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authorDaniel Jordan <daniel.m.jordan@oracle.com>2019-07-19 15:04:44 -0400
committerBen Hutchings <ben@decadent.org.uk>2020-05-22 21:19:14 +0100
commita0fc373c3514e8e1e3be6548a12bbee469a48198 (patch)
treeb892f44278fb9bfa40511182b633ed95ef66389d
parent13721e447acc2b82c19cf72e9e6c4291c77693ed (diff)
downloadlinux-stable-a0fc373c3514e8e1e3be6548a12bbee469a48198.tar.gz
padata: purge get_cpu and reorder_via_wq from padata_do_serial
commit 065cf577135a4977931c7a1e1edf442bfd9773dd upstream. 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: Ben Hutchings <ben@decadent.org.uk>
-rw-r--r--kernel/padata.c23
1 files changed, 3 insertions, 20 deletions
diff --git a/kernel/padata.c b/kernel/padata.c
index 37f27ea4a0e07..281d752151c47 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -322,24 +322,9 @@ static void padata_serial_worker(struct work_struct *serial_work)
*/
void padata_do_serial(struct padata_priv *padata)
{
- int cpu;
- struct padata_parallel_queue *pqueue;
- struct parallel_data *pd;
- 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);
+ struct parallel_data *pd = padata->pd;
+ struct padata_parallel_queue *pqueue = per_cpu_ptr(pd->pqueue,
+ padata->cpu);
spin_lock(&pqueue->reorder.lock);
list_add_tail(&padata->list, &pqueue->reorder.list);
@@ -353,8 +338,6 @@ void padata_do_serial(struct padata_priv *padata)
*/
smp_mb__after_atomic();
- put_cpu();
-
padata_reorder(pd);
}
EXPORT_SYMBOL(padata_do_serial);