On Thursday 10 January 2008 05:16:57 Zach Brown wrote: > > The latter. A ring is optimal for processing a huge number of requests, > > but if you're really going to be firing off syslet threads all over the > > place you're not going to be optimal anyway. And being able to point the > > return value to the stack or into some datastructure is way nicer to code > > (zero setup == easy to understand and easy to convert). > > One of Linus' rhetorical requirements for the syslets work is that we be > able to wait for the result without spending overhead building up state > in some completion context. The userland rings in the current syslet > patches achieve that and don't seem outrageously complicated.
I'd have to read his original statement, but eventfd doesn't build up state, so I think it qualifies. YA incompatible userspace notification system just doesn't excite me though. Cheers, Rusty. -- 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/