On Wed, Jul 09, 2025 at 04:14:07PM +0530, neeraj.upadh...@kernel.org wrote:
> From: "Paul E. McKenney" <paul...@kernel.org>
>
> 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 <paul...@kernel.org>
> Cc: Marco Elver <el...@google.com>
> Cc: Dmitry Vyukov <dvyu...@google.com>
> Cc: Catalin Marinas <catalin.mari...@arm.com>
> Cc: Will Deacon <w...@kernel.org>
> Cc: <kasan-...@googlegroups.com>
> Cc: <linux-arm-ker...@lists.infradead.org>
> Signed-off-by: Neeraj Upadhyay (AMD) <neeraj.upadh...@kernel.org>
> ---
> 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 <w...@kernel.org>
Will
