tree 0099a95e8a8f7dbe059cf626aec5ae0b7d7a0cb9
parent aa408d6019775c1b4362895df7929a043fa79804
author Yazen Ghannam <yazen.ghannam@linaro.org> 1416417577 -0600
committer Herbert Xu <herbert@gondor.apana.org.au> 1416494379 +0800

crypto: crc32 - Add ARM64 CRC32 hw accelerated module

This module registers a crc32 algorithm and a crc32c algorithm
that use the optional CRC32 and CRC32C instructions in ARMv8.

Tested on AMD Seattle.

Improvement compared to crc32c-generic algorithm:
TCRYPT CRC32C speed test shows ~450% speedup.
Simple dd write tests to btrfs filesystem show ~30% speedup.

Signed-off-by: Yazen Ghannam <yazen.ghannam@linaro.org>
Acked-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>