diff options
Diffstat (limited to 'drivers/crypto/vmx/aes_ctr.c')
| -rw-r--r-- | drivers/crypto/vmx/aes_ctr.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/crypto/vmx/aes_ctr.c b/drivers/crypto/vmx/aes_ctr.c index ee1306cd8f59..0a3c1b04cf3c 100644 --- a/drivers/crypto/vmx/aes_ctr.c +++ b/drivers/crypto/vmx/aes_ctr.c @@ -81,9 +81,9 @@ static int p8_aes_ctr_setkey(struct crypto_tfm *tfm, const u8 *key, struct p8_aes_ctr_ctx *ctx = crypto_tfm_ctx(tfm); pagefault_disable(); - enable_kernel_altivec(); enable_kernel_vsx(); ret = aes_p8_set_encrypt_key(key, keylen * 8, &ctx->enc_key); + disable_kernel_vsx(); pagefault_enable(); ret += crypto_blkcipher_setkey(ctx->fallback, key, keylen); @@ -100,9 +100,9 @@ static void p8_aes_ctr_final(struct p8_aes_ctr_ctx *ctx, unsigned int nbytes = walk->nbytes; pagefault_disable(); - enable_kernel_altivec(); enable_kernel_vsx(); aes_p8_encrypt(ctrblk, keystream, &ctx->enc_key); + disable_kernel_vsx(); pagefault_enable(); crypto_xor(keystream, src, nbytes); @@ -133,7 +133,6 @@ static int p8_aes_ctr_crypt(struct blkcipher_desc *desc, ret = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE); while ((nbytes = walk.nbytes) >= AES_BLOCK_SIZE) { pagefault_disable(); - enable_kernel_altivec(); enable_kernel_vsx(); aes_p8_ctr32_encrypt_blocks(walk.src.virt.addr, walk.dst.virt.addr, @@ -142,6 +141,7 @@ static int p8_aes_ctr_crypt(struct blkcipher_desc *desc, AES_BLOCK_SIZE, &ctx->enc_key, walk.iv); + disable_kernel_vsx(); pagefault_enable(); /* We need to update IV mostly for last bytes/round */ @@ -175,7 +175,7 @@ struct crypto_alg p8_aes_ctr_alg = { .cra_init = p8_aes_ctr_init, .cra_exit = p8_aes_ctr_exit, .cra_blkcipher = { - .ivsize = 0, + .ivsize = AES_BLOCK_SIZE, .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, .setkey = p8_aes_ctr_setkey, |