On 07/12/2011 12:31 PM, Peter Zijlstra wrote:
> > But it means that 'current' is not set to the right value. If the > function depends on it, then it will misbehave. And in fact > preempt_notifier_register(), which is the function we want to call here, > does depend on current. > > Of course we need to find more users for this, but I have a feeling this > will be generally useful. The alternative is to keep adding bits to > thread_info::flags. Using TIF_bits sounds like a much better solution for this, wakeups are really rather expensive and its best to avoid extra if at all possible.
We do need a way to make the task look at them. -- 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