From: Yunfeng Ye
> Sent: 17 October 2019 14:26
...
> >> -  for (i = 0; i < 10; i++) {
> >> +  i = 0;
> >> +  timeout = jiffies + msecs_to_jiffies(100);
> >> +  do {
> >>            err = psci_ops.affinity_info(cpu_logical_map(cpu), 0);
> >>            if (err == PSCI_0_2_AFFINITY_LEVEL_OFF) {
> >>                    pr_info("CPU%d killed.\n", cpu);
> >>                    return 0;
> >>            }
> >>
> >> -          msleep(10);
> >> -          pr_info("Retrying again to check for CPU kill\n");
> >
> > You dropped this message, any particular reason ?
> >
> When reduce the time interval to 1ms, the print message maybe increase 10 
> times.
> on the other hand, cpu_psci_cpu_kill() will print message on success or 
> failure, which
> this retry log is not very necessary. of cource, I think use pr_info_once() 
> instead of
> pr_info() is better.

Maybe you should print in on (say) the 10th time around the loop.

        David

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