linux-kernel - Re: [PATCH] Using Intel CRC32 instruction to accelerate CRC32c algorithm by new crypto API -V3.

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Message-ID: <20080806110348.GA32022@gondor.apana.org.au>
Date:	Wed, 6 Aug 2008 19:03:48 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Pavel Machek <pavel@...e.cz>
Cc:	Austin Zhang <austin_zhang@...ux.intel.com>, bunk@...nel.org,
	dwmw2@...radead.org, davem@...emloft.net, randy.dunlap@...cle.com,
	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH] Using Intel CRC32 instruction to accelerate CRC32c algorithm by new crypto API -V3.

On Wed, Aug 06, 2008 at 11:42:26AM +0200, Pavel Machek wrote:
>
> > +static int crc32c_intel_final(struct ahash_request *req)
> > +{
> > +	u32 *crcp = ahash_request_ctx(req);
> > +
> > +	*(__le32 *)req->result = ~cpu_to_le32p(crcp);
> > +	return 0;
> 
> This is not user visible, so le32 should be enough.

Unfortunately I don't think le32 exists, it'd definitely be nice
to have it though.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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