We pass a pointer to the new padata cpumasks to the cpumask_change_notifier chain. So users can access the cpumasks without the need of an extra padata_get_cpumask function.
Signed-off-by: Steffen Klassert <[email protected]> --- include/linux/padata.h | 40 +++++++++++++++++++++------------------- kernel/padata.c | 3 ++- 2 files changed, 23 insertions(+), 20 deletions(-) diff --git a/include/linux/padata.h b/include/linux/padata.h index bb0fc5d..43db792 100644 --- a/include/linux/padata.h +++ b/include/linux/padata.h @@ -98,6 +98,16 @@ struct padata_parallel_queue { int cpu_index; }; +/** + * struct padata_cpumask - The cpumasks for the parallel/serial workers + * + * @pcpu: cpumask for the parallel workers. + * @cbcpu: cpumask for the serial (callback) workers. + */ +struct padata_cpumask { + cpumask_var_t pcpu; + cpumask_var_t cbcpu; +}; /** * struct parallel_data - Internal control structure, covers everything @@ -110,8 +120,7 @@ struct padata_parallel_queue { * @reorder_objects: Number of objects waiting in the reorder queues. * @refcnt: Number of objects holding a reference on this parallel_data. * @max_seq_nr: Maximal used sequence number. - * @cpumask: Contains two cpumasks: pcpu and cbcpu for - * parallel and serial workers respectively. + * @cpumask: The cpumasks in use for parallel and serial workers. * @lock: Reorder lock. * @processed: Number of already processed objects. * @timer: Reorder timer. @@ -120,17 +129,14 @@ struct parallel_data { struct padata_instance *pinst; struct padata_parallel_queue *pqueue; struct padata_serial_queue *squeue; - atomic_t seq_nr; - atomic_t reorder_objects; - atomic_t refcnt; - unsigned int max_seq_nr; - struct { - cpumask_var_t pcpu; - cpumask_var_t cbcpu; - } cpumask; - spinlock_t lock ____cacheline_aligned; - unsigned int processed; - struct timer_list timer; + atomic_t seq_nr; + atomic_t reorder_objects; + atomic_t refcnt; + unsigned int max_seq_nr; + struct padata_cpumask cpumask; + spinlock_t lock ____cacheline_aligned; + unsigned int processed; + struct timer_list timer; }; /** @@ -139,8 +145,7 @@ struct parallel_data { * @cpu_notifier: cpu hotplug notifier. * @wq: The workqueue in use. * @pd: The internal control structure. - * @cpumask: User supplied cpumask. Contains two cpumasks: pcpu and - * cbcpu for parallel and serial works respectivly. + * @cpumask: User supplied cpumasks for parallel and serial works. * @cpumask_change_notifier: Notifiers chain for user-defined notify * callbacks that will be called when either @pcpu or @cbcpu * or both cpumasks change. @@ -152,10 +157,7 @@ struct padata_instance { struct notifier_block cpu_notifier; struct workqueue_struct *wq; struct parallel_data *pd; - struct { - cpumask_var_t pcpu; - cpumask_var_t cbcpu; - } cpumask; + struct padata_cpumask cpumask; struct blocking_notifier_head cpumask_change_notifier; struct kobject kobj; struct mutex lock; diff --git a/kernel/padata.c b/kernel/padata.c index 4987203..1c8c1d1 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -538,7 +538,8 @@ static void padata_replace(struct padata_instance *pinst, if (notification_mask) blocking_notifier_call_chain(&pinst->cpumask_change_notifier, - notification_mask, pinst); + notification_mask, + &pd_new->cpumask); pinst->flags &= ~PADATA_RESET; } -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
