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lib/crypto: x86/nh: Migrate optimized code into library

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Migrate the x86_64 implementations of NH into lib/crypto/.  This makes
the nh() function be optimized on x86_64 kernels.

Note: this temporarily makes the adiantum template not utilize the
x86_64 optimized NH code.  This is resolved in a later commit that
converts the adiantum template to use nh() instead of "nhpoly1305".

Link: https://lore.kernel.org/r/20251211011846.8179-6-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
This commit is contained in:
Eric Biggers
2025-12-10 17:18:37 -08:00
parent b4a8528d17
commit a229d83235
9 changed files with 49 additions and 190 deletions
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1
lib/crypto/Makefile
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@@ -137,6 +137,7 @@ ifeq ($(CONFIG_CRYPTO_LIB_NH_ARCH),y)
CFLAGS_nh.o += -I$(src)/$(SRCARCH)
libnh-$(CONFIG_ARM) += arm/nh-neon-core.o
libnh-$(CONFIG_ARM64) += arm64/nh-neon-core.o
libnh-$(CONFIG_X86) += x86/nh-sse2.o x86/nh-avx2.o
endif
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