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crypto: x86 - remove SHA multibuffer routines and mcryptd

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As it turns out, the AVX2 multibuffer SHA routines are currently
broken [0], in a way that would have likely been noticed if this
code were in wide use. Since the code is too complicated to be
maintained by anyone except the original authors, and since the
performance benefits for real-world use cases are debatable to
begin with, it is better to drop it entirely for the moment.

[0] https://marc.info/?l=linux-crypto-vger&m=153476243825350&w=2

Suggested-by: Eric Biggers <[email protected]>
Cc: Megha Dey <[email protected]>
Cc: Tim Chen <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Ard Biesheuvel <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Ard Biesheuvel 2018-08-22 10:51:44 +02:00 • committed by Herbert Xu
commit ab8085c130
47 changed files with 0 additions and 8952 deletions
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1
crypto/Makefile
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@ -93,7 +93,6 @@ obj-$(CONFIG_CRYPTO_MORUS640) += morus640.o
obj-$(CONFIG_CRYPTO_MORUS1280) += morus1280.o
obj-$(CONFIG_CRYPTO_PCRYPT) += pcrypt.o
obj-$(CONFIG_CRYPTO_CRYPTD) += cryptd.o
obj-$(CONFIG_CRYPTO_MCRYPTD) += mcryptd.o
obj-$(CONFIG_CRYPTO_DES) += des_generic.o
obj-$(CONFIG_CRYPTO_FCRYPT) += fcrypt.o
obj-$(CONFIG_CRYPTO_BLOWFISH) += blowfish_generic.o