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padata: purge get_cpu and reorder_via_wq from padata_do_serial

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[ Upstream commit 065cf577135a4977931c7a1e1edf442bfd9773dd ]

With the removal of the padata timer, padata_do_serial no longer
needs special CPU handling, so remove it.

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
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Daniel Jordan 2020-05-21 16:40:51 -04:00 committed by Greg Kroah-Hartman
parent 1538674cee
commit 189b4cfafe
1 changed files with 3 additions and 20 deletions
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23
kernel/padata.c
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@ -324,24 +324,9 @@ static void padata_serial_worker(struct work_struct *serial_work)
*/ */
void padata_do_serial(struct padata_priv *padata) void padata_do_serial(struct padata_priv *padata)
{ {
int cpu; struct parallel_data *pd = padata->pd;
struct padata_parallel_queue *pqueue; struct padata_parallel_queue *pqueue = per_cpu_ptr(pd->pqueue,
struct parallel_data *pd; padata->cpu);
int reorder_via_wq = 0;
pd = padata->pd;
cpu = get_cpu();
/* We need to enqueue the padata object into the correct
* per-cpu queue.
*/
if (cpu != padata->cpu) {
reorder_via_wq = 1;
cpu = padata->cpu;
}
pqueue = per_cpu_ptr(pd->pqueue, cpu);
spin_lock(&pqueue->reorder.lock); spin_lock(&pqueue->reorder.lock);
list_add_tail(&padata->list, &pqueue->reorder.list); list_add_tail(&padata->list, &pqueue->reorder.list);
@ -355,8 +340,6 @@ void padata_do_serial(struct padata_priv *padata)
*/ */
smp_mb__after_atomic(); smp_mb__after_atomic();
put_cpu();
padata_reorder(pd); padata_reorder(pd);
} }
EXPORT_SYMBOL(padata_do_serial); EXPORT_SYMBOL(padata_do_serial);