diff mbox series

[3/4] riscv: Remove MMU dependency from Zbb and Zicboz

Message ID 20240227003630.3634533-4-samuel.holland@sifive.com
State New
Headers
Series riscv: 64-bit NOMMU fixes and enhancements |

Commit Message

Samuel Holland Feb. 27, 2024, 12:34 a.m. UTC 
  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>
---

 arch/riscv/Kconfig | 2 --
 1 file changed, 2 deletions(-)

Comments

Conor Dooley Feb. 27, 2024, 11:51 a.m. UTC | #1 
On Mon, Feb 26, 2024 at 04:34:48PM -0800, Samuel Holland wrote:
> 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>

Cheers,
Conor.

> ---
> 
>  arch/riscv/Kconfig | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index bffbd869a068..ef53c00470d6 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -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
> -- 
> 2.43.0
>
diff mbox series

Patch

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index bffbd869a068..ef53c00470d6 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -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