crypto: chainiv - Use kcrypto_wq instead of keventd_wq

keventd_wq has potential starvation problem, so use dedicated
kcrypto_wq instead.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

2 files changed, 3 insertions, 1 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 24c31efde882..4a3e6b225189 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -56,6 +56,7 @@ config CRYPTO_BLKCIPHER2
         tristate
         select CRYPTO_ALGAPI2
         select CRYPTO_RNG2
+        select CRYPTO_WORKQUEUE
 
 config CRYPTO_HASH
         tristate
diff --git a/crypto/chainiv.c b/crypto/chainiv.c
index 7c37a497b860..ba200b07449d 100644
--- a/crypto/chainiv.c
+++ b/crypto/chainiv.c
@@ -15,6 +15,7 @@
 
 #include <crypto/internal/skcipher.h>
 #include <crypto/rng.h>
+#include <crypto/crypto_wq.h>
 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -133,7 +134,7 @@ static int async_chainiv_schedule_work(struct async_chainiv_ctx *ctx)
                         goto out;
         }
 
-        queued = schedule_work(&ctx->postponed);
+        queued = queue_work(kcrypto_wq, &ctx->postponed);
         BUG_ON(!queued);
 
 out: