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authorSrivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>2012-03-22 15:28:25 +0400
committerRichard Kuo <rkuo@codeaurora.org>2012-04-23 21:57:11 +0400
commit57f27cca7ab59cec05adc85cef97e9b4f7d28d78 (patch)
tree132f2baff23e21c6c6e2e73b2e3285317a36c0cf
parente8e42a5cff0704e83151455307a9b0d78fb43b93 (diff)
downloadlinux-57f27cca7ab59cec05adc85cef97e9b4f7d28d78.tar.xz
hexagon/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: Richard Kuo <rkuo@codeaurora.org>
-rw-r--r--arch/hexagon/kernel/smp.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/hexagon/kernel/smp.c b/arch/hexagon/kernel/smp.c
index 9b44a9e2d05a..0672463df20c 100644
--- a/arch/hexagon/kernel/smp.c
+++ b/arch/hexagon/kernel/smp.c
@@ -177,7 +177,12 @@ void __cpuinit start_secondary(void)
printk(KERN_INFO "%s cpu %d\n", __func__, current_thread_info()->cpu);
+ notify_cpu_starting(cpu);
+
+ ipi_call_lock();
set_cpu_online(cpu, true);
+ ipi_call_unlock();
+
local_irq_enable();
cpu_idle();