Re: [PATCH 8/8] arm64: Enable livepatch for ARM64

Prasanna Kumar T S M
2025-01-31T16:08:52Z

On 28-01-2025 03:03, Weinan Liu wrote:
> Since SFrame is considered as reliable stacktrace, enable livepatch in
> arch/arm64/Kconfig
>
> Signed-off-by: Weinan Liu <wnliu@google.com>
> ---
> arch/arm64/Kconfig | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 100570a048c5..c292bc73b65c 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -271,6 +271,8 @@ config ARM64
> select HAVE_SOFTIRQ_ON_OWN_STACK
> select USER_STACKTRACE_SUPPORT
> select VDSO_GETRANDOM
> + select HAVE_RELIABLE_STACKTRACE if SFRAME_UNWINDER
> + select HAVE_LIVEPATCH if HAVE_DYNAMIC_FTRACE_WITH_ARGS && HAVE_RELIABLE_STACKTRACE
> help
> ARM 64-bit (AArch64) Linux support.
>
> @@ -2498,3 +2500,4 @@ source "drivers/acpi/Kconfig"
>
> source "arch/arm64/kvm/Kconfig"
>
> +source "kernel/livepatch/Kconfig"

Will this work for ftrace'd (kprobe'd) function as well?