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crypto: virtio - adjust priority of algorithm 

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 <borntraeger@de.ibm.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Gonglei \(Arei\) 2017-01-13 17:34:16 +08:00 committed by Herbert Xu
parent 658fa754cd
commit 87170961f3
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/virtio/virtio_crypto_algs.c
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@ -505,7 +505,7 @@ 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),