[PATCH v10 04/11] arm64: Make return_address() use arch_stack_walk()

[Mark Brown]

On Thu, Oct 14, 2021 at 09:58:40PM -0500, madvenka at linux.microsoft.com wrote:
> From: "Madhavan T. Venkataraman" <madvenka at linux.microsoft.com>
> 
> Currently, return_address() in ARM64 code walks the stack using
> start_backtrace() and walk_stackframe(). Make it use arch_stack_walk()
> instead. This makes maintenance easier.

Reviewed-by: Mark Brown <broonie at kernel.org>
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