>> ?void machine_crash_shutdown(struct pt_regs *regs)
>> ?{
>> + ? ? unsigned long msecs;
>
> Int should be enough here? Not that it makes a difference on ARM, but
> anyway. :)
>
>> +
>> ? ? ? local_irq_disable();
>> +
>> + ? ? atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1);
>> + ? ? smp_call_function(machine_crash_nonpanic_core, NULL, false);
>> + ? ? msecs = 1000; /* Wait at most a second for the other cpus to stop */
>> + ? ? while ((atomic_read(&waiting_for_crash_ipi) > 0) && msecs) {
>> + ? ? ? ? ? ? mdelay(1);
>> + ? ? ? ? ? ? msecs--;
>> + ? ? }
The choice of type comes from the corresponding x86 code in
arch/x86/kernel/reboot.c:nmi_shootdown_cpus()
Should we deviate?
Regards,
Per
