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

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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...


---
~Randy
Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
http://linuxplumbersconf.org/
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