diff options
Diffstat (limited to 'drivers/crypto/vmx/aes.c')
| -rw-r--r-- | drivers/crypto/vmx/aes.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/crypto/vmx/aes.c b/drivers/crypto/vmx/aes.c index 023e5f014783..e79e567e43aa 100644 --- a/drivers/crypto/vmx/aes.c +++ b/drivers/crypto/vmx/aes.c @@ -81,11 +81,13 @@ static int p8_aes_setkey(struct crypto_tfm *tfm, const u8 *key, int ret; struct p8_aes_ctx *ctx = crypto_tfm_ctx(tfm); + preempt_disable(); pagefault_disable(); enable_kernel_altivec(); ret = aes_p8_set_encrypt_key(key, keylen * 8, &ctx->enc_key); ret += aes_p8_set_decrypt_key(key, keylen * 8, &ctx->dec_key); pagefault_enable(); + preempt_enable(); ret += crypto_cipher_setkey(ctx->fallback, key, keylen); return ret; @@ -98,10 +100,12 @@ static void p8_aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) if (in_interrupt()) { crypto_cipher_encrypt_one(ctx->fallback, dst, src); } else { + preempt_disable(); pagefault_disable(); enable_kernel_altivec(); aes_p8_encrypt(src, dst, &ctx->enc_key); pagefault_enable(); + preempt_enable(); } } @@ -112,10 +116,12 @@ static void p8_aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) if (in_interrupt()) { crypto_cipher_decrypt_one(ctx->fallback, dst, src); } else { + preempt_disable(); pagefault_disable(); enable_kernel_altivec(); aes_p8_decrypt(src, dst, &ctx->dec_key); pagefault_enable(); + preempt_enable(); } } |