write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/xen/cpu_hotplug.c
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@@ -93,10 +93,8 @@
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 	(void)register_xenbus_watch(&cpu_watch);
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 	for_each_possible_cpu(cpu) {
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-		if (vcpu_online(cpu) == 0) {
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-			(void)cpu_down(cpu);
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-			set_cpu_present(cpu, false);
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-		}
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+		if (vcpu_online(cpu) == 0)
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+			disable_hotplug_cpu(cpu);
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 	}
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 	return NOTIFY_DONE;
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@@ -119,5 +117,5 @@
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 	return 0;
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 }
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-arch_initcall(setup_vcpu_hotplug_event);
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+late_initcall(setup_vcpu_hotplug_event);
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