> Setting the thread flag being an atomic operation, I would expect > setting/clearing it asynchronously from another thread to be a valid
It could be a very short stop. Also do you start kernel tracing that often? > Here is a modified version where I add my test only in the path where we > know that we have work to do, therefore removing the supplementary test > from the performance critical path. Would it be more acceptable ? It's better, but stopping would be even better. I wouldn't be surprised if there are other problems with async thread flags changing. Also I object to you calling this a bug. It's a new feature. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/