Re: [PATCH] arm64: crypto: Add ARM64 CRC32 hw accelerated module

From: Herbert Xu
Date: Thu Nov 20 2014 - 09:43:24 EST


On Thu, Nov 20, 2014 at 07:42:23AM -0600, Yazen Ghannam wrote:
> +linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>
> On Wed, Nov 19, 2014 at 11:19 AM, Yazen Ghannam <yazen.ghannam@xxxxxxxxxx>
> wrote:
>
> > 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@xxxxxxxxxx>
> > Acked-by: Steve Capper <steve.capper@xxxxxxxxxx>
> > Acked-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>

Patch applied. Thanks!
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/