Messages in this thread | | | Date | Mon, 4 Aug 2008 10:27:11 -0700 | From | Randy Dunlap <> | Subject | 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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