From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gonglei Subject: [PATCH v2] virtio-crypto: adjust priority of algorithm Date: Fri, 13 Jan 2017 17:34:16 +0800 Message-ID: <1484300056-35284-1-git-send-email-arei.gonglei__48297.7353771732$1484300184$gmane$org@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: virtualization@lists.linux-foundation.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Cc: herbert@gondor.apana.org.au, mst@redhat.com List-Id: virtualization@lists.linuxfoundation.org Some hardware accelerators (like intel aesni 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 software implementations but lower than the hardware ones. Suggested-by: Christian Borntraeger Signed-off-by: Gonglei Acked-by: Christian Borntraeger --- v2: fix three typos. [Christian] --- 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