[kvm-unit-tests PATCH v8 10/35] powerpc: interrupt stack backtracing

[Thomas Huth]

On 05/04/2024 10.35, Nicholas Piggin wrote:
> Add support for backtracing across interrupt stacks, and add
> interrupt frame backtrace for unhandled interrupts.
> 
> This requires a back-chain created from initial interrupt stack
> frame to the r1 value of the interrupted context. A label is
> added at the return location of the exception handler call, so
> the unwinder can recognize the initial interrupt frame.
> 
> The additional cstart entry-frame is no longer required because
> the unwinder now looks for frame == 0 as well as address == 0.
> 
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
> ---

Acked-by: Thomas Huth <thuth at redhat.com>