@@ -167,7 +167,6 @@ struct padata_mt_job {
* @serial_wq: The workqueue used for serial work.
* @pslist: List of padata_shell objects attached to this instance.
* @cpumask: User supplied cpumasks for parallel and serial works.
- * @rcpumask: Actual cpumasks based on user cpumask and cpu_online_mask.
* @kobj: padata instance kernel object.
* @lock: padata instance lock.
* @flags: padata flags.
@@ -179,7 +178,6 @@ struct padata_instance {
struct workqueue_struct *serial_wq;
struct list_head pslist;
struct padata_cpumask cpumask;
- struct padata_cpumask rcpumask;
struct kobject kobj;
struct mutex lock;
u8 flags;
@@ -571,13 +571,8 @@ static void padata_init_pqueues(struct parallel_data *pd)
static struct parallel_data *padata_alloc_pd(struct padata_shell *ps)
{
struct padata_instance *pinst = ps->pinst;
- const struct cpumask *cbcpumask;
- const struct cpumask *pcpumask;
struct parallel_data *pd;
- cbcpumask = pinst->rcpumask.cbcpu;
- pcpumask = pinst->rcpumask.pcpu;
-
pd = kzalloc(sizeof(struct parallel_data), GFP_KERNEL);
if (!pd)
goto err;
@@ -597,8 +592,8 @@ static struct parallel_data *padata_alloc_pd(struct padata_shell *ps)
if (!alloc_cpumask_var(&pd->cpumask.cbcpu, GFP_KERNEL))
goto err_free_pcpu;
- cpumask_copy(pd->cpumask.pcpu, pcpumask);
- cpumask_copy(pd->cpumask.cbcpu, cbcpumask);
+ cpumask_and(pd->cpumask.pcpu, pinst->cpumask.pcpu, cpu_online_mask);
+ cpumask_and(pd->cpumask.cbcpu, pinst->cpumask.cbcpu, cpu_online_mask);
padata_init_pqueues(pd);
padata_init_squeues(pd);
@@ -668,12 +663,6 @@ static int padata_replace(struct padata_instance *pinst)
pinst->flags |= PADATA_RESET;
- cpumask_and(pinst->rcpumask.pcpu, pinst->cpumask.pcpu,
- cpu_online_mask);
-
- cpumask_and(pinst->rcpumask.cbcpu, pinst->cpumask.cbcpu,
- cpu_online_mask);
-
list_for_each_entry(ps, &pinst->pslist, list) {
err = padata_replace_one(ps);
if (err)
@@ -856,8 +845,6 @@ static void __padata_free(struct padata_instance *pinst)
WARN_ON(!list_empty(&pinst->pslist));
- free_cpumask_var(pinst->rcpumask.cbcpu);
- free_cpumask_var(pinst->rcpumask.pcpu);
free_cpumask_var(pinst->cpumask.pcpu);
free_cpumask_var(pinst->cpumask.cbcpu);
destroy_workqueue(pinst->serial_wq);
@@ -1033,20 +1020,13 @@ static struct padata_instance *padata_alloc(const char *name,
!padata_validate_cpumask(pinst, cbcpumask))
goto err_free_masks;
- if (!alloc_cpumask_var(&pinst->rcpumask.pcpu, GFP_KERNEL))
- goto err_free_masks;
- if (!alloc_cpumask_var(&pinst->rcpumask.cbcpu, GFP_KERNEL))
- goto err_free_rcpumask_pcpu;
-
INIT_LIST_HEAD(&pinst->pslist);
cpumask_copy(pinst->cpumask.pcpu, pcpumask);
cpumask_copy(pinst->cpumask.cbcpu, cbcpumask);
- cpumask_and(pinst->rcpumask.pcpu, pcpumask, cpu_online_mask);
- cpumask_and(pinst->rcpumask.cbcpu, cbcpumask, cpu_online_mask);
if (padata_setup_cpumasks(pinst))
- goto err_free_rcpumask_cbcpu;
+ goto err_free_masks;
__padata_start(pinst);
@@ -1064,10 +1044,6 @@ static struct padata_instance *padata_alloc(const char *name,
return pinst;
-err_free_rcpumask_cbcpu:
- free_cpumask_var(pinst->rcpumask.cbcpu);
-err_free_rcpumask_pcpu:
- free_cpumask_var(pinst->rcpumask.pcpu);
err_free_masks:
free_cpumask_var(pinst->cpumask.pcpu);
free_cpumask_var(pinst->cpumask.cbcpu);
A padata instance has effective cpumasks that store the user-supplied masks ANDed with the online mask, but this middleman is unnecessary. parallel_data keeps the same information around. Removing this saves text and code churn in future changes. Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Steffen Klassert <steffen.klassert@secunet.com> Cc: linux-crypto@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- include/linux/padata.h | 2 -- kernel/padata.c | 30 +++--------------------------- 2 files changed, 3 insertions(+), 29 deletions(-)