- Subject: Re: [PATCH v5.2 00/14] crc32c: Add faster algorithm and self-test code
- From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxxx>
- Date: Sat, 3 Dec 2011 19:00:50 +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: <20111203023037.GA16577@tux1.beaverton.ibm.com>
- User-agent: Mutt/1.5.18 (2008-05-17)
On Fri, Dec 02, 2011 at 06:30:37PM -0800, Darrick J. Wong wrote:
> 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?
crc32c-intel is what I meant. My point is that it'll be used
automatically.
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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