[PATCH v2 6/6] Documentation/kasan: Update details of KASAN on powerpc

[Christophe Leroy]

Le 18/05/2022 à 12:07, Paul Mackerras a écrit :
> From: Daniel Axtens <dja at axtens.net>
> 
> Signed-off-by: Paul Mackerras <paulus at ozlabs.org>

This change doesn't apply, can you rebase ?

Thanks
Christophe

> ---
>   Documentation/dev-tools/kasan.rst | 7 ++++++-
>   1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
> index 8089c559d339..448995c11bee 100644
> --- a/Documentation/dev-tools/kasan.rst
> +++ b/Documentation/dev-tools/kasan.rst
> @@ -36,7 +36,9 @@ Both software KASAN modes work with SLUB and SLAB memory allocators,
>   while the hardware tag-based KASAN currently only supports SLUB.
>   
>   Currently, generic KASAN is supported for the x86_64, arm, arm64, xtensa, s390,
> -and riscv architectures, and tag-based KASAN modes are supported only for arm64.
> +and riscv architectures. It is also supported on powerpc for 32-bit kernels and
> +for 64-bit kernels running under the Radix MMU. Tag-based KASAN modes are
> +supported only for arm64.
>   
>   Usage
>   -----
> @@ -351,6 +353,9 @@ With ``CONFIG_KASAN_VMALLOC``, KASAN can cover vmalloc space at the
>   cost of greater memory usage. Currently, this is supported on x86,
>   riscv, s390, and powerpc.
>   
> +It is optional, except on 64-bit powerpc kernels, and on 32-bit
> +powerpc kernels with module support, where it is required.
> +
>   This works by hooking into vmalloc and vmap and dynamically
>   allocating real shadow memory to back the mappings.
>