Messages in this thread Patch in this message | | | From | "Srivatsa S. Bhat" <> | Subject | [PATCH 2/4] mn10300/CPU hotplug: Add missing call to notify_cpu_starting() | Date | Thu, 22 Mar 2012 16:58:47 +0530 |
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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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