Re: [PATCH] ip_tunnel: disable preemption when updating per-cpu tstats

[Hannes Frederic Sowa]

On Thu, Nov 12, 2015, at 16:30, Jason A. Donenfeld wrote:
>  	if (err > 0) {
> -               struct pcpu_sw_netstats *tstats = this_cpu_ptr(stats);
> -
> +               struct pcpu_sw_netstats *tstats;
> +               preempt_disable();
> +               tstats = this_cpu_ptr(stats);

The canonical way is get_cpu_ptr(stats) / put_cpu_ptr.

Bye,
Hannes
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