On 09/07/2011 08:21 PM, Don Zickus wrote:
> > How about, during NMI, save %rip to a per-cpu variable. Handle just > one cause. If, on the next NMI, we hit the same %rip, assume > back-to-back NMI has occured and now handle all causes. I had a similar idea a couple of months ago while debugging a continuous flow of back-to-back NMIs from a stress-test perf application and I couldn't get it to work. But let me try it again, because it does make sense as an optimization.
Great, thanks. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html