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authorDaniel Jordan <daniel.m.jordan@oracle.com>2019-09-05 21:40:21 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2019-09-13 21:15:39 +1000
commitb128a30409356df65f1a51cff3eb986cac8cfedc (patch)
treecc469902f4279ac78d0cef0ea7bbcae71f662441 /crypto
parent007b3cf0af8cb7dc18828fbaf31c86d7d878f2c6 (diff)
padata: allocate workqueue internally
Move workqueue allocation inside of padata to prepare for further changes to how padata uses workqueues. Guarantees the workqueue is created with max_active=1, which padata relies on to work correctly. No functional change. 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: Jonathan Corbet <corbet@lwn.net> 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-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/pcrypt.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index 0edf5b54fc77..d67293063c7f 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -20,7 +20,6 @@
struct padata_pcrypt {
struct padata_instance *pinst;
- struct workqueue_struct *wq;
/*
* Cpumask for callback CPUs. It should be
@@ -397,14 +396,9 @@ static int pcrypt_init_padata(struct padata_pcrypt *pcrypt,
get_online_cpus();
- pcrypt->wq = alloc_workqueue("%s", WQ_MEM_RECLAIM | WQ_CPU_INTENSIVE,
- 1, name);
- if (!pcrypt->wq)
- goto err;
-
- pcrypt->pinst = padata_alloc_possible(pcrypt->wq);
+ pcrypt->pinst = padata_alloc_possible(name);
if (!pcrypt->pinst)
- goto err_destroy_workqueue;
+ goto err;
mask = kmalloc(sizeof(*mask), GFP_KERNEL);
if (!mask)
@@ -437,8 +431,6 @@ err_free_cpumask:
kfree(mask);
err_free_padata:
padata_free(pcrypt->pinst);
-err_destroy_workqueue:
- destroy_workqueue(pcrypt->wq);
err:
put_online_cpus();
@@ -452,7 +444,6 @@ static void pcrypt_fini_padata(struct padata_pcrypt *pcrypt)
padata_stop(pcrypt->pinst);
padata_unregister_cpumask_notifier(pcrypt->pinst, &pcrypt->nblock);
- destroy_workqueue(pcrypt->wq);
padata_free(pcrypt->pinst);
}

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