Re: [PATCH 1/3] PM / Sleep: Make [un]lock_system_sleep() generic

From: Tejun Heo
Date: Mon Dec 05 2011 - 12:14:52 EST


Hello,

On Mon, Dec 05, 2011 at 01:32:38AM +0530, Srivatsa S. Bhat wrote:
> +static inline void lock_system_sleep(void)
> +{
> + /* simplified freezer_do_not_count() */
> + current->flags |= PF_FREEZER_SKIP;
> + mutex_lock(&pm_mutex);
> +}
> +
> +static inline void unlock_system_sleep(void)
> +{
> + mutex_unlock(&pm_mutex);
> + /* simplified freezer_count() */
> + current->flags &= ~PF_FREEZER_SKIP;
> +}

BTW, don't we want try_to_freeze() there? What's the reason for not
using freezer_count()?

Thanks.

--
tejun
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