From nobody Mon Nov 3 01:04:01 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=amd.com); dmarc=pass(p=quarantine dis=none) header.from=amd.com ARC-Seal: i=2; a=rsa-sha256; t=1736323076; cv=pass; d=zohomail.com; s=zohoarc; b=HgL6cwvaGM7NboQMJMhRjbUZ4ylpAKHYiAkvrKDdzhNEFGL0u9vzKcNQpYdfkUSQW1JZ6GlnSK5o+K0h7yQG2AZbSWRaJ+tw5OeEN95dh+vhUeNiS2rj8RjL4PDm3cGjP5jAtSuklrF/aR58fl6kOn6B99aHc8mZaPaYwgba9PA= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1736323076; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=AMBfchd/5Our57Z312dT0WCT9dM6EG4jVn22t+Qcvs4=; b=RGTZbQx0yiFFPs98eJHqO1QxuxUbXqEvS2dXMzjSyC5+9mCTaA5lE2H7VVwyR/G8om/xiLPLJpxm2IzKyWDZHTbgOdHirr2Ah4kUXHxGA672YS2pf7ZGrXqtYAORxGG5L0FlK+Bvwpzt/xUiGg6amtPApKwZD9W4Da+hjE5nnvM= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=amd.com); dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1736323076791182.5725664642788; Tue, 7 Jan 2025 23:57:56 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.866941.1278324 (Exim 4.92) (envelope-from ) id 1tVQwb-0001Yn-RN; Wed, 08 Jan 2025 07:57:37 +0000 Received: by outflank-mailman (output) from mailman id 866941.1278324; Wed, 08 Jan 2025 07:57:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tVQwb-0001Yg-Nk; Wed, 08 Jan 2025 07:57:37 +0000 Received: by outflank-mailman (input) for mailman id 866941; Wed, 08 Jan 2025 07:57:36 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tVQwa-0001Ya-Eo for xen-devel@lists.xenproject.org; Wed, 08 Jan 2025 07:57:36 +0000 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (mail-mw2nam12on20614.outbound.protection.outlook.com [2a01:111:f403:200a::614]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 37baebbf-cd96-11ef-a0df-8be0dac302b0; Wed, 08 Jan 2025 08:57:35 +0100 (CET) Received: from SJ0PR05CA0122.namprd05.prod.outlook.com (2603:10b6:a03:33d::7) by LV3PR12MB9412.namprd12.prod.outlook.com (2603:10b6:408:211::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8335.10; Wed, 8 Jan 2025 07:57:30 +0000 Received: from SJ1PEPF00002310.namprd03.prod.outlook.com (2603:10b6:a03:33d:cafe::b6) by SJ0PR05CA0122.outlook.office365.com (2603:10b6:a03:33d::7) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8251.17 via Frontend Transport; Wed, 8 Jan 2025 07:57:29 +0000 Received: from SATLEXMB04.amd.com (165.204.84.17) by SJ1PEPF00002310.mail.protection.outlook.com (10.167.242.164) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8335.7 via Frontend Transport; Wed, 8 Jan 2025 07:57:29 +0000 Received: from SATLEXMB05.amd.com (10.181.40.146) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Wed, 8 Jan 2025 01:57:28 -0600 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB05.amd.com (10.181.40.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Wed, 8 Jan 2025 01:57:28 -0600 Received: from XIR-MICHALO-L1.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2507.39 via Frontend Transport; Wed, 8 Jan 2025 01:57:26 -0600 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 37baebbf-cd96-11ef-a0df-8be0dac302b0 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=uKbHv1urItayJlibtDVWyRpC1PQ9xokreZEwIBPdO5WPkoXLlGJfwlYmnpntwUjfZhLbstI66QnVxoJIViD85A1/MlbwjT8fOj/E+6ZJyEB/++L+5gbYG0s1bkuQBqiLSem9vaBG/mHeDt2gd1aGgRZ2gxBFnxvL5KADxsoV2AOmTg7uqI9hSo/MOzbfhhsQ2DQ1b/QQNA/NEwqqGqhElxQljXqkA7m9pb4U+4JWOZwSGp0W9yjjkLqfz5bg/MiGbXv9zi/W7hse/zFS2WVIyp7tORrTzRj1/1Y3Yq6IkJnJfrUpRr8SVYhnO0yjruz6x6BvpN1VsR15nC9+5pP+aA== 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=AMBfchd/5Our57Z312dT0WCT9dM6EG4jVn22t+Qcvs4=; b=PtgSX83qI0bx/gyGfXmC7+LucDQ75v/RRFjjYY7tq6gc3RNguyMYry1Wn3hm8JxMUft8L/XZ3JmSTeRnejezuulg//w0iWRpRXRtdCNXJ1lcjV2U3ypuQHyWHi0RFAVCP7qfyVAUNU2iaYOdNyPCcD5kxhMiTmqVZN/CIR3QTOQQ3hFIEYgCAbs+1GXEOIzHP7A3emjZCLNSKVNb8hm8bTIeaZ4zLIl19PyFPC8m2n1jseJEd0mmFvug+I0A+YQv7bC3kt6/aPVYbRj22owvWi61iDou9AWEYNSBXPMAY9yYRXIrYJz6kd+7LSHUiWjb8nDrRpKJHiMi7TZheCkd3w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=lists.xenproject.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=AMBfchd/5Our57Z312dT0WCT9dM6EG4jVn22t+Qcvs4=; b=h+bT2lMQ3PP6VAuVGAcb42ugAH+x5RCpfvFyoeJ3tjb+ez2XAoBiVsWJoWw9vWVxLM4RxJNHE5QozDx3GDl/0W8FcwnFqOukCnXcajXN+YH0IDAYFjk7u0seNLR4Z2PRcqyeqqO934wNBFF8RhL/d5HeDDyGh5dElDfatKCJeQw= X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C From: Michal Orzel To: CC: Michal Orzel , Stefano Stabellini , Julien Grall , Bertrand Marquis , Volodymyr Babchuk , Subject: [for-4.20][PATCH] xen/arm64: Drop relocate_and_switch_ttbr() stub Date: Wed, 8 Jan 2025 08:57:19 +0100 Message-ID: <20250108075719.84967-1-michal.orzel@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: None (SATLEXMB05.amd.com: michal.orzel@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00002310:EE_|LV3PR12MB9412:EE_ X-MS-Office365-Filtering-Correlation-Id: 2377795a-3724-4356-2404-08dd2fba197d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|376014|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?YBRyyQy7OMUJRld289fZgAfWVq5hY24gz9WUTtKNu3f2NDd5SuusYcG5LDTo?= =?us-ascii?Q?kuiSYomzYCSiylLAMqSq3liTSo25/3SYDqM1pkOWOVAawCp9zcS0H4EGDb70?= =?us-ascii?Q?s2O/IssyVtkpJ1fsaFzh0s74CUKbTU/od7t1AWKMrs23PPivxpiMilInUAIm?= =?us-ascii?Q?cxM9jIdQzo2xf44QrurFh9b1ZyPopB0CGLDX6kQDbr4pnQS0XIdMdDgMO+1y?= =?us-ascii?Q?ahf58paNtj35y+C3w4S/qo0Y2g6WndYznnWpDOcLFzJqiQlwGNImPxCqs6UK?= =?us-ascii?Q?j3o6wL02sWx16r29bI3rWCbAIE57vE5PAv6LOLtVPkqaVOWDhWaQVWXO+fos?= =?us-ascii?Q?d2LeTI2oaKDXmPuniKtmv46xf3/RGxrRkMTuhXm57vxbzCnTaxyLbDUdsE3k?= =?us-ascii?Q?Dc1qZ2yCSALiSsv5G/BGNKql6IaW9iLXV04ujJQN+GmdhKDioDHXqiM6zGbh?= =?us-ascii?Q?BFsvUCMi4pE2+rq3A+eEoYiUV36DdzyPYsEUNQBHtwhi4ByWsH0KQ9AAiPzj?= =?us-ascii?Q?nkaEcPGc3v4Y83qNRLlxyCAhEBY1jN2ZohU01JwiTT4flQltpHE63JDFjDns?= =?us-ascii?Q?fzurBfgvWwtsGvb6r80qk/tNZOM3njmgbVw2U2WEVX0qoclT7eCon/Q7Z6G8?= =?us-ascii?Q?ImsbH9zeV4FZ2sOauFp8w/Vh/vwd30y21lrsQNdOgO700eoa51QOn37cb/lU?= =?us-ascii?Q?ZqAVOr0HRLancL+ejLqpd1rOPtvRIIKLHjLQbr/fLlrt0roUj5kts2ZzjcMd?= =?us-ascii?Q?laTwWK/nJZtBYqhWPufh8fQP7WDRg4zcWaj0FTQagRZbpZ3ALS0XJ7vksjgC?= =?us-ascii?Q?x9DukFw9G2HfCOEUz2qWoXvnyJdkZhT4Df3O5n4mxBMoHf2MaW2mijFlFhKe?= =?us-ascii?Q?NH8SD5RDPh1Z3eGKUWlQYV4NHeU0WBkiEBil0frbVixem8th5kfi55TZnZSl?= =?us-ascii?Q?XUzcPW8d1rOnsrjCgah/i9FZfXXKfJk9dYDe0iKHXSm2t3oqyTCGG2cpQbTD?= =?us-ascii?Q?2AEz7qsspMTO78bR/x+IMAMXPeDNt6HLRJDo32H9FnUxHxbzzFZV//2cEuzS?= =?us-ascii?Q?hWfNOpMtamAucUrXXPym893vVKOlnm3q8vjY+vgBnh4nwuiMkQw0MrwRtn+b?= =?us-ascii?Q?iWesSrt/qvpskavY3CzmnWSxEVeNNjX067U7tvmxu1xCoEifBBE1//QoBDrI?= =?us-ascii?Q?FH3KDUJoab9vPzkqVaDJ7yEDg/SIQr0KwP9BumRKt8P9wp/7uFBR+QpYvAii?= =?us-ascii?Q?lw78PZ+xvQ9bon2z0S/6HWdni5wFHOY5v9c/S1PSxZ8p7P/Z0GTeUyPJhfaC?= =?us-ascii?Q?735tngrZ2/P+RZBW/qThA+NMFfYd1mx1WQlMYU794i3VxSPknXSia9DRyrB8?= =?us-ascii?Q?czvXWZE8tHbX8QRq9Vn8WlCU6oZd97aPPrKWEuiYinwf8EGqDkoFbsIeJ4l0?= =?us-ascii?Q?qTVS7p+u/BhZL/MExNvaEti+zfabIkPLZC8+aPCUFSRzGDFj6E2Gb5lek5fX?= =?us-ascii?Q?vcRWihBwUA5hmB0=3D?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(36860700013)(376014)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jan 2025 07:57:29.2970 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2377795a-3724-4356-2404-08dd2fba197d X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002310.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV3PR12MB9412 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1736323078560116600 Content-Type: text/plain; charset="utf-8" In the original patch e7a80636f16e ("xen/arm: add cache coloring support for Xen image"), the stub was added under wrong assumption that DCE won't remove the function call if it's not static. This assumption is incorrect as we already rely on DCE for cases like this one. Therefore drop the stub, that otherwise would be a place potentially prone to errors in the future. Suggested-by: Julien Grall Signed-off-by: Michal Orzel Reviewed-by: Bertrand Marquis Reviewed-by: Luca Fancellu Reviewed-by: Luca Fancellu --- As suggested by Julien, we should have it for 4.20. Leaving a stub like that without something like BUG_ON inside can potentially lead to problems in the future provided the function misuse slipped through the review process. --- xen/arch/arm/arm64/mmu/mm.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/xen/arch/arm/arm64/mmu/mm.c b/xen/arch/arm/arm64/mmu/mm.c index 26361c4fe4c0..c1efa1348aee 100644 --- a/xen/arch/arm/arm64/mmu/mm.c +++ b/xen/arch/arm/arm64/mmu/mm.c @@ -171,8 +171,6 @@ void __init relocate_and_switch_ttbr(uint64_t ttbr) */ update_identity_mapping(false); } -#else -void __init relocate_and_switch_ttbr(uint64_t ttbr) {} #endif =20 void __init switch_ttbr(uint64_t ttbr) --=20 2.25.1