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

On Mon, 2008-08-04 at 10:27 -0700, Randy Dunlap wrote:

On Mon, 04 Aug 2008 05:35:07 -0400 Austin Zhang wrote:

quoted

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

quoted

+          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:)