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Re: [Xen-devel] [PATCH v2 1/5] tasklet: Introduce per-cpu tasklet for softirq.



On Thu, Aug 25, 2016 at 03:23:57PM -0400, Konrad Rzeszutek Wilk wrote:
[...]
> +static inline void tasklet_unlock_wait(struct tasklet *t)
> +{
> +    while (test_bit(TASKLET_STATE_RUN, &(t)->state))
> +    {
> +        barrier();

Need cpu_relax() here?

> +    }

Wei.

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