[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v2 20/24] xen/arm: Export Dom0 vCPU-to-NUMA node mapping to Device Tree
- To: xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Hirokazu Takahashi <taka@xxxxxxxxxxxxx>
- Date: Mon, 1 Jun 2026 07:47:50 +0900
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=valinux.co.jp; dmarc=pass action=none header.from=valinux.co.jp; dkim=pass header.d=valinux.co.jp; arc=none
- 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=W9KK8YwpRHhqIreVEfhPTKBReSTnp2RvVZda1V4U6DE=; b=f/XiGkWHTI+66a9YFCaKJu/v0GYo8VwGk2tQIehSpa2nZ1encmmW6lz4dLLuWrL8p3Nllr/AurkXyzsnZNs/MrcdHFQB0rkYuPp5Yy/qRUx3cskBWO17u/bwXRkqrCM7+DEPdl4BO7FEEmAB+AbTGu7jXgvd/EBv2VZ2ChSZTAxQonfCoFfcDr/AUn3Y0e1PRuOE+MbUlHo6LBdm4G29SJJfZ2iM098AOlncMcKL6s4b3RmfMeP1Jn7OBzQtMx/6La39Fu0SXkCrbLzKzFitKlDbjvLAF9jMLs3nC5TGZ3VFClujcPCe2BjH+wSd03un32tlLCfFGeaE21T0qHbj5Q==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=HiIbPPLYHuFi/y3k6XctHZpvOYdJYgk5tcredRJyaiNz6KAhpuEpNhlhE6dfrebrBMOlUSV0s+2ZEAOiKInm+vROe3JqRsmnijWZrGwcWXHLtIczPreYOxa+i/ECwd+wBHFDr/XoweAmBVpjmWe2UcHUp91+aeinGqhfcqe+7CzANV8oTIQOaCUGufHktGulFwqYPze+AWax5KlTNnqkGHMsttrt7CxfKWVxUsSPuHzxBEQ60pZ3y4zFH2UrAk20xk3774b/OOp7OJ7PavOv8QqMd/XOTVZqEDDtxG3UQyjT200PDsNtZ72IoNGepShAcb3RqxWIX166ihpwkcNxPA==
- Authentication-results: eu.smtp.expurgate.cloud; dkim=pass header.s=selector1 header.d=valinux.co.jp header.i="@valinux.co.jp" header.h="From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck"
- Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=valinux.co.jp;
- Cc: Hirokazu Takahashi <taka@xxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Sun, 31 May 2026 22:48:44 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Export the mapping between Domain-0 vCPUs and their assigned NUMA nodes
into the Device Tree generated for Domain-0.
---
xen/arch/arm/domain_build.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index a62adafa19..750c3d53c2 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -1373,6 +1373,14 @@ int __init make_cpus_node(const struct domain *d, struct
kernel_info *kinfo)
return res;
}
+ if ( IS_ENABLED(CONFIG_NUMA) )
+ {
+ nodeid_t target_node = dom0_vcpu_to_node(d, cpu);
+ res = fdt_property_u32(fdt, "numa-node-id", target_node);
+ if ( res )
+ return res;
+ }
+
res = fdt_end_node(fdt);
if ( res )
return res;
--
2.43.0
|
