- Subject: Re: [PATCH v5.2 00/14] crc32c: Add faster algorithm and self-test code
- From: "Darrick J. Wong" <djwong@xxxxxxxxxx>
- Date: Fri, 2 Dec 2011 18:30:37 -0800
- Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Theodore Tso <tytso@xxxxxxx>, Joakim Tjernlund <joakim.tjernlund@xxxxxxxxxxxx>, Bob Pearson <rpearson@xxxxxxxxxxxxxxxxxxxxx>, linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>, Andreas Dilger <adilger.kernel@xxxxxxxxx>, linux-crypto <linux-crypto@xxxxxxxxxxxxxxx>, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>, Mingming Cao <cmm@xxxxxxxxxx>, linux-ext4@xxxxxxxxxxxxxxx
- In-reply-to: <20111202002358.GA19842@gondor.apana.org.au>
- Reply-to: djwong@xxxxxxxxxx
- User-agent: Mutt/1.5.17+20080114 (2008-01-14)
On Fri, Dec 02, 2011 at 08:23:58AM +0800, Herbert Xu wrote:
> On Thu, Dec 01, 2011 at 12:31:22PM -0800, Darrick J. Wong wrote:
> .
> > They seem to call crc32c(), which is in crypto/crc32c. If you're interested in
>
> Nope, the crypto API layer will use the SSE implementation
> where available. Only when it isn't available will the C version
> in crypto/ be used.
There's a SSE version other than what's in crc32c-intel?
(I suspect we're talking about the same thing?)
--D
>
> Cheers,
> --
> Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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