From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from EUR02-VI1-obe.outbound.protection.outlook.com (mail-vi1eur02on2074.outbound.protection.outlook.com [40.107.241.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C627074BED for ; Thu, 20 Mar 2025 15:49:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.241.74 ARC-Seal:i=3; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742485755; cv=fail; b=O0c6JgOfZGLhyFC11TO4juYdH0ngn4C4vlq4BUOE61L5kS5CNkkg9Yoxoq0dYiVPKNmZZrpzzUTgkP4pjQN7GaVj2MJ1fWlFoMFL1cgumy9MEm06s2Hd3GRAOhA0908WloAtyJ3oe1Zady+K5TbMrwPNIqqMCVhoS85Z0xAk/Gw= ARC-Message-Signature:i=3; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742485755; c=relaxed/simple; bh=ghbHPy5wtfBDG705uPSvnxtun3roIP1vBGB95BvDkeE=; h=Date:From:To:Cc:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=BOEC7NP3H/Es66vYmXyc06QDWMwqkiDIcUwe4mm8GbuRDdixManjtV/3XWGM+Nkum796JoIxZzHe0qU1XlPRhVFtVmfg6dPI84Ncx4onpEfPu3A74rnpYIJYmi2xqKXUKaPXQDsGc3kYuIVABg6q5QInnIV8yuPhPKTBhAPg+2M= ARC-Authentication-Results:i=3; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=poCV5M73; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=poCV5M73; arc=fail smtp.client-ip=40.107.241.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="poCV5M73"; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="poCV5M73" ARC-Seal: i=2; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=pass; b=jan+IfTBGorSdG3Ru4wEDFpQD1cmyY3buPFgvai4qgxOcRCKqgM5bKaukJxkpzZnNMVU/Gjqp9W10gZx8pDm88EysRX7DAvLZ6BdmWP0DIT8p9oPQSU7jurF73Y8QfJZ7ugD5UZVJeQONktEZ8D0/Phd2eWkrMUeK3CdeCAFvkkksfzIRCKCFn2hke8zu9+JL8bPcx18mdT0y/TuJmEsF8Sjgd92sxV5trVzr6ETeyFEbkh/iKEuYnDhyblR6/51Hjf1kqrzDIcwWYlqe6oQ6l2K77fsXJ1bwUE2tuM6Xx9ClVbGPNF7Wtlt8wZp8mml84fly4EdX2P5NhxNUsa2Ug== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=BtSl5te2Ejwe3HWh23jUS+g821nGOJGcEJXqw5CX/KY=; b=PWGskK4DyJSJk8ih0BPUQXBDo3r1HBEgsL8ukD3XDYkQQlS/zW8ocOVal9J99+b6LlL/dmR6ub3nnVhxlc4MEBxl3pKxVYeSecwhxsuFRLn/TcuPCcio+K2zDmmY9/vtdgW9synoK2qg/r4ba/3C6NLySJ5MuVnMndfu2cfNWs+QiUYi0OHMKihNsUXIpZKnnVlhu6n90/XhVLIyvLawDwM38RJ5Vb911m+7NNUtiEuMgDwBahibzRynmnWooQ9TKh8j/bvk889T/8QPorG/bY/KKHjNL1MlOf0OuT+D97Vpfj0oxxZAhwEzxo8OnomJXsRx6P+cUrtnRFK8oKzrUA== ARC-Authentication-Results: i=2; mx.microsoft.com 1; spf=pass (sender ip is 63.35.35.123) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=arm.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=arm.com; dkim=pass (signature was verified) header.d=arm.com; arc=pass (0 oda=1 ltdi=1 spf=[1,1,smtp.mailfrom=arm.com] dkim=[1,1,header.d=arm.com] dmarc=[1,1,header.from=arm.com]) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arm.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=BtSl5te2Ejwe3HWh23jUS+g821nGOJGcEJXqw5CX/KY=; b=poCV5M731rNmjUaaKbU5iECRtz7o54+WRvR+/7qQ0efN7piGCfCJKz4+4iN62VveJYRkvWjW+f/wLXpzJOX/ciMNS4cvwyiNqVBT8Di81tgJbEQaH0ih7liMFNFJ/17lbRcr/6+oUeuv4x3jE6kAoQGbjapN3au72cMlaitr4sc= Received: from PR1P264CA0192.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:34d::17) by GV1PR08MB8475.eurprd08.prod.outlook.com (2603:10a6:150:83::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8534.33; Thu, 20 Mar 2025 15:49:00 +0000 Received: from AMS0EPF000001B0.eurprd05.prod.outlook.com (2603:10a6:102:34d:cafe::63) by PR1P264CA0192.outlook.office365.com (2603:10a6:102:34d::17) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8534.34 via Frontend Transport; Thu, 20 Mar 2025 15:49:00 +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=arm.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 AMS0EPF000001B0.mail.protection.outlook.com (10.167.16.164) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8534.20 via Frontend Transport; Thu, 20 Mar 2025 15:49:00 +0000 Received: ("Tessian outbound c541cdb55eba:v597"); Thu, 20 Mar 2025 15:48:59 +0000 X-CheckRecipientChecked: true X-CR-MTA-CID: c0c55902ceb5e97f X-TessianGatewayMetadata: oz1CWi7ZcfQC6qehWVMvtKsn26LS38K9qFU8a3MQ5KhgaZcIC9I6fNnBHFgl8BSPXQWPiseievNI1EtFAxxAwYZeQ2xV5nrpxmL1XMwBaSfuAn84+hDWAHgmjPxFjdSdu1U/sWRsS9obxsooO82KEA== X-CR-MTA-TID: 64aa7808 Received: from Ld278db1a9a7b.2 by 64aa7808-outbound-1.mta.getcheckrecipient.com id FCD19D75-6D54-4344-B331-302CCCB4BECF.1; Thu, 20 Mar 2025 15:48:54 +0000 Received: from EUR02-DB5-obe.outbound.protection.outlook.com by 64aa7808-outbound-1.mta.getcheckrecipient.com with ESMTPS id Ld278db1a9a7b.2 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Thu, 20 Mar 2025 15:48:54 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=E/JcnD35ZIafdLZfiZYTJqwOMXaxWaBA5EmT9zUHckuphSBpEzktE/U1S5R0+hwMUYYkw393ejogTUR2ZPoLUUdu7xBzf8joz7x6zahyvmZLUQXiKGK9thFocQQgFf0pPyQtAFie9O5JsRq4kT+ApMgUzkb2d0YObmShOZsbmeK060VRBylJfe5JlPrFtSQkehPnLeF1v4iMLLWz/NC9lHfb1GfePTFn3gp8JoWf+tSkGzBx7j6YCVNCRxm07re4A2xoYFNrU6FDasjEjLfT7ybMjiQ1xdiN97rwMesmWP4eXsLMwKmR6E5wtXgjcXgACGBk5B9DdVu7KWiSSlHwUA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=BtSl5te2Ejwe3HWh23jUS+g821nGOJGcEJXqw5CX/KY=; b=tJAn9x63BcQRUGyU+0imvKxHwhfhhCcZP9w40JTdg8LkYukwOs9CpP6trnnT4I0YxG8wY9v2Pf4/k1m8+Pdd3lI1It56cXSFku/rAbaNLqyJV7K5gGnZ1VbTLGjVFXt0dxT1/Ed/wBwataG6Bihou1WTTl7roHF0ww3IP51zqNqBolIRGgRHFIqnBwtbrRUyLjmxzVYA656NscXpAWyKJV79NB/AuDjfQH1GmpZUg0gLj/gRpoEKJHoGZqvOM9o11EBSjOVCsPlrUYCFqLxtdQJGG+OOIhrzRlKULFkK2DR1Dp+t0YENnDaGmyQ9qngNvaOsdggWoU3+PfkcYupFfw== 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=arm.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=BtSl5te2Ejwe3HWh23jUS+g821nGOJGcEJXqw5CX/KY=; b=poCV5M731rNmjUaaKbU5iECRtz7o54+WRvR+/7qQ0efN7piGCfCJKz4+4iN62VveJYRkvWjW+f/wLXpzJOX/ciMNS4cvwyiNqVBT8Di81tgJbEQaH0ih7liMFNFJ/17lbRcr/6+oUeuv4x3jE6kAoQGbjapN3au72cMlaitr4sc= Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; Received: from GV1PR08MB10521.eurprd08.prod.outlook.com (2603:10a6:150:163::20) by GV1PR08MB10670.eurprd08.prod.outlook.com (2603:10a6:150:169::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8534.36; Thu, 20 Mar 2025 15:48:52 +0000 Received: from GV1PR08MB10521.eurprd08.prod.outlook.com ([fe80::d430:4ef9:b30b:c739]) by GV1PR08MB10521.eurprd08.prod.outlook.com ([fe80::d430:4ef9:b30b:c739%6]) with mapi id 15.20.8534.034; Thu, 20 Mar 2025 15:48:52 +0000 Date: Thu, 20 Mar 2025 15:48:49 +0000 From: Yeoreum Yun To: James Clark Cc: Suzuki K Poulose , Mike Leach , Alexander Shishkin , Maxime Coquelin , Alexandre Torgue , leo.yan@arm.com, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com Subject: Re: [PATCH v3 0/7] coresight: Clear self hosted claim tag on probe Message-ID: References: <20250320-james-coresight-claim-tags-v3-0-d3145c153820@linaro.org> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250320-james-coresight-claim-tags-v3-0-d3145c153820@linaro.org> X-ClientProxiedBy: LO4P123CA0527.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:2c5::11) To GV1PR08MB10521.eurprd08.prod.outlook.com (2603:10a6:150:163::20) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: GV1PR08MB10521:EE_|GV1PR08MB10670:EE_|AMS0EPF000001B0:EE_|GV1PR08MB8475:EE_ X-MS-Office365-Filtering-Correlation-Id: 6df56d36-7978-4a2d-f6c6-08dd67c6bb8f X-LD-Processed: f34e5979-57d9-4aaa-ad4d-b122a662184d,ExtAddr x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0;ARA:13230040|1800799024|366016|376014; X-Microsoft-Antispam-Message-Info-Original: =?us-ascii?Q?+zO5+4oZKyeyBnp4IKpBeONVzqP0x50Xg1JzLhD8CmNy26ta6A2HN4Na400X?= =?us-ascii?Q?ToXkvwu5Uq1P647AcgIujI0T8PV5sY87xUpFRGtliJe3qIdavGNMp1CgoF1e?= =?us-ascii?Q?Znxguoro9i55a4j9I/FUlb+snL1MJ1VTRK9yr5nfyMilscnJZK9mokprgWqE?= =?us-ascii?Q?lnF1pW44uvKKBcaKVbjdc53y5dymfDdkgmi5eA2muxp9DgWvQXam8jH1NOyT?= =?us-ascii?Q?aT8v3s4JB7gFsGCiHQQ7C8G0wLPsdHxQlb3dM7AR2BJaI17zt5oDyWBYs80r?= =?us-ascii?Q?fRvkfGJHzd6sznFqSnXrYvcDpbAHjt1DlO1O12ki7pyWDJGlD7tUQm+DSvKy?= =?us-ascii?Q?vvTn1RJ9Am+/pmRTHWNZAziO4FAOm7hJF41AEuupa1f8/EPRYRQ94EyGUQHI?= =?us-ascii?Q?28eBcHo/z8lHFqpJLdkCEEZsbtJuqWR70q2V4hLiNqV+WHtyMZ8IGvsmanjT?= =?us-ascii?Q?MQTUMQ7krZ0x+fvJ13NYpUUU8kiS7gFEoB6tx93+86Obgv7uc4JEWnDILtI0?= =?us-ascii?Q?Xj73rr2Flh3O5fGoZrYXOZq4956XV9YBkDTI0n5B/kRfV+mLaLKXyBDOzyOo?= =?us-ascii?Q?crwpTWt3pnX/exYc6t602DV9zb7Fhbf0Ju5puUwoI5N6nabFP8AS6swaGa5k?= =?us-ascii?Q?LT+rAM5GrngPTV9ARvav7rblv8aiTpg8+9vGgRYuEYrpn8UWMcTjfjnVMpqK?= =?us-ascii?Q?yev6OBc5tTbeo7KDUru2A91w+AoI1SvD9FSufEE0QG0TyCquJbZ3boAaLmIl?= =?us-ascii?Q?Z0S+ciVK2eq+8UBi1HYG59SYZs0m7hkn1qFlbA/wOmj6IY4Lg7GUA9PNKikm?= =?us-ascii?Q?A82wZeEqI7rdlwuxWiYNK3j/TDEu9XWAud/bC1WNhebYNJkEWLENkqD/TWej?= =?us-ascii?Q?Q22BHTnN+oZ6Sg6sdQ5vrXsmm6iIwkEI8ffDGH4TjTuzvf5HVW1dgyeageEC?= =?us-ascii?Q?gtRHUt9vUP4BzNlIGeKvNzpHvC7ULrlARoIzfY4xcIlo11tcDsVnjoL+S7/3?= =?us-ascii?Q?2kqVnX6uD20Q635yX5oJPL+/jmTMaf3H7fJhMP3Ag5gbcMu8PelDBvc0zY6H?= =?us-ascii?Q?v+gFlO3zx3v3ZuZbp7RDOZ3+YjEb6ltN04RNN9ZuDjk/4rzAVwosuNjoRyQa?= =?us-ascii?Q?9tCsIoyFiORhfN/074zeFEq4fo9emOwqvub42rvjt2xuSPZ/2jpYT6C6l/pr?= =?us-ascii?Q?CZGmk4FY/8ZdGe/IqBr4M0I5JOTZGRfUG02xpJrg3lHCrqm2ZGH9sNBASuTL?= =?us-ascii?Q?EKKPviIZqUBSEPP6bxMK3rHN9DNbMS8DvU0T9Azn3M/alVFY+9brp+NmwvVD?= =?us-ascii?Q?y84EhbKSltVzZh3UBAUYzNtUYuU97NcShAChyO6N57hNhw0QlqLBNNL5YUEJ?= =?us-ascii?Q?L35sItaUJv2lupZYPD99qm30Xdw1?= X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:GV1PR08MB10521.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR08MB10670 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-SkipListedInternetSender: ip=[2603:10a6:150:163::20];domain=GV1PR08MB10521.eurprd08.prod.outlook.com X-MS-Exchange-Transport-CrossTenantHeadersStripped: AMS0EPF000001B0.eurprd05.prod.outlook.com X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id-Prvs: 8415fb90-3032-4406-d8c2-08dd67c6b66d X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|35042699022|14060799003|36860700013|1800799024|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?n5oHoL/f0Gs1VH1fjfl8TZ9mHm3yqmbjMx3ZeQQVqWEj7nu2zjz9c7z44wmY?= =?us-ascii?Q?xHJewacFniHKc7jZKydx6xoq4KaC/uFd+w35lXKdfSeHlYm7GfAY0lr+Cm+o?= =?us-ascii?Q?+Lh1OYCOdQ9d23EpQl43v8gbGzCWRSVm+BVliHFTRUgTo54ZbkeXNdGgc+L0?= =?us-ascii?Q?gFVLkMUFMxr5pMNvtx0fMBwHzPi7XBJcEP9lVHH+0wtFYVKeBfGr5ovfcsII?= =?us-ascii?Q?xRgmv+NM4ag3fpr6OSf+3Lx/wbT+qWkkJe9Y3IJaBD3zS/sQykAgYLMwiDbP?= =?us-ascii?Q?FRxqdN7c7TXLO5nR/J0YRJxksmg3YpsrdTBl0bxPMKAtJTXBLOEB/YFSmqo7?= =?us-ascii?Q?xQZp8H6dIVBCQ28PtZ1cSld7p9zsg47Suax1YkS5cm20q1pPtAKn6ltS4EPG?= =?us-ascii?Q?Sq0rKEPrXjV4NsZD4zGN22F6l77MaurxMocCDqpvWmLI+PB7AL94TPnhV5ze?= =?us-ascii?Q?cYAiBtOUnJGdi5hxF48wgAA1hRwnlXnxT3OTS0dNyJB7mftREpW1Ku6UF0Fl?= =?us-ascii?Q?czA+U+P/NMfqr3J8Y9kpVztr7GigVZ/a/OgcYqeIxKKfk2V3Ie0qi6kOrbVs?= =?us-ascii?Q?g1n3qtJxbA+oh5kLQbL+uHd9Yz/oqzhpUmba4072SZUTA3eJYbcXaciGcgc9?= =?us-ascii?Q?KSc67SOngrQDGQ/WQyUbXfrdoogCdrW8tFuMrD5+lEC4z90ZgNI+Ewyt9OrB?= =?us-ascii?Q?YaPuV0r5hcoxjxANuTEu7xmTmvWTBXPaO305KBhhSGa3zHfB1H1B3emZq8dN?= =?us-ascii?Q?2W1iOFBC0h7FrMtwoP4fsTX8wany5m51coKhCD0B54yUUxBjUJcuA4XJTyEB?= =?us-ascii?Q?BDTLJTrMorAbzBLliCJMm3HPcL+gr1sJ+HfvcMjkbEUvDBOpiscnuOjEDBgJ?= =?us-ascii?Q?Zgz+a3NR59BnRcdjomWMTcR9doLBvXdHgC4nmEPlkuRRURWspzc2P0AtBn/g?= =?us-ascii?Q?KwOzbCuBWsgX4vDzVlwwZRa69wnr/A9h7Ba0v9IY6eQsO1SouHt9Pvk6flgV?= =?us-ascii?Q?5y5vJ324v8BUXybvAnMRb6aynHUn1dRcF6Q0dHFxos/9a/bDFtmU+dyPmkRF?= =?us-ascii?Q?K8MUiJAip9VmA4avnVbf7FedAoBnWMwiHq1LV8IbAuBQRd9GQoon1FRmDslt?= =?us-ascii?Q?mJ8RSkP8aCiKWmgk2ZaNnoHlmuaJ08/wesUdGICbyumOfLsTRLUFWvOcA8kp?= =?us-ascii?Q?fGYiuLTBSt251w060X8MZFLrlRioObZbkEQyH+As6g9xH0g44gvmSAcBXufV?= =?us-ascii?Q?LFLNWajCUpXWE5cDilynU6pcx+5E/4xTRekWSgrS1338c99kopTVxxUOwZ0S?= =?us-ascii?Q?R95ySkdD5hGJaBag9jk4eBXZG9BZBBBjAXX4NvDFHiseq7CaKI5rfdzpkaxI?= =?us-ascii?Q?pikwdGiTrPCV8IXOkhcBQf+Cf6xOrgqkrdNWqtmVIXr3zHsUFN92ik1peA4e?= =?us-ascii?Q?JT7TcVbHB1sFEBD+Ke3YN+j8jBzPV5cEQR8m+6flSYF06gNDFyp2KN4Ntol0?= =?us-ascii?Q?IUrqQshmNC4G6ng=3D?= 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:64aa7808-outbound-1.mta.getcheckrecipient.com;CAT:NONE;SFS:(13230040)(82310400026)(35042699022)(14060799003)(36860700013)(1800799024)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Mar 2025 15:49:00.3969 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6df56d36-7978-4a2d-f6c6-08dd67c6bb8f 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: AMS0EPF000001B0.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR08MB8475 On Thu, Mar 20, 2025 at 02:34:09PM +0000, James Clark wrote: > I've gotten stuck a few times with unusable Coresight after a warm boot > due to lingering claim tags, especially when testing the Coresight > panic patchsets. > > This change does some tidy ups, adds some debug messages and clears the > self hosted claim tag on probe. The last two commits are unrelated > tidyups but they touch some of the same functions so to avoid extra > conflicts I'm including them here. > > This gets as far as fixing the claim tag issue, but there is some other > state not being cleared on probe that results in the following error. > This can be fixed up as a later change: > > coresight tmc_etf0: timeout while waiting for TMC to be Ready > coresight tmc_etf0: Failed to enable : TMC is not ready > > Changes in v3: > - Collapse rename and locked/unlocked addition commits of > coresight_clear_self_claim_tag() so we don't change the name twice. > - Make coresight_clear_self_claim_tag() a bit more generic by only > doing UNLOCK for MMIO devices (although there is no use of this right > now) > - Link to v2: https://lore.kernel.org/r/20250318-james-coresight-claim-tags-v2-0-e9c8a9cde84e@linaro.org > > Changes in v2: > * Revert most of the interface changes, just call > coresight_clear_self_claim_tag() directly. This is possible because > we're not doing the read first, so it has fewer knock on effects. > * Split out the change to add struct cs_access to etm3x > * Add another warning for racing with external debugger > > -- > 2.34.1 > > --- > James Clark (7): > coresight: Convert tag clear function to take a struct cs_access > coresight: Only check bottom two claim bits > coresight: Add claim tag warnings and debug messages > coresight: etm3x: Convert raw base pointer to struct coresight access > coresight: Clear self hosted claim tag on probe > coresight: Remove inlines from static function definitions > coresight: Remove extern from function declarations > > drivers/hwtracing/coresight/coresight-catu.c | 12 +-- > drivers/hwtracing/coresight/coresight-core.c | 87 ++++++++++++++-------- > drivers/hwtracing/coresight/coresight-cti-core.c | 2 + > drivers/hwtracing/coresight/coresight-etb10.c | 4 +- > drivers/hwtracing/coresight/coresight-etm.h | 6 +- > drivers/hwtracing/coresight/coresight-etm3x-core.c | 28 +++---- > .../hwtracing/coresight/coresight-etm3x-sysfs.c | 8 +- > drivers/hwtracing/coresight/coresight-etm4x-core.c | 10 ++- > .../hwtracing/coresight/coresight-etm4x-sysfs.c | 4 +- > drivers/hwtracing/coresight/coresight-funnel.c | 1 + > drivers/hwtracing/coresight/coresight-platform.c | 26 +++---- > drivers/hwtracing/coresight/coresight-priv.h | 20 ++--- > drivers/hwtracing/coresight/coresight-replicator.c | 3 +- > drivers/hwtracing/coresight/coresight-stm.c | 6 +- > .../coresight/coresight-syscfg-configfs.c | 2 +- > drivers/hwtracing/coresight/coresight-tmc-core.c | 9 ++- > drivers/hwtracing/coresight/coresight-tmc-etr.c | 16 ++-- > drivers/hwtracing/coresight/coresight-trbe.c | 18 ++--- > include/linux/coresight.h | 40 +++++----- > 19 files changed, 168 insertions(+), 134 deletions(-) > --- > base-commit: 5442d22da7dbff3ba8c6720fc6f23ea4934d402d > change-id: 20250317-james-coresight-claim-tags-ae1461f1f5e0 > > Best regards, > -- > James Clark Look good to me Reviewed-by: Yeoreum Yun