From ed0356eda153f6a95649e11feb7b07083caf9e20 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Fri, 8 Nov 2019 13:22:31 +0100
Subject: crypto: blake2s - x86_64 SIMD implementation

These implementations from Samuel Neves support AVX and AVX-512VL.
Originally this used AVX-512F, but Skylake thermal throttling made
AVX-512VL more attractive and possible to do with negligable difference.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Samuel Neves <sneves@dei.uc.pt>
Co-developed-by: Samuel Neves <sneves@dei.uc.pt>
[ardb: move to arch/x86/crypto, wire into lib/crypto framework]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/Kconfig | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'crypto/Kconfig')

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 3c23187eeeb1..64cc4a93b51c 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -674,6 +674,12 @@ config CRYPTO_BLAKE2S
 
 	  See https://blake2.net for further information.
 
+config CRYPTO_BLAKE2S_X86
+	tristate "BLAKE2s digest algorithm (x86 accelerated version)"
+	depends on X86 && 64BIT
+	select CRYPTO_LIB_BLAKE2S_GENERIC
+	select CRYPTO_ARCH_HAVE_LIB_BLAKE2S
+
 config CRYPTO_CRCT10DIF
 	tristate "CRCT10DIF algorithm"
 	select CRYPTO_HASH
-- 
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