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bh=RmqowAx24OOOJpsd+S0aluwjNaHIyEOrBq4/krDyslU=; b=SWBERPDTKhdYc2VxczkT/Hx5JLZmPLs8ikpyOdrNHptJxA4Nf0yUv+pqd3xwdD/WP4JXPU992qTAZG4wmENPIqSlPvqYGmM5PQ6RsK99iAbYJSAxRENXSazSta5If9ttxEU8onb4Q09YnzZcw0V9vUyaUy05E8A16nbGdyF5y/8= 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: Ayan Kumar Halder To: CC: , , , , , , , , Ayan Kumar Halder Subject: [XEN v1 1/4] xen/arm: arm32: Move pt_enforce_wxn() so that it can be bundled with other MMU functionality Date: Mon, 11 Sep 2023 14:59:39 +0100 Message-ID: <20230911135942.791206-2-ayan.kumar.halder@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230911135942.791206-1-ayan.kumar.halder@amd.com> References: <20230911135942.791206-1-ayan.kumar.halder@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS2PEPF00003444:EE_|PH8PR12MB6842:EE_ X-MS-Office365-Filtering-Correlation-Id: ddf0bd6f-988c-4cd3-2564-08dbb2cf76f1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Sep 2023 14:00:32.5765 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ddf0bd6f-988c-4cd3-2564-08dbb2cf76f1 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: DS2PEPF00003444.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB6842 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1694440920456100001 Content-Type: text/plain; charset="utf-8" pt_enforce_wxn() is moved up (as the previous instruction ie mov_w has no effect on this). This way it is grouped with other MMU related functions so that they can be moved together in the subsequent patch. Signed-off-by: Ayan Kumar Halder --- This is based on my comment on "[PATCH v6 08/13] xen/arm: Fold mmu_init_secondary_cpu() to head.S". This patch can be ignored if the comment is addressed. xen/arch/arm/arm32/head.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/arm32/head.S b/xen/arch/arm/arm32/head.S index c7b2efb8f0..057c44a5a2 100644 --- a/xen/arch/arm/arm32/head.S +++ b/xen/arch/arm/arm32/head.S @@ -268,12 +268,12 @@ secondary_switched: dsb isb flush_xen_tlb_local r0 + pt_enforce_wxn r0 =20 #ifdef CONFIG_EARLY_PRINTK /* Use a virtual address to access the UART. */ mov_w r11, EARLY_UART_VIRTUAL_ADDRESS #endif - pt_enforce_wxn r0 PRINT("- Ready -\r\n") /* Jump to C world */ mov_w r2, start_secondary --=20 2.25.1