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| author |   Daniel Jordan <daniel.m.jordan@oracle.com> | 2019-09-05 21:40:27 -0400 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2019-09-13 21:15:40 +1000 |
| commit | 45d153c08bc73c8ced640dc20d8f2b749a6cb0d0 (patch) | |
| tree | 52e892c2a0ed227a9da6a081fd7b842bc69fa5b4 /include/linux/padata.h | |
| parent | padata, pcrypt: take CPU hotplug lock internally in padata_alloc_possible (diff) | |
| download | linux-dev-45d153c08bc73c8ced640dc20d8f2b749a6cb0d0.tar.xz linux-dev-45d153c08bc73c8ced640dc20d8f2b749a6cb0d0.zip | |
padata: use separate workqueues for parallel and serial work
padata currently uses one per-CPU workqueue per instance for all work.
Prepare for running parallel jobs on an unbound workqueue by introducing
dedicated workqueues for parallel and serial work.
Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/linux/padata.h')
| -rw-r--r-- | include/linux/padata.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/padata.h b/include/linux/padata.h index f7851f8e2190..e7978f8942ca 100644 --- a/include/linux/padata.h +++ b/include/linux/padata.h @@ -127,7 +127,8 @@ struct parallel_data { * struct padata_instance - The overall control structure. * * @cpu_notifier: cpu hotplug notifier. - * @wq: The workqueue in use. + * @parallel_wq: The workqueue used for parallel work. + * @serial_wq: The workqueue used for serial work. * @pd: The internal control structure. * @cpumask: User supplied cpumasks for parallel and serial works. * @cpumask_change_notifier: Notifiers chain for user-defined notify @@ -139,7 +140,8 @@ struct parallel_data { */ struct padata_instance { struct hlist_node node; - struct workqueue_struct *wq; + struct workqueue_struct *parallel_wq; + struct workqueue_struct *serial_wq; struct parallel_data *pd; struct padata_cpumask cpumask; struct blocking_notifier_head cpumask_change_notifier; |