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crypto: crc32c - Kill pointless CRYPTO_CRC32C_X86_64 option 

This bool option can never be set to anything other than y.  So
let's just kill it.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2013-02-26 17:52:15 +08:00
parent 32dc43e40a
commit ca81a1a1b8
2 changed files with 1 additions and 11 deletions
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2
arch/x86/crypto/Makefile
View File

@ -52,5 +52,5 @@ aesni-intel-y := aesni-intel_asm.o aesni-intel_glue.o fpu.o
ghash-clmulni-intel-y := ghash-clmulni-intel_asm.o ghash-clmulni-intel_glue.o
sha1-ssse3-y := sha1_ssse3_asm.o sha1_ssse3_glue.o
crc32c-intel-y := crc32c-intel_glue.o
crc32c-intel-$(CONFIG_CRYPTO_CRC32C_X86_64) += crc32c-pcl-intel-asm_64.o
crc32c-intel-$(CONFIG_64BIT) += crc32c-pcl-intel-asm_64.o
crc32-pclmul-y := crc32-pclmul_asm.o crc32-pclmul_glue.o

10
crypto/Kconfig
View File

@ -322,19 +322,9 @@ config CRYPTO_CRC32C
by iSCSI for header and data digests and by others.
See Castagnoli93. Module will be crc32c.
config CRYPTO_CRC32C_X86_64
bool
depends on X86 && 64BIT
select CRYPTO_HASH
help
In Intel processor with SSE4.2 supported, the processor will
support CRC32C calculation using hardware accelerated CRC32
instruction optimized with PCLMULQDQ instruction when available.
config CRYPTO_CRC32C_INTEL
tristate "CRC32c INTEL hardware acceleration"
depends on X86
select CRYPTO_CRC32C_X86_64 if 64BIT
select CRYPTO_HASH
help
In Intel processor with SSE4.2 supported, the processor will