From nobody Mon Feb 9 19:54:12 2026 Delivered-To: importer@patchew.org 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; Authentication-Results: mx.zohomail.com; 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; dmarc=fail(p=none dis=none) header.from=arm.com Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1685327282097305.63712300570194; Sun, 28 May 2023 19:28:02 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.540488.842290 (Exim 4.92) (envelope-from ) id 1q3Sbm-0004g1-Ei; Mon, 29 May 2023 02:27:42 +0000 Received: by outflank-mailman (output) from mailman id 540488.842290; Mon, 29 May 2023 02:27:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1q3Sbm-0004fu-Bf; Mon, 29 May 2023 02:27:42 +0000 Received: by outflank-mailman (input) for mailman id 540488; Mon, 29 May 2023 02:27:40 +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 1q3SUd-0005T2-7U for xen-devel@lists.xenproject.org; Mon, 29 May 2023 02:20:19 +0000 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by se1-gles-sth1.inumbo.com (Halon) with ESMTP id 5aecbb5a-fdc7-11ed-b231-6b7b168915f2; Mon, 29 May 2023 04:20:18 +0200 (CEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 55B2FAB6; Sun, 28 May 2023 19:21:03 -0700 (PDT) Received: from a015966.shanghai.arm.com (a015966.shanghai.arm.com [10.169.190.5]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id B1E103F64C; Sun, 28 May 2023 19:20:15 -0700 (PDT) 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: 5aecbb5a-fdc7-11ed-b231-6b7b168915f2 From: Henry Wang To: xen-devel@lists.xenproject.org Cc: Wei Chen , Stefano Stabellini , Julien Grall , Bertrand Marquis , Volodymyr Babchuk , Henry Wang Subject: [PATCH v5 13/17] xen/arm: implement numa_node_to_arch_nid for device tree NUMA Date: Mon, 29 May 2023 10:19:17 +0800 Message-Id: <20230529021921.2606623-14-Henry.Wang@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230529021921.2606623-1-Henry.Wang@arm.com> References: <20230529021921.2606623-1-Henry.Wang@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZM-MESSAGEID: 1685327283477100005 Content-Type: text/plain; charset="utf-8" From: Wei Chen 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 Signed-off-by: Henry Wang --- v4 -> v5: 1. No change. v3 -> v4: 1. No change. v2 -> v3: 1. No change. 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/num= a.h index 55ac4665db..71b95a9a62 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); =20 +/* + * 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 =20 /* Fake one node for now. See also node_online_map. */ --=20 2.25.1