Re: [PATCH v4 04/22] kthread: Add create_kthread_worker*()

On Mon, Jan 25, 2016 at 04:44:53PM +0100, Petr Mladek wrote:

+struct kthread_worker *
+create_kthread_worker_on_cpu(int cpu, const char namefmt[])
+{
+	if (cpu < 0 || cpu > num_possible_cpus())
+		return ERR_PTR(-EINVAL);

Comparing cpu ID to num_possible_cpus() doesn't make any sense.  It
should either be testing against cpu_possible_mask or testing against
nr_cpu_ids.  Does this test need to be in this function at all?

Thanks.

-- 
tejun

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