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

[Austin Zhang <austin_zhang@linux.intel.com>]

On Mon, 2008-08-04 at 10:27 -0700, Randy Dunlap wrote:
> On Mon, 04 Aug 2008 05:35:07 -0400 Austin Zhang wrote:
> 
> > diff -Naurp linux-2.6/crypto/Kconfig linux-2.6-patch/crypto/Kconfig
> > --- linux-2.6/crypto/Kconfig	2008-08-04 01:08:00.000000000 -0400
> > +++ linux-2.6-patch/crypto/Kconfig	2008-08-04 01:59:00.000000000 -0400
> > @@ -221,6 +221,17 @@ config CRYPTO_CRC32C
> >  	  See Castagnoli93.  This implementation uses lib/libcrc32c.
> >            Module will be crc32c.
> >  
> > +config CRYPTO_CRC32C_INTEL
> > +        tristate "CRC32c INTEL hardware acceleration"
> > +        select CRYPTO_HASH
> > +        help
> > +          In Intel processor with SSE4.2 supported, the processor will
> > +          support CRC32C implemetation using hardware accelerated CRC32 
> 
> 	                    implementation
> 
> > +          instruction. This option will create 'crc32c-intel' module,
> > +          which will enable any routine to use the CRC32 instruction to 
> > +          gain performance compared with software implementation.
> > +          Module will be crc32c-intel.
> 
> and don't end lines with spaces...
> 
> 
Thanks a lot:)