Re: [PATCH v9 1/8] x86/apic/x2apic: Allow CPU cluster_mask to be populated in parallel

From: Kim Phillips
Date: Thu Feb 16 2023 - 15:58:22 EST


On 2/15/23 8:54 AM, Usama Arif wrote:
-
- cluster_hotplug_mask = kzalloc_node(sizeof(*cluster_hotplug_mask),
- GFP_KERNEL, node);
- if (!cluster_hotplug_mask)
- return -ENOMEM;
- cluster_hotplug_mask->node = node;
- return 0;
+ /*
+ * No CPU in the cluster has ever been initialized, so fall through to
+ * the boot time code which will also populate the cluster mask for any
+ * other CPU in the cluster which is (now) present.
+ */
+ alloc:
+ cmsk = kzalloc_node(sizeof(*cmsk), GFP_KERNEL, node);
+ if (!cmsk)
+ return -ENOMEM;

.git/rebase-apply/patch:167: space before tab in indent.
return -ENOMEM;

+ per_cpu(cluster_masks, cpu) = cmsk;
+ prefill_clustermask(cmsk, cpu, cluster);
+
+ return 0;

.git/rebase-apply/patch:171: space before tab in indent.
return 0;
warning: 2 lines add whitespace errors.

Other than that:

Tested-by: Kim Phillips <kim.phillips@xxxxxxx>

Thanks,

Kim