch's inclusion >> in our older branches. You can go right ahead. >> > > Thanks Joel. I'll do this over the course of the week/next week. The qemu devs have decided to postpone the change that would've caused older gdb's to break. We're now discussing side-stepping older gdb's by making qemu and gdb exchange the same information via a different xml feature string. Given the above, I decided to drop the backports idea.