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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2017-07-24 11:28:05 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2017-08-04 09:27:16 +0800
commit6d6254d728a2e696aa697b4b44cb7736851f62e3 (patch)
tree6b7f2e21fa4dc3b95b6302d8ef168f5b89b76a27 /arch/arm64/crypto/Kconfig
parent45fe93dff2fb58b22de04c729f8447ba0f773d93 (diff)
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crypto: arm64/ghash-ce - add non-SIMD scalar fallback
The arm64 kernel will shortly disallow nested kernel mode NEON, so add a fallback to scalar C code that can be invoked in that case. 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/Kconfig3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig
index d92293747d63..7d75a363e317 100644
--- a/arch/arm64/crypto/Kconfig
+++ b/arch/arm64/crypto/Kconfig
@@ -28,8 +28,9 @@ config CRYPTO_SHA2_ARM64_CE
config CRYPTO_GHASH_ARM64_CE
tristate "GHASH (for GCM chaining mode) using ARMv8 Crypto Extensions"
- depends on ARM64 && KERNEL_MODE_NEON
+ depends on KERNEL_MODE_NEON
select CRYPTO_HASH
+ select CRYPTO_GF128MUL
config CRYPTO_CRCT10DIF_ARM64_CE
tristate "CRCT10DIF digest algorithm using PMULL instructions"