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Subject[PATCH 2/4] mn10300/CPU hotplug: Add missing call to notify_cpu_starting()
Date
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>
---
arch/mn10300/kernel/smp.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/mn10300/kernel/smp.c b/arch/mn10300/kernel/smp.c
index 9242e9f..25ca7fe 100644
--- a/arch/mn10300/kernel/smp.c
+++ b/arch/mn10300/kernel/smp.c
@@ -875,10 +875,14 @@ static void __init smp_online(void)

cpu = smp_processor_id();

- local_irq_enable();
+ notify_cpu_starting(cpu);

+ ipi_call_lock();
set_cpu_online(cpu, true);
- smp_wmb();
+ ipi_call_unlock();
+
+ local_irq_enable();
+
}

/**


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