Skip to content

Commit

Permalink
riscv: Remove MMU dependency from Zbb and Zicboz
Browse files Browse the repository at this point in the history 
The Zbb and Zicboz ISA extensions have no dependency on an MMU and are
equally useful on NOMMU kernels.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240227003630.3634533-4-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
  • Loading branch information
Samuel Holland authored and Palmer Dabbelt committed Apr 9, 2024
1 parent aea702d commit 9c4319d
Showing 1 changed file with 0 additions and 2 deletions.
2 changes: 0 additions & 2 deletions arch/riscv/Kconfig
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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
Expand Down

0 comments on commit 9c4319d

Please sign in to comment.