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3 Commits

Author SHA1 Message Date
Ard Biesheuvel 6caf7adc5e crypto: arm64/sha512-ce - yield NEON after every block of input 
Avoid excessive scheduling delays under a preemptible kernel by
conditionally yielding the NEON after every block of input.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2018-05-12 00:13:12 +08:00
Ard Biesheuvel fb87127bce crypto: arm64/sha512 - fix/improve new v8.2 Crypto Extensions code 
Add a missing symbol export that prevents this code to be built as a
module. Also, move the round constant table to the .rodata section,
and use a more optimized version of the core transform.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2018-01-26 01:10:36 +11:00
Ard Biesheuvel bb6c8c467b crypto: arm64 - implement SHA-512 using special instructions 
Implement the SHA-512 using the new special instructions that have
been introduced as an optional extension in ARMv8.2.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Steve Capper <steve.capper@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2018-01-18 22:52:24 +11:00