X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=kernel%2Fkernel%2Fsched%2Fcore.c;h=799b75b273a29e3b7f5caf692b045cb797ea9ba8;hb=ec0a2ed6d8a5e555edef907895c041e285fdb495;hp=392aad4ec3d6db1d3b05c0ca7165e838c19f9c16;hpb=342fa5dfa053559f47caad657132522496dcf1b3;p=kvmfornfv.git

diff --git a/kernel/kernel/sched/core.c b/kernel/kernel/sched/core.c
index 392aad4ec..799b75b27 100644
--- a/kernel/kernel/sched/core.c
+++ b/kernel/kernel/sched/core.c
@@ -5672,6 +5672,14 @@ static int sched_cpu_active(struct notifier_block *nfb,
 	case CPU_STARTING:
 		set_cpu_rq_start_time();
 		return NOTIFY_OK;
+	case CPU_ONLINE:
+		/*
+		 * At this point a starting CPU has marked itself as online via
+		 * set_cpu_online(). But it might not yet have marked itself
+		 * as active, which is essential from here on.
+		 *
+		 * Thus, fall-through and help the starting CPU along.
+		 */
 	case CPU_DOWN_FAILED:
 		set_cpu_active((long)hcpu, true);
 		return NOTIFY_OK;