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helo=nebula.arm.com; pr=C From: Wei Chen To: CC: , Wei Chen , Stefano Stabellini , Julien Grall , Bertrand Marquis , Volodymyr Babchuk Subject: [PATCH v2 13/17] xen/arm: implement numa_node_to_arch_nid for device tree NUMA Date: Tue, 10 Jan 2023 16:49:26 +0800 Message-ID: <20230110084930.1095203-14-wei.chen@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230110084930.1095203-1-wei.chen@arm.com> References: <20230110084930.1095203-1-wei.chen@arm.com> MIME-Version: 1.0 X-EOPAttributedMessage: 1 X-MS-TrafficTypeDiagnostic: VI1EUR03FT037:EE_|AM9PR08MB5972:EE_|AM7EUR03FT013:EE_|AS2PR08MB9546:EE_ X-MS-Office365-Filtering-Correlation-Id: f51d712c-b003-4132-0f9a-08daf2e849c5 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:40.67.248.234;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:nebula.arm.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(346002)(376002)(136003)(39860400002)(396003)(451199015)(46966006)(36840700001)(5660300002)(4744005)(44832011)(8936002)(41300700001)(2906002)(36756003)(54906003)(83380400001)(8676002)(70586007)(70206006)(4326008)(316002)(6916009)(7696005)(26005)(81166007)(186003)(6666004)(86362001)(478600001)(336012)(1076003)(2616005)(40480700001)(47076005)(82740400003)(356005)(426003)(82310400005)(36860700001)(36900700001);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Jan 2023 08:54:30.9707 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f51d712c-b003-4132-0f9a-08daf2e849c5 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: AM7EUR03FT013.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS2PR08MB9546 Device tree based NUMA doesn't have the proximity domain like ACPI. So we can return node id directly as arch nid. Signed-off-by: Wei Chen --- v1 -> v2: 1. Use numa_node_to_arch_nid instead of dummy node_to_pxm. --- xen/arch/arm/include/asm/numa.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/xen/arch/arm/include/asm/numa.h b/xen/arch/arm/include/asm/numa.h index 34eec9378c..a0b8d7a11c 100644 --- a/xen/arch/arm/include/asm/numa.h +++ b/xen/arch/arm/include/asm/numa.h @@ -47,6 +47,15 @@ extern void numa_detect_cpu_node(unsigned int cpu); extern int numa_device_tree_init(const void *fdt); extern void numa_init(void); +/* + * Device tree NUMA doesn't have architecural node id. + * So we can just return node id as arch nid. + */ +static inline unsigned int numa_node_to_arch_nid(nodeid_t n) +{ + return n; +} + #else /* Fake one node for now. See also node_online_map. */