CONFIG_RISCV_ISA_ZBC: Zbc extension support for carry-less multiplication instructions

General informations

The Linux kernel configuration item CONFIG_RISCV_ISA_ZBC:

• prompt: Zbc extension support for carry-less multiplication instructions
• type: bool
• depends on: ( CONFIG_TOOLCHAIN_HAS_ZBC ) && ( CONFIG_MMU ) && ( CONFIG_RISCV_ALTERNATIVE )
• defined in arch/riscv/Kconfig
• found in Linux kernels: 6.11–6.13, 6.14-rc+HEAD

Help text

Adds support to dynamically detect the presence of the Zbc extension (carry-less multiplication) and enable its usage.

The Zbc extension could accelerate CRC (cyclic redundancy check) calculations.

If you don't know what to do here, say Y.

Hardware

LKDDb

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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