On Tue, Jun 23, 2015 at 09:10:03AM -0700, Davidlohr Bueso wrote: > On Mon, 2015-06-22 at 14:16 +0200, Peter Zijlstra wrote: > > This series converts the cpu hotplug lock into a percpu-rwsem to provide a > > 3rd > > user. > > Curious, why not also mem hotplug? It seems to use the exact same > locking mayhem than cpu.
Because it looks like they 'forgot' to copy the notifiers and therefore I suspect we could simplify things. We might not need the recursive nonsense. But I've not yet actually looked at it much. I was indeed greatly saddened that these people copied cpu hotplug; clearly they had not gotten the memo that cpu hotplug is a trainwreck. -- 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/
