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SubjectRE: [PATCH v13 11/11] arm64: Select HAVE_RELIABLE_STACKTRACE
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Hi Madhavan,

> Select HAVE_RELIABLE_STACKTRACE in arm64/Kconfig to allow
> arch_stack_walk_reliable() to be used.
>
> Note that this is conditional upon STACK_VALIDATION which will be added when frame pointer validation is implemented (say
> via objtool).

I know that Julien Thierry published objtool support for arm64 [1], but I'm not
sure if it has been updated. Could you tell me other threads if you know?

[1] https://lore.kernel.org/linux-arm-kernel/20210303170932.1838634-1-jthierry@redhat.com/


Thanks,
Keiya

>
> Signed-off-by: Madhavan T. Venkataraman <madvenka@linux.microsoft.com>
> ---
> arch/arm64/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index f6e333b59314..bc7b3514b563 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -223,6 +223,7 @@ config ARM64
> select THREAD_INFO_IN_TASK
> select HAVE_ARCH_USERFAULTFD_MINOR if USERFAULTFD
> select TRACE_IRQFLAGS_SUPPORT
> + select HAVE_RELIABLE_STACKTRACE if FRAME_POINTER && STACK_VALIDATION
> help
> ARM 64-bit (AArch64) Linux support.
>
> --
> 2.25.1

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