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由 Arjan van de Ven 提交于
The 32 bit Frame Pointer backtracer code checks if the EBP is valid to do a backtrace; however currently on a failure it just gives up and prints nothing. That's not very nice; we can do better and still print a decent backtrace. This patch changes the backtracer to use the regular backtracing algorithm at the same time as the EBP backtracer; the EBP backtracer is basically used to figure out which part of the backtrace are reliable vs those which are likely to be noise. Signed-off-by: NArjan van de Ven <arjan@linux.intel.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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