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* [PATCH] virtio-crypto: adjust priority of algorithm
@ 2017-01-13  6:25 Gonglei
  2017-01-13  8:28 ` Christian Borntraeger
  0 siblings, 1 reply; 3+ messages in thread
From: Gonglei @ 2017-01-13  6:25 UTC (permalink / raw)
  To: virtualization, linux-crypto, linux-kernel
  Cc: mst, herbert, borntraeger, Gonglei

Some hardware accelerators (like intel aseni or the s390
cpacf functions) have lower priorities than virtio
crypto, and those drivers are faster than the same in
the host via virtio. So let's lower the priority of
virtio-crypto's algorithm, make it's higher than sofeware
implimentations but lower than the hardware ones.

Suggested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
---
 drivers/crypto/virtio/virtio_crypto_algs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/virtio/virtio_crypto_algs.c b/drivers/crypto/virtio/virtio_crypto_algs.c
index 6f40a42..4de4740 100644
--- a/drivers/crypto/virtio/virtio_crypto_algs.c
+++ b/drivers/crypto/virtio/virtio_crypto_algs.c
@@ -498,7 +498,7 @@ void virtio_crypto_ablkcipher_finalize_req(
 static struct crypto_alg virtio_crypto_algs[] = { {
 	.cra_name = "cbc(aes)",
 	.cra_driver_name = "virtio_crypto_aes_cbc",
-	.cra_priority = 501,
+	.cra_priority = 150,
 	.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
 	.cra_blocksize = AES_BLOCK_SIZE,
 	.cra_ctxsize  = sizeof(struct virtio_crypto_ablkcipher_ctx),
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread

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2017-01-13  6:25 [PATCH] virtio-crypto: adjust priority of algorithm Gonglei
2017-01-13  8:28 ` Christian Borntraeger
2017-01-13  9:24   ` Gonglei (Arei)

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