[PATCH 1/3] PM / Sleep: Make [un]lock_system_sleep() generic
Tejun Heo
tj at kernel.org
Mon Dec 5 12:14:43 EST 2011
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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