[PATCH v4 01/29] powerpc/mm: add ARCH_PKEY_BITS to Kconfig

Michael Ellerman mpe at ellerman.id.au
Mon May 6 18:57:32 AEST 2024


Joey Gouly <joey.gouly at arm.com> writes:
> The new config option specifies how many bits are in each PKEY.
>
> Signed-off-by: Joey Gouly <joey.gouly at arm.com>
> Cc: Michael Ellerman <mpe at ellerman.id.au>
> Cc: Nicholas Piggin <npiggin at gmail.com>
> Cc: Christophe Leroy <christophe.leroy at csgroup.eu>
> Cc: "Aneesh Kumar K.V" <aneesh.kumar at kernel.org>
> Cc: "Naveen N. Rao" <naveen.n.rao at linux.ibm.com>
> Cc: linuxppc-dev at lists.ozlabs.org
> ---
>  arch/powerpc/Kconfig | 4 ++++
>  1 file changed, 4 insertions(+)

Acked-by: Michael Ellerman <mpe at ellerman.id.au> (powerpc)

cheers

> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 1c4be3373686..6e33e4726856 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -1020,6 +1020,10 @@ config PPC_MEM_KEYS
>  
>  	  If unsure, say y.
>  
> +config ARCH_PKEY_BITS
> +	int
> +	default 5
> +
>  config PPC_SECURE_BOOT
>  	prompt "Enable secure boot support"
>  	bool
> -- 
> 2.25.1


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