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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Mar 2025 22:03:53.0122 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 887ec4ab-1538-41c1-2ed5-08dd5cfac86c 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN3PEPF0000B370.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB8613 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1741298657766019100 Content-Type: text/plain; charset="utf-8" Assign domid 0 to the hwdom. Normally, dom0less does not use domid 0. This fixes using the Xen console which assumes domid 0 to use the hypercall interface. Signed-off-by: Jason Andryuk --- xen/arch/arm/dom0less-build.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/xen/arch/arm/dom0less-build.c b/xen/arch/arm/dom0less-build.c index e539bcc762..5a7871939b 100644 --- a/xen/arch/arm/dom0less-build.c +++ b/xen/arch/arm/dom0less-build.c @@ -969,6 +969,7 @@ void __init create_domUs(void) dt_for_each_child_node(chosen, node) { struct domain *d; + domid_t domid; struct xen_domctl_createdomain d_cfg =3D { .arch.gic_version =3D XEN_DOMCTL_CONFIG_GIC_NATIVE, .flags =3D XEN_DOMCTL_CDF_hvm | XEN_DOMCTL_CDF_hap, @@ -1121,7 +1122,12 @@ void __init create_domUs(void) * very important to use the pre-increment operator to call * domain_create() with a domid > 0. (domid =3D=3D 0 is reserved f= or Dom0) */ - d =3D domain_create(++max_init_domid, &d_cfg, flags); + if ( flags & CDF_hardware ) + domid =3D 0; + else + domid =3D ++max_init_domid; + + d =3D domain_create(domid, &d_cfg, flags); if ( IS_ERR(d) ) panic("Error creating domain %s (rc =3D %ld)\n", dt_node_name(node), PTR_ERR(d)); --=20 2.48.1