[PATCH] arm64: stacktrace: don't trace arch_stack_walk()

[Mark Brown]

On Fri, Mar 19, 2021 at 06:41:06PM +0000, Mark Rutland wrote:
> We recently converted arm64 to use arch_stack_walk() in commit:
> 
>   5fc57df2f6fd ("arm64: stacktrace: Convert to ARCH_STACKWALK")
> 
> The core stacktrace code expects that (when tracing the current task)
> arch_stack_walk() starts a trace at its caller, and does not include
> itself in the trace. However, arm64's arch_stack_walk() includes itself,

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