> Yes, postgress performs loads better with it's spinlocks, but due to > that, it necessarily _hates_ preemption. How the is the scheduler > supposed to know that any specific userland task _really_ shouldn't be > preempted at any specific time, else bad things follow?
You provide a shared page for a process group so it can write hints to which is kernel mapped so the scheduler can peek.. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
