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Mark Rutland authored
Both unwind_frame() and dump_backtrace() try to check whether a stack address is sane to access, with very similar logic. Both will need updating in order to handle overflow stacks. Factor out this logic into a helper, so that we can avoid further duplication when we add overflow stacks. Signed-off-by:
Mark Rutland <mark.rutland@arm.com> Reviewed-by:
Will Deacon <will.deacon@arm.com> Tested-by:
Laura Abbott <labbott@redhat.com> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: James Morse <james.morse@arm.com>
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