crypto: arm/chacha20 - limit the preemption-disabled section

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To improve responsivesess, disable preemption for each step of the walk
(which is at most PAGE_SIZE) rather than for the entire
encryption/decryption operation.

Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Eric Biggers 2018-11-16 17:26:23 -08:00 • committed by Herbert Xu

parent aa7624093c

commit be2830b15b

1 changed files with 3 additions and 3 deletions

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arch/arm/crypto/chacha20-neon-glue.c

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