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bfff072c50
The cpu_exec_step_atomic() function is called with the cpu->running clear and proceeds to run target code without setting this flag. If this target code generates an exception then handle_cpu_signal() will unnecessarily abort. For example if atomic code generates a memory protection fault. This patch at least sets and clears this running flag, and adds some assertions to help detect other cases. Signed-off-by: Douglas Crosher <dtc-ubuntu@scieneer.com> Message-Id: <a272c656-f7c5-019d-1cc0-499b8f80f2fc@scieneer.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>