Le 16/02/2023 à 06:09, Rohan McLure a écrit :
> Enable HAVE_ARCH_KCSAN on all powerpc platforms, permitting use of the
> kernel concurrency sanitiser through the CONFIG_KCSAN_* kconfig options.
> 
> Boots and passes selftests on 32-bit and 64-bit platforms. See
> documentation in Documentation/dev-tools/kcsan.rst for more information.
> 
> Signed-off-by: Rohan McLure <rmcl...@linux.ibm.com>
> ---
> New patch
> ---
>   arch/powerpc/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 2c9cdf1d8761..45771448d47a 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -197,7 +197,7 @@ config PPC
>       select HAVE_ARCH_KASAN                  if PPC_RADIX_MMU
>       select HAVE_ARCH_KASAN                  if PPC_BOOK3E_64
>       select HAVE_ARCH_KASAN_VMALLOC          if HAVE_ARCH_KASAN
> -     select HAVE_ARCH_KCSAN                  if PPC_BOOK3S_64
> +     select HAVE_ARCH_KCSAN

So that's a followup of a not yet posted version v5 of the other series ?
Why not just add patch 1 in that series and have KCSAN for all powerpc 
at once ?

>       select HAVE_ARCH_KFENCE                 if ARCH_SUPPORTS_DEBUG_PAGEALLOC
>       select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET
>       select HAVE_ARCH_KGDB

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