On Wed, Jul 09, 2025 at 04:14:07PM +0530, [email protected] wrote:
> From: "Paul E. McKenney" <[email protected]>
> 
> The arm64 architecture requires that KCSAN-enabled kernels be built with
> the CONFIG_EXPERT=y Kconfig option.  This commit therefore causes the
> torture.sh script to provide this option, but only for --kcsan runs on
> arm64 systems.
> 
> Signed-off-by: Paul E. McKenney <[email protected]>
> Cc: Marco Elver <[email protected]>
> Cc: Dmitry Vyukov <[email protected]>
> Cc: Catalin Marinas <[email protected]>
> Cc: Will Deacon <[email protected]>
> Cc: <[email protected]>
> Cc: <[email protected]>
> Signed-off-by: Neeraj Upadhyay (AMD) <[email protected]>
> ---
>  tools/testing/selftests/rcutorture/bin/torture.sh | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/rcutorture/bin/torture.sh 
> b/tools/testing/selftests/rcutorture/bin/torture.sh
> index 25847042e30e..420c551b824b 100755
> --- a/tools/testing/selftests/rcutorture/bin/torture.sh
> +++ b/tools/testing/selftests/rcutorture/bin/torture.sh
> @@ -313,6 +313,13 @@ then
>       do_scftorture=no
>  fi
>  
> +# CONFIG_EXPERT=y is currently required for arm64 KCSAN runs.
> +kcsan_expert=
> +if test "${thisarch}" = aarch64
> +then
> +     kcsan_expert="CONFIG_EXPERT=y"
> +fi

Acked-by: Will Deacon <[email protected]>

Will

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