Message ID | 20220523062525.2504290-4-wei.chen@arm.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show
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h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=+h4lby9uhtIt+w9bPcDu7mqnxP5TtPdNw4xy2M6UuS8=; b=XdW+R8RNyJMX5YmOufsq/CthT6YyujFW95cvy2ueGGrkpDblMBEF5/1BR7M/z4jDCmE7X/EdalaouqIGeV1lLx4bpF//zvck9NVbGfp6oHYXTAslN+ejJK9cYqK+MOBeadaNMOI/gUHYx9uwUHMoR1+Rm3rlXebWYbVGaOek4bk= X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 40.67.248.234) smtp.mailfrom=arm.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 40.67.248.234 as permitted sender) receiver=protection.outlook.com; client-ip=40.67.248.234; helo=nebula.arm.com; pr=C From: Wei Chen <wei.chen@arm.com> To: <xen-devel@lists.xenproject.org> CC: <nd@arm.com>, Wei Chen <wei.chen@arm.com>, Stefano Stabellini <sstabellini@kernel.org>, Julien Grall <julien@xen.org>, Bertrand Marquis <bertrand.marquis@arm.com>, Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>, Andrew Cooper <andrew.cooper3@citrix.com>, George Dunlap <george.dunlap@citrix.com>, Jan Beulich <jbeulich@suse.com>, Wei Liu <wl@xen.org>, =?utf-8?q?Roger_Pau_Monn=C3=A9?= <roger.pau@citrix.com>, Jiamei Xie <jiamei.xie@arm.com> Subject: [PATCH v4 3/8] xen: introduce an arch helper for default dma zone status Date: Mon, 23 May 2022 14:25:20 +0800 Message-ID: <20220523062525.2504290-4-wei.chen@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220523062525.2504290-1-wei.chen@arm.com> References: <20220523062525.2504290-1-wei.chen@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 1 X-MS-Office365-Filtering-Correlation-Id: a81e30a7-b06e-49ce-bca8-08da3c8520fa X-MS-TrafficTypeDiagnostic: DBAPR08MB5590:EE_|DBAEUR03FT037:EE_|AM9PR08MB6802:EE_ X-Microsoft-Antispam-PRVS: <AM9PR08MB6802F0CCE84E25AD9FA18CC59ED49@AM9PR08MB6802.eurprd08.prod.outlook.com> x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; 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Device tree based NUMA support for Arm - Part#1
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diff --git a/xen/arch/arm/include/asm/numa.h b/xen/arch/arm/include/asm/numa.h index 31a6de4e23..e4c4d89192 100644 --- a/xen/arch/arm/include/asm/numa.h +++ b/xen/arch/arm/include/asm/numa.h @@ -24,6 +24,7 @@ extern mfn_t first_valid_mfn; #define node_spanned_pages(nid) (max_page - mfn_x(first_valid_mfn)) #define node_start_pfn(nid) (mfn_x(first_valid_mfn)) #define __node_distance(a, b) (20) +#define arch_want_default_dmazone() (false) #endif /* __ARCH_ARM_NUMA_H */ /* diff --git a/xen/arch/x86/include/asm/numa.h b/xen/arch/x86/include/asm/numa.h index bada2c0bb9..5d8385f2e1 100644 --- a/xen/arch/x86/include/asm/numa.h +++ b/xen/arch/x86/include/asm/numa.h @@ -74,6 +74,7 @@ static inline __attribute__((pure)) nodeid_t phys_to_nid(paddr_t addr) #define node_spanned_pages(nid) (NODE_DATA(nid)->node_spanned_pages) #define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \ NODE_DATA(nid)->node_spanned_pages) +#define arch_want_default_dmazone() (num_online_nodes() > 1) extern int valid_numa_range(u64 start, u64 end, nodeid_t node); diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c index 319029140f..b3bddc719b 100644 --- a/xen/common/page_alloc.c +++ b/xen/common/page_alloc.c @@ -1889,7 +1889,7 @@ void __init end_boot_allocator(void) } nr_bootmem_regions = 0; - if ( !dma_bitsize && (num_online_nodes() > 1) ) + if ( !dma_bitsize && arch_want_default_dmazone() ) dma_bitsize = arch_get_dma_bitsize(); printk("Domain heap initialised");