Re: [PATCH] virtio-crypto: adjust priority of algorithm

From: Christian Borntraeger
Date: Fri Jan 13 2017 - 03:28:41 EST


ACK. Whoever takes this patch might want to fixup 3 typos.

On 01/13/2017 07:25 AM, Gonglei wrote:

> Some hardware accelerators (like intel aseni or the s390
aesni
> 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
software
> implimentations but lower than the hardware ones.
implementations
>
> Suggested-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> Signed-off-by: Gonglei <arei.gonglei@xxxxxxxxxx>
> ---
> 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),
>