[PATCH v3 1/2] arm64: Implement arch_stack_walk_reliable

[Miroslav Benes]

On Thu, 20 Mar 2025, Song Liu wrote:

> With proper exception boundary detection, it is possible to implment
> arch_stack_walk_reliable without sframe.
> 
> Note that, arch_stack_walk_reliable does not guarantee getting reliable
> stack in all scenarios. Instead, it can reliably detect when the stack
> trace is not reliable, which is enough to provide reliable livepatching.
> 
> Signed-off-by: Song Liu <song at kernel.org>

Looks good to me.

Reviewed-by: Miroslav Benes <mbenes at suse.cz>

M