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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Mar 2025 21:58:33.2833 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 946f0b55-61cd-4725-4c94-08dd5c30df6d 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000F0E2.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR12MB4364 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1741211945272019100 Content-Type: text/plain; charset="utf-8" The trailing / in the path is incorrect and generates an error when writing to xenstore: Checking domid: 1 Init dom0less domain: 1 init-dom0less: writing to xenstore: No error information init-dom0less exits without finishing initialization. vcpu_max_id is an inclusive value, so it should be included in the loop's range to include all vcpus. Without this, no xenstore entries are created for a 1 vcpu domain. Finally, use vcpu_online, the count of online vcpus, to determine online vs. offline. info->cpupool is a cpupool id and not a bitmask. Fixes: ec53e0c4ea ("tools: add example application to initialize dom0less P= V drivers") Signed-off-by: Jason Andryuk Reviewed-by: Michal Orzel --- tools/helpers/init-dom0less.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/helpers/init-dom0less.c b/tools/helpers/init-dom0less.c index 17579fe2e8..c569a890a0 100644 --- a/tools/helpers/init-dom0less.c +++ b/tools/helpers/init-dom0less.c @@ -182,13 +182,13 @@ retry_transaction: if (!do_xs_write_dom(xsh, t, domid, "vm", vm_val_str)) goto err; if (!do_xs_write_dom(xsh, t, domid, "name", dom_name_str)) goto err; if (!do_xs_write_dom(xsh, t, domid, "cpu", "")) goto err; - for (i =3D 0; i < info->vcpu_max_id; i++) { - rc =3D snprintf(cpu_str, STR_MAX_LENGTH, "cpu/%u/availability/", i= ); + for (i =3D 0; i <=3D info->vcpu_max_id; i++) { + rc =3D snprintf(cpu_str, STR_MAX_LENGTH, "cpu/%u/availability", i); if (rc < 0 || rc >=3D STR_MAX_LENGTH) goto err; rc =3D -EIO; if (!do_xs_write_dom(xsh, t, domid, cpu_str, - (info->cpupool & (1 << i)) ? "online" : "offl= ine")) + i < info->vcpu_online ? "online" : "offline")) goto err; } =20 --=20 2.48.1