diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2017-07-24 11:28:13 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-08-04 09:27:21 +0800 |
| commit | e211506979e205e5a00b0a9d321fb3cbb44ee9ea (patch) | |
| tree | 234859ed43fc55e8f187d155ccdd4efd9da0dd97 /arch/arm64/crypto/Kconfig | |
| parent | 5092fcf3490811a735ef44bd22d8b5ff1bd63926 (diff) | |
crypto: arm64/aes-blk - add a non-SIMD fallback for synchronous CTR
To accommodate systems that may disallow use of the NEON in kernel mode
in some circumstances, introduce a C fallback for synchronous AES in CTR
mode, and use it if may_use_simd() returns false.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/arm64/crypto/Kconfig')
| -rw-r--r-- | arch/arm64/crypto/Kconfig | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig index ba637765c19a..a068dcbe2518 100644 --- a/arch/arm64/crypto/Kconfig +++ b/arch/arm64/crypto/Kconfig @@ -64,15 +64,17 @@ config CRYPTO_AES_ARM64_CE_CCM config CRYPTO_AES_ARM64_CE_BLK tristate "AES in ECB/CBC/CTR/XTS modes using ARMv8 Crypto Extensions" - depends on ARM64 && KERNEL_MODE_NEON + depends on KERNEL_MODE_NEON select CRYPTO_BLKCIPHER select CRYPTO_AES_ARM64_CE + select CRYPTO_AES_ARM64 select CRYPTO_SIMD config CRYPTO_AES_ARM64_NEON_BLK tristate "AES in ECB/CBC/CTR/XTS modes using NEON instructions" - depends on ARM64 && KERNEL_MODE_NEON + depends on KERNEL_MODE_NEON select CRYPTO_BLKCIPHER + select CRYPTO_AES_ARM64 select CRYPTO_AES select CRYPTO_SIMD |