On 5/2/07, Davi Arnaut <[EMAIL PROTECTED]> wrote:
thread A: int fd = plfutex(addr, 0); do poll(fdset+fd); process network events queue obj to thread B if fd: job processedthread B: wait_job(); process_job(); raise_event(addr);
This is not the model you can implement with your changes. Because every single waiter is woken you need one thread listening for the jobs and then distribute the work. Otherwise you have thundering herds of threads and only one gets to do some work.
It simple as is, there is no need to overdesign.
There is no reason to go with a limited, too-simple minded design if we've already identified a much better design. The fact that poll is used today does not excuse piling on more and more code which makes additional functions which don't fit into the poll framework barely work. Plus, poll/epoll itself is a problem. And you cannot talk about little changes and no "overdesign". You have 22 patches for all this. It's not just limited to futexes, it's the whole thing which IMO is unnecessary ballast going forward. - 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/
