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

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Message-Id: <1217930351.1613.4.camel@localhost.localdomain>
Date:	Tue, 05 Aug 2008 05:59:11 -0400
From:	Austin Zhang <austin_zhang@...ux.intel.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	davem@...emloft.net, 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.

On Mon, 2008-08-04 at 22:19 +0800, Herbert Xu wrote:
> On Mon, Aug 04, 2008 at 05:35:07AM -0400, Austin Zhang wrote:
> >
> > +config CRYPTO_CRC32C_INTEL
> > +        tristate "CRC32c INTEL hardware acceleration"
> > +        select CRYPTO_HASH
> 
> You need some sort of a dependency here.  See what the other
> assembly algorithms do it.
> 
> Cheers,
How about:
+config CRYPTO_CRC32C_INTEL
+        tristate "CRC32c INTEL hardware acceleration"
+       depends on X86
+        select CRYPTO_ALGAPI
+        help
+          In Intel processor with SSE4.2 supported, the processor will
......

It should only depend on X86.

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