From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from EUR02-VI1-obe.outbound.protection.outlook.com (mail-vi1eur02on2073.outbound.protection.outlook.com [40.107.241.73]) (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 765561E7C09 for ; Fri, 21 Feb 2025 16:51:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.241.73 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740156698; cv=fail; b=PmPH6Of7+lxIifkDuwH3uYsSbRbh/w6FZa5+iFszupqsw/N6HA3T+B3g7NnP0uaGTh60906KoLwWSCdsXnKGSW+8xJSBQYTb3Tu6/Crt+lk55v8hYeC29dhTO0qaMFMEnU8OMIUIxuZmOV1A7s3G4cj+SnVCsLzS4Fmy8SlvBnk= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740156698; c=relaxed/simple; bh=01a2jpDJoa6jQZMbja6atjSxYy0baRSa9jKST5uGJOA=; h=Message-ID:Date:Subject:To:Cc:References:From:In-Reply-To: Content-Type:MIME-Version; b=hO1kkMrjciSjOGRcHGjZNYhW3/yaKKvqaAePV22JHhDAmmHoi07gaPxXfOo9qRxH0eVdhO7J78gDW+LjxNOiQDJw4TpEMRii5LebIB3lOOtFvIFET6dvq/dx1wqo0tQgN0/jig2UXi0XiM/oqr2b3iFjCvZbxOUmrYhIDCePues= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com; spf=pass smtp.mailfrom=siemens.com; dkim=pass (2048-bit key) header.d=siemens.com header.i=@siemens.com header.b=DOLzUtFL; arc=fail smtp.client-ip=40.107.241.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=siemens.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=siemens.com header.i=@siemens.com header.b="DOLzUtFL" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=lK2FHz8d/YLhLqgauUJR8TL8jmFcBJdt+0Fczf7AHABx79HAQi9e6FDwTEcYevEjjxdnYe542e56F1er0kFHaYsEj8Q7RIPfEfLGR0UeJ3NOqIjHH4gQ3Cw+kB5HCFtdUo0DE6ZzDzoLlBtV8PwyQLxXkPJaRO0TvqZa9k/6Kfly5tNsFQBn4QvBjOI3K5cxyz3XKA5Uai4AGiyXV7nifNF1dlIJCDE1ZwaLk/iNOFS5PWFs5/NwVs9hbFPkJ1LHLUPnJmfJLVoZ7ugeG/GWrazJ2A/4CjHY+Ja73aF1HWoH2Z//ScRT6oV/4EIpNLI6QRZ7AYbw87VJyivlQpyzDg== 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=TK4gpGJVpyR0pJGikVv86mYJ4k0cSFlwIS90PVu7zHM=; b=PMwslWFyiZthmDD7N+lD/YKLy486lyOL0490BYrthI81by5k2wr0NQPpRDTvp91JxjxHPeRJN2KQ+7HOJXpZeZezf7oCMwMPqOO8YxBX1aq5WGBtVSHo5MvIKoIO19WIpba97B9J2oeapqWFAp2fce/KznhU4bLoT/iadhXU3huN+o8yE18SOVnwJFTe6qUvpNr4765P5V7h+33u41/V/RdEyeAO/mvcimblcwkk/GUnXlQE5342OcGfjleKM6o4eAmpcoVQebCb0+Os15VM7sW+0oesmwFIVrvSOnL321XQwl4+AePiQBOgN2TIvFssQDj9VsugaZsFvB3NumLE+g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=siemens.com; dmarc=pass action=none header.from=siemens.com; dkim=pass header.d=siemens.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=siemens.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=TK4gpGJVpyR0pJGikVv86mYJ4k0cSFlwIS90PVu7zHM=; b=DOLzUtFL42EGZV/kuwHgSDNWhnQB06p0j++2Etzmh1jLmzVnsgp19aX7aYYJIPqO7rER18YIBYQPt6Jf+/VmRvbN0QC83fLJRd2E5vBiGiiNE5paC+KqEYTPAhC/vVwC1cX+cqqFvlShtImz13uRskn1So1liRa6NZL2ltQx7F84nJCU5qrzsWkoplevGwDSQj8WYfftJJxciZMAZZ5V/LTxi/vMuuH7m2bA/aPmoPJBU2BO+tGfh6qqWzdCJUmv1OrqkjGiWgRVslrBz8O0/q3G3mMFBCrwWHLEW+UH+SBSdPb7V56iEKaTIRBK81DFcG4qOrtOxP4CZHKRe0bG5Q== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=siemens.com; Received: from AS4PR10MB6181.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:20b:588::19) by AS1PR10MB5748.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:20b:47f::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8466.15; Fri, 21 Feb 2025 16:51:33 +0000 Received: from AS4PR10MB6181.EURPRD10.PROD.OUTLOOK.COM ([fe80::8fe1:7e71:cf4a:7408]) by AS4PR10MB6181.EURPRD10.PROD.OUTLOOK.COM ([fe80::8fe1:7e71:cf4a:7408%4]) with mapi id 15.20.8466.015; Fri, 21 Feb 2025 16:51:33 +0000 Message-ID: Date: Fri, 21 Feb 2025 17:51:31 +0100 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] scripts/gdb: Add $lx_per_cpu_ptr() To: Brendan Jackman , Kieran Bingham , Andrew Morton Cc: Florian Rommel , linux-kernel@vger.kernel.org References: <20250220-lx-per-cpu-ptr-v2-1-945dee8d8d38@google.com> From: Jan Kiszka Content-Language: en-US Autocrypt: addr=jan.kiszka@siemens.com; keydata= xsFNBGZY+hkBEACkdtFD81AUVtTVX+UEiUFs7ZQPQsdFpzVmr6R3D059f+lzr4Mlg6KKAcNZ uNUqthIkgLGWzKugodvkcCK8Wbyw+1vxcl4Lw56WezLsOTfu7oi7Z0vp1XkrLcM0tofTbClW xMA964mgUlBT2m/J/ybZd945D0wU57k/smGzDAxkpJgHBrYE/iJWcu46jkGZaLjK4xcMoBWB I6hW9Njxx3Ek0fpLO3876bszc8KjcHOulKreK+ezyJ01Hvbx85s68XWN6N2ulLGtk7E/sXlb 79hylHy5QuU9mZdsRjjRGJb0H9Buzfuz0XrcwOTMJq7e7fbN0QakjivAXsmXim+s5dlKlZjr L3ILWte4ah7cGgqc06nFb5jOhnGnZwnKJlpuod3pc/BFaFGtVHvyoRgxJ9tmDZnjzMfu8YrA +MVv6muwbHnEAeh/f8e9O+oeouqTBzgcaWTq81IyS56/UD6U5GHet9Pz1MB15nnzVcyZXIoC roIhgCUkcl+5m2Z9G56bkiUcFq0IcACzjcRPWvwA09ZbRHXAK/ao/+vPAIMnU6OTx3ejsbHn oh6VpHD3tucIt+xA4/l3LlkZMt5FZjFdkZUuAVU6kBAwElNBCYcrrLYZBRkSGPGDGYZmXAW/ VkNUVTJkRg6MGIeqZmpeoaV2xaIGHBSTDX8+b0c0hT/Bgzjv8QARAQABzSNKYW4gS2lzemth IDxqYW4ua2lzemthQHNpZW1lbnMuY29tPsLBlAQTAQoAPhYhBABMZH11cs99cr20+2mdhQqf QXvYBQJmWPvXAhsDBQkFo5qABQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEGmdhQqfQXvY zPAP/jGiVJ2VgPcRWt2P8FbByfrJJAPCsos+SZpncRi7tl9yTEpS+t57h7myEKPdB3L+kxzg K3dt1UhYp4FeIHA3jpJYaFvD7kNZJZ1cU55QXrJI3xu/xfB6VhCs+VAUlt7XhOsOmTQqCpH7 pRcZ5juxZCOxXG2fTQTQo0gfF5+PQwQYUp0NdTbVox5PTx5RK3KfPqmAJsBKdwEaIkuY9FbM 9lGg8XBNzD2R/13cCd4hRrZDtyegrtocpBAruVqOZhsMb/h7Wd0TGoJ/zJr3w3WnDM08c+RA 5LHMbiA29MXq1KxlnsYDfWB8ts3HIJ3ROBvagA20mbOm26ddeFjLdGcBTrzbHbzCReEtN++s gZneKsYiueFDTxXjUOJgp8JDdVPM+++axSMo2js8TwVefTfCYt0oWMEqlQqSqgQwIuzpRO6I ik7HAFq8fssy2cY8Imofbj77uKz0BNZC/1nGG1OI9cU2jHrqsn1i95KaS6fPu4EN6XP/Gi/O 0DxND+HEyzVqhUJkvXUhTsOzgzWAvW9BlkKRiVizKM6PLsVm/XmeapGs4ir/U8OzKI+SM3R8 VMW8eovWgXNUQ9F2vS1dHO8eRn2UqDKBZSo+qCRWLRtsqNzmU4N0zuGqZSaDCvkMwF6kIRkD ZkDjjYQtoftPGchLBTUzeUa2gfOr1T4xSQUHhPL8zsFNBGZY+hkBEADb5quW4M0eaWPIjqY6 aC/vHCmpELmS/HMa5zlA0dWlxCPEjkchN8W4PB+NMOXFEJuKLLFs6+s5/KlNok/kGKg4fITf Vcd+BQd/YRks3qFifckU+kxoXpTc2bksTtLuiPkcyFmjBph/BGms35mvOA0OaEO6fQbauiHa QnYrgUQM+YD4uFoQOLnWTPmBjccoPuiJDafzLxwj4r+JH4fA/4zzDa5OFbfVq3ieYGqiBrtj tBFv5epVvGK1zoQ+Rc+h5+dCWPwC2i3cXTUVf0woepF8mUXFcNhY+Eh8vvh1lxfD35z2CJeY txMcA44Lp06kArpWDjGJddd+OTmUkFWeYtAdaCpj/GItuJcQZkaaTeiHqPPrbvXM361rtvaw XFUzUlvoW1Sb7/SeE/BtWoxkeZOgsqouXPTjlFLapvLu5g9MPNimjkYqukASq/+e8MMKP+EE v3BAFVFGvNE3UlNRh+ppBqBUZiqkzg4q2hfeTjnivgChzXlvfTx9M6BJmuDnYAho4BA6vRh4 Dr7LYTLIwGjguIuuQcP2ENN+l32nidy154zCEp5/Rv4K8SYdVegrQ7rWiULgDz9VQWo2zAjo TgFKg3AE3ujDy4V2VndtkMRYpwwuilCDQ+Bpb5ixfbFyZ4oVGs6F3jhtWN5Uu43FhHSCqUv8 FCzl44AyGulVYU7hTQARAQABwsF8BBgBCgAmFiEEAExkfXVyz31yvbT7aZ2FCp9Be9gFAmZY +hkCGwwFCQWjmoAACgkQaZ2FCp9Be9hN3g/8CdNqlOfBZGCFNZ8Kf4tpRpeN3TGmekGRpohU bBMvHYiWW8SvmCgEuBokS+Lx3pyPJQCYZDXLCq47gsLdnhVcQ2ZKNCrr9yhrj6kHxe1Sqv1S MhxD8dBqW6CFe/mbiK9wEMDIqys7L0Xy/lgCFxZswlBW3eU2Zacdo0fDzLiJm9I0C9iPZzkJ gITjoqsiIi/5c3eCY2s2OENL9VPXiH1GPQfHZ23ouiMf+ojVZ7kycLjz+nFr5A14w/B7uHjz uL6tnA+AtGCredDne66LSK3HD0vC7569sZ/j8kGKjlUtC+zm0j03iPI6gi8YeCn9b4F8sLpB lBdlqo9BB+uqoM6F8zMfIfDsqjB0r/q7WeJaI8NKfFwNOGPuo93N+WUyBi2yYCXMOgBUifm0 T6Hbf3SHQpbA56wcKPWJqAC2iFaxNDowcJij9LtEqOlToCMtDBekDwchRvqrWN1mDXLg+av8 qH4kDzsqKX8zzTzfAWFxrkXA/kFpR3JsMzNmvextkN2kOLCCHkym0zz5Y3vxaYtbXG2wTrqJ 8WpkWIE8STUhQa9AkezgucXN7r6uSrzW8IQXxBInZwFIyBgM0f/fzyNqzThFT15QMrYUqhhW ZffO4PeNJOUYfXdH13A6rbU0y6xE7Okuoa01EqNi9yqyLA8gPgg/DhOpGtK8KokCsdYsTbk= In-Reply-To: <20250220-lx-per-cpu-ptr-v2-1-945dee8d8d38@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: FR5P281CA0016.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:f1::14) To AS4PR10MB6181.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:20b:588::19) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS4PR10MB6181:EE_|AS1PR10MB5748:EE_ X-MS-Office365-Filtering-Correlation-Id: e6490200-b454-407e-db3b-08dd5297fefb X-MS-Exchange-AtpMessageProperties: SA X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7053199007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?dGlJdEszSEU0Sk15QUpXSVl2R0RzQkJ3dXNWWXFhTmEyaE9BODNYd3ZSNkgv?= =?utf-8?B?MXBGMlBBTU5zTHo5MG1Mbno0QmVwcGE5UldGQ1RIemhtZDBKT3RFVEZiM1FI?= =?utf-8?B?dXhNR2ZNbkprTmdVWjlNcEw0Ylc4QXcrblhLeExqZHhkcjQzUkRpcGRLQjNU?= =?utf-8?B?ZGV0UDZMUWlUaEszbERZR2JHRHZKWG1ObW85T0cxbForc3lIQ2VjNEQrS0l2?= =?utf-8?B?eDZrOVY2VlNsMXJic3lSZHRaTDl4TnUyVGM5Tm4xTkpKOGxuaHVuMTBCVTQv?= =?utf-8?B?WmY4eWJtSWdVUFNZM0RyL2tBWXhzMG82ZUVtQmorUVRLMHZ5R05XbTFwZ01H?= =?utf-8?B?dWRKR3N6M1FPZXlzWnlCMDlsYzFjWnEvNG0xUWpSdVkvVWZDV0R0dWQ2ajRN?= =?utf-8?B?WWU0RklrOERlbG9jSWJ1VUs5VjdYNXhxaVB6aHppSFhoZTVBYzhiemNOdFl2?= =?utf-8?B?aElSSmhjbkprMnArV0h6cUJ6Y0ltczRSczJWU0pPZXJVNVYvWWxhaGxsZ1Bm?= =?utf-8?B?d2gyUzYvMzJ6UDloRk00ZlhVdStKOENtMEtucis5Z213eFJ0OW14TXNLSnhq?= =?utf-8?B?dElCNUpCbi9tSVI1YUt2c1NwcTdaSVhEZlIwUHpSbzZqNkhJOEtxeERWMHpk?= =?utf-8?B?WjNHMkkvdm1vMmtoRE80eTlyNUI0a3RXa2VpVjFzblhSZ0dxaEMzT3N5N2lQ?= =?utf-8?B?a1hXd3FNajFGNXo0dVF6aHdxQTIwRlEyS0pURFM0NGQwaWRocEpHUVFvUC9h?= =?utf-8?B?WlltNDVKRmQwQVAxdnRYNS9Kcy91WHpLZHBEdzhlelBWUmV4OWxlRjBrVDZo?= =?utf-8?B?VStIbjVXblo3cGRqeUw1NE9QL0lSZjVjdkZnQ2pGVWxwR1hsTGdjc08vcWlj?= =?utf-8?B?YzZOVDhjakc5WGtmZDFxN3BML3M0ZkhlNlJ3UVJYRjJMVFc3QndXcERYOW9M?= =?utf-8?B?bXBiQkJzU0ZzTFZKcnQrUG1EQi9SMWZWd2tEcUtmR3puNlBadjA3OGM1czZZ?= =?utf-8?B?L2pMMDVIR256enZPaFlQbzNBWms2MUp3YUdVYnk0UDBVdmtYT3pRUzlvQmV4?= =?utf-8?B?Q1JEakhYdHg4c09UMFZYUnRhOXhmMWYxUGlXTUs4c3lWRUc4ZXBjaTVRWVRZ?= =?utf-8?B?YmdXeWUyelk4U0MxdGNpNlRreFZCL29DY2kyRFpzUEV0eXZjZjk3YWRXZzhH?= =?utf-8?B?T2RDSkJrTHo4Z2lWeE1hdjFvd2l4RUZ0MlhEUVR2ODlSMzNEWnNVMUUwTS9s?= =?utf-8?B?NEJuWmx6SDNNazdYRUFFQUttR0RoWlVOK0Q1VkZZWU9zYXUvblZYMzNZVmlq?= =?utf-8?B?a1I1TjRzQVJRUFpRU1B4aEtndDhHUm5sYlNKS0RaYlVGNVdQelRScTJyeDA1?= =?utf-8?B?ejR5d1VWQUNGYzAwRXA0MnJ5cDRJZDc3QWorK3BCREFhcnMrMGtQOUF3UUdp?= =?utf-8?B?U1l3dExEajh5Y09nNFhFZndMR2JTWHlTeFRnanI2UUdGVnkyWEI3WlVlejBi?= =?utf-8?B?MWVlZnlEcUI5MWxKa2VqL1E5V3RBbTBwTmVabDV3c0JFVGFuaDUweUJlaXB1?= =?utf-8?B?UEM5cmYxSXVuOVoxR0Jjdy93V2FiT2lFRUI0WkZFemFoaFNRbVcyMEJrZCtE?= =?utf-8?B?elR4WTUyRWdmQVh1dzdXNDE1cWZXRlhPR2M0Q1dia0lweGhrZ1ZhZG9zRmhs?= =?utf-8?B?VFJ2MC9SM0ZMQU95VHJHTjhWRmpXcW9QZDZEUjNMeHlYY0tkcnIwL0IwdlZu?= =?utf-8?B?bW85MU9YZjVzMERXQTZpcnV3WGNGRzhkTG4wQk5oaWh5U0hqSnVNVUNKdDE0?= =?utf-8?B?VklHY0hWVnBMa0RUdGJxWi85L2xHank2eEV3aSt0NTB0MUZpeHB2R2RxVWc0?= =?utf-8?Q?jdJMUK6lA0iuU?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AS4PR10MB6181.EURPRD10.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?RDE4bTFEK3JkaExpbm8xaTNCU1VoMjBuaC9wb1ZTU2VUdFJTd005anljcG44?= =?utf-8?B?WHZxUkhJWG5TYXVTeDFZUlFkL01EbW9yc2VQR2g2eVVRQjhvak5NYnkyaE94?= =?utf-8?B?TU5Odno3WEt1V1JkdFVRUld6WjNnZEFBN1prbU1PMDIzb084RWZhdmRMNWc2?= =?utf-8?B?OVNXYWZRUUxnUUxNRmJtRlpGTGQ2aXp4bnFTSm1Db3V4azNOL2w3VENGM051?= =?utf-8?B?T3pMSCtNcUNxU0NqTVhWanRPa1RXMlE3OGtzNGpsNEplUHN0amhIZEE4NTV1?= =?utf-8?B?RlFTVnhDVEsxZGtlb0FIZVNoQUpBNGFEbVc5NkE3d1E2d21HSnlXSjFOK2dq?= =?utf-8?B?OTREQy82ei9LbFhrUFFWZzBwU1ZZSGJ4UW1mcy9rR0J2Mkt2T0hOTldGMklv?= =?utf-8?B?QnlYUWJ5d2RnVENxZTl5TVJLU1I0ekdPQkE0TXlJelNIVXhoczBmWTBjWkNx?= =?utf-8?B?Zkl0cFpoUXlOZnR1cG8vNlZnek13QlIxU0lnL0syN2VhbExPRmM5ak9BbE8r?= =?utf-8?B?c3pzcnZIcjByWm13SW5UdjBUYW1HY3o5a3ZXRlFMQllJQ3ozYW12c2xOTWN6?= =?utf-8?B?QlVBUW9mSENYN1htTE1vWWFJQnhFdGVRdTA0TStoUGEvaGZQeFNtNnROVitp?= =?utf-8?B?TS90Tk90T0FXdjV6emhPTUQ1bTY4citKbEM3YWVNeGIxK2pMWDh0QkZKVFQv?= =?utf-8?B?aVhOY2taZFF5S042eGorTGRkd3ZId1loSGR1a2U3T3dhUFphR2Y1U1h4SWt0?= =?utf-8?B?Z29yUzBlT3JwWkZ4Zzl6ZzVoWHJxTFVpc3ppVTlKSVA0elN2clNIZ296WlFt?= =?utf-8?B?VC96MjdBd3p5UlJSNHZYZFE4YUpLZGcvZXBZZmh0M0NpcWVjTnBHcWFGeVNo?= =?utf-8?B?WUR1OXBKRjlRN0YxZ1Btbm9ZNzBnejUvR0tnQ0ZrblQ4WU5WejIwc3lXMEdD?= =?utf-8?B?NnVuenRidk5JSXhTRWFYcmRocFhuZGdvYml6Vjh3bGFZS0ZxSmo4RUhvM21z?= =?utf-8?B?c3pEeHJ3NExqR3pDK2ZsTm9TWGJXenFZelorYWNId09TUEdFOGpoTFdzSWxF?= =?utf-8?B?amFJeEloZFk0eDZBcHc0QWNDbWxuVzZaVnNLeVFtZlpVcUZYdVVoZGErMFFq?= =?utf-8?B?ZlMzMTFFM3NnY0lkT1E4cXB0WlgwZ0U5cThRNXJ2aEIxUUFKM2IyVVI3QThh?= =?utf-8?B?UklTc1BNZTRjTWxqeG1NTERlOS9pZmd2VTNDSmR2RDVsYkZUeWNuT0VvZFh6?= =?utf-8?B?SWgrdFk3c2ltWjk5dnZqUTZnbDVGdkZuTktTTGxGVHR4bEs5TXU0RERweHV3?= =?utf-8?B?NFBadkJCd3U5NTRLcHF4US9vam9tUnFEdVNKbWovaFUzclRXQzA0ZTVnSTRt?= =?utf-8?B?bVBXNmdNOTRMUElWbXg0QTc3Q2JWclVoNS9uTjZ5NkFPYzdBVDkweWZLcjN0?= =?utf-8?B?Z0lmMlNWaS9Dcm5KVGw4N216aUY5cTk3M1l6cTBVMHJEdmpNa3B5WnpLSkR2?= =?utf-8?B?aEFJOWh0YXluczUrdXJ4NzAxQ2puOW5WbFAydGdrczYwa1pSd0x0cUwvMnRp?= =?utf-8?B?Z3NtVjlsVFdtM2preS94NkVHRkUwK2VSTERISGVJUDV1d1d4UHFtcWh2YWdK?= =?utf-8?B?M2ZZcWU4WXBFQTNDNWZVRDVick1CRkpjaEZ4TStLSHBnUG9PTXEvM2dSQWd2?= =?utf-8?B?UmpjVDVZM3RtNitTc3l1a1BvcU1yclhaWi9VOHB0cXhMczB3b2Y5UWF0MkJH?= =?utf-8?B?SUtMVm1aZFVhT0JKVng3RG8rSHlBK2xoWk9vY0hBaDVtSXdmS1BkWkdyVXFT?= =?utf-8?B?eDdQRUZoT0V4YWF2V1ZnR01VSnBHVDMvWnlzY0JRbDVYZzIyVWRVT0hiZTlV?= =?utf-8?B?Y2NxbU1EMDlVTHVjRG5UQXZtZEo2eXc3Yk9NNHl4OEV5cjZFNEErSCtaQjR4?= =?utf-8?B?ZjFQY2RUWE5NOU1tUGxjaW1DazdRbk13WXB6blBjbVJYbm9aWjVBd1dyQytv?= =?utf-8?B?MlV6ZTNzQmVUMDJZenVpR00rVFdOT0EvRDRlRjZQV01ZdnNKZ3VwR0xENnlx?= =?utf-8?B?YjhiWHQyb1ozUk5FeVlOSmQxUjhJZFk2TVIveVpFeUx3ZVppajdXMnhTOG5k?= =?utf-8?B?TDF2c05iV2Z5aktrd3N6Z0xrbW9rRXozM0tPamZYUVg3dXBUeHppWVJpbmlP?= =?utf-8?B?OUE9PQ==?= X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-Network-Message-Id: e6490200-b454-407e-db3b-08dd5297fefb X-MS-Exchange-CrossTenant-AuthSource: AS4PR10MB6181.EURPRD10.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Feb 2025 16:51:33.0242 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 38ae3bcd-9579-4fd4-adda-b42e1495d55a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: +0iDdzo+XWOwZXKIh9IrCx+QYCxqexq9AkCmkwrsWPHhojBPpy6SQDEtixN4idxyBHcrwaTh+Y0T4TfhptiW8g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS1PR10MB5748 On 20.02.25 13:23, Brendan Jackman wrote: > We currently have $lx_per_cpu() which works fine for stuff that kernel > code would access via per_cpu(). But this doesn't work for stuff that > kernel code accesses via per_cpu_ptr(): > > (gdb) p $lx_per_cpu(node_data[1].node_zones[2]->per_cpu_pageset) > Cannot access memory at address 0xffff11105fbd6c28 > > This is because we take the address of the pointer and use that as the > offset, instead of using the stored value. > > Add a GDB version that mirrors the kernel API, which uses the pointer > value. > > To be consistent with per_cpu_ptr(), we need to return the pointer value > instead of dereferencing it for the user. Therefore, move the existing > dereference out of the per_cpu() Python helper and do that only in the > $lx_per_cpu() implementation. > > Signed-off-by: Brendan Jackman > --- > Since I think this is an uncontroversial patch I'm sending v2 > immediately instead of waiting for more review comments. If that's > annoying, let me know and I'll wait a few days next time :) > > Changes in v2: > - Formatting fixup (was missing a blank line) > - Link to v1: https://lore.kernel.org/r/20250219-lx-per-cpu-ptr-v1-1-b4492fc471e7@google.com > --- > scripts/gdb/linux/cpus.py | 22 ++++++++++++++++++++-- > 1 file changed, 20 insertions(+), 2 deletions(-) > > diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py > index 13eb8b3901b8fc5e2500138c7d204ac5f7c9858c..1a50a4195def6a82f1391f5e162a5d063e794db8 100644 > --- a/scripts/gdb/linux/cpus.py > +++ b/scripts/gdb/linux/cpus.py > @@ -46,7 +46,7 @@ def per_cpu(var_ptr, cpu): > # !CONFIG_SMP case > offset = 0 > pointer = var_ptr.cast(utils.get_long_type()) + offset > - return pointer.cast(var_ptr.type).dereference() > + return pointer.cast(var_ptr.type) > > > cpu_mask = {} > @@ -149,11 +149,29 @@ Note that VAR has to be quoted as string.""" > super(PerCpu, self).__init__("lx_per_cpu") > > def invoke(self, var, cpu=-1): > - return per_cpu(var.address, cpu) > + return per_cpu(var.address, cpu).dereference() > > > PerCpu() > > + > +class PerCpuPtr(gdb.Function): > + """Return per-cpu pointer. > + > +$lx_per_cpu_ptr("VAR"[, CPU]): Return the per-cpu pointer called VAR for the > +given CPU number. If CPU is omitted, the CPU of the current context is used. > +Note that VAR has to be quoted as string.""" > + > + def __init__(self): > + super(PerCpuPtr, self).__init__("lx_per_cpu_ptr") > + > + def invoke(self, var, cpu=-1): > + return per_cpu(var, cpu) > + > + > +PerCpuPtr() > + > + > def get_current_task(cpu): > task_ptr_type = task_type.get_type().pointer() > > > --- > base-commit: f527c5c2abb60ddfd6b929d479b985071500419d > change-id: 20250219-lx-per-cpu-ptr-c9dfd3098721 > > Best regards, Reviewed-by: Jan Kiszka Jan -- Siemens AG, Foundational Technologies Linux Expert Center