Unverified Commit 9c4319d6 authored by Samuel Holland's avatar Samuel Holland Committed by Palmer Dabbelt
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riscv: Remove MMU dependency from Zbb and Zicboz 



The Zbb and Zicboz ISA extensions have no dependency on an MMU and are
equally useful on NOMMU kernels.

Signed-off-by: default avatarSamuel Holland <samuel.holland@sifive.com>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240227003630.3634533-4-samuel.holland@sifive.com


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent aea702dd

arch/riscv/Kconfig

+0 −2
Original line number Diff line number Diff line
@@ -581,7 +581,6 @@ config TOOLCHAIN_HAS_ZBB 
config RISCV_ISA_ZBB

	bool "Zbb extension support for bit manipulation instructions"

	depends on TOOLCHAIN_HAS_ZBB

	depends on MMU

	depends on RISCV_ALTERNATIVE

	default y

	help
@@ -613,7 +612,6 @@ config RISCV_ISA_ZICBOM 


config RISCV_ISA_ZICBOZ

	bool "Zicboz extension support for faster zeroing of memory"

	depends on MMU

	depends on RISCV_ALTERNATIVE

	default y

	help