X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=kernel%2Fcpu.c;h=9ced7c7516481f05549c48e6b2d3ae1bf5f36f61;hb=f064782cc6750e31d178dc31d34b0ef3c8a5e8d7;hp=37731292f8a160581fb1309984ad754effe12306;hpb=fbcc24698c3040c28f358bc7ffb669290309d63f;p=firefly-linux-kernel-4.4.55.git

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 37731292f8a1..9ced7c751648 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -627,6 +627,7 @@ void __weak arch_enable_nonboot_cpus_end(void)
 void enable_nonboot_cpus(void)
 {
 	int cpu, error;
+	struct device *cpu_device;
 
 	/* Allow everyone to use the CPU hotplug again */
 	cpu_maps_update_begin();
@@ -644,6 +645,12 @@ void enable_nonboot_cpus(void)
 		trace_suspend_resume(TPS("CPU_ON"), cpu, false);
 		if (!error) {
 			pr_info("CPU%d is up\n", cpu);
+			cpu_device = get_cpu_device(cpu);
+			if (!cpu_device)
+				pr_err("%s: failed to get cpu%d device\n",
+				       __func__, cpu);
+			else
+				kobject_uevent(&cpu_device->kobj, KOBJ_ONLINE);
 			continue;
 		}
 		pr_warn("Error taking CPU%d up: %d\n", cpu, error);