Commit 0c8f838a authored by Ard Biesheuvel's avatar Ard Biesheuvel Committed by Herbert Xu

crypto: arm64/aes-blk - yield NEON after every block of input

Avoid excessive scheduling delays under a preemptible kernel by
yielding the NEON after every block of input.
Signed-off-by: 's avatarArd Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: 's avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 7b67ae4d
......@@ -30,18 +30,21 @@
.endm
/* prepare for encryption with key in rk[] */
.macro enc_prepare, rounds, rk, ignore
load_round_keys \rounds, \rk
.macro enc_prepare, rounds, rk, temp
mov \temp, \rk
load_round_keys \rounds, \temp
.endm
/* prepare for encryption (again) but with new key in rk[] */
.macro enc_switch_key, rounds, rk, ignore
load_round_keys \rounds, \rk
.macro enc_switch_key, rounds, rk, temp
mov \temp, \rk
load_round_keys \rounds, \temp
.endm
/* prepare for decryption with key in rk[] */
.macro dec_prepare, rounds, rk, ignore
load_round_keys \rounds, \rk
.macro dec_prepare, rounds, rk, temp
mov \temp, \rk
load_round_keys \rounds, \temp
.endm
.macro do_enc_Nx, de, mc, k, i0, i1, i2, i3
......
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