On Mon, 27 Jul 2015, Eric Anholt wrote:
> +/* Unmasks the IPI on the CPU wen it's first brought online. */
when
> +static int bcm2836_arm_irqchip_cpu_notify(struct notifier_block *nfb,
> + unsigned long action, void *hcpu)
> +{
> + unsigned int cpu = (unsigned long)hcpu;
> + unsigned int int_reg = LOCAL_MAILBOX_INT_CONTROL0;
> + unsigned int mailbox = 0;
> +
> + if (action == CPU_STARTING || action == CPU_STARTING_FROZEN)
> + bcm2836_arm_irqchip_unmask_per_cpu_irq(int_reg, mailbox, cpu);
Shouldn't you mask the irq on CPU_DYING?
Thanks,
tglx
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