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CONFIG_CRYPTO_CRC32C_VPMSUM: CRC32c

General informations

The Linux kernel configuration item CONFIG_CRYPTO_CRC32C_VPMSUM has multiple definitions:

CRC32c found in arch/powerpc/crypto/Kconfig

The configuration item CONFIG_CRYPTO_CRC32C_VPMSUM:

Help text

CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720)

Architecture: powerpc64 using - AltiVec extensions

Enable on POWER8 and newer processors for improved performance.

CRC32c CRC algorithm (powerpc64) found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_CRC32C_VPMSUM:

Help text

CRC32c algorithm implemented using vector polynomial multiply-sum (vpmsum) instructions, introduced in POWER8. Enable on POWER8 and newer processors for improved performance.

Hardware

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