From: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Date: Thu, 22 Mar 2012 11:29:11 +0000 (+0530)
Subject: tile/CPU hotplug: Add missing call to notify_cpu_starting()
X-Git-Tag: next-20120411~64^2~22
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=da2398a5390bf163ac942f425fac7b3128563709;p=karo-tx-linux.git

tile/CPU hotplug: Add missing call to notify_cpu_starting()

The scheduler depends on receiving the CPU_STARTING notification, without
which we end up into a lot of trouble. So add the missing call to
notify_cpu_starting() in the bringup code.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
---

diff --git a/arch/tile/kernel/smpboot.c b/arch/tile/kernel/smpboot.c
index b949edcec200..172aef7d3159 100644
--- a/arch/tile/kernel/smpboot.c
+++ b/arch/tile/kernel/smpboot.c
@@ -196,6 +196,8 @@ void __cpuinit online_secondary(void)
 	/* This must be done before setting cpu_online_mask */
 	wmb();
 
+	notify_cpu_starting(smp_processor_id());
+
 	/*
 	 * We need to hold call_lock, so there is no inconsistency
 	 * between the time smp_call_function() determines number of