On Thu, 2015-07-02 at 12:48 +0300, Vitaly Chernooky wrote: > Hi all! > Hi, > > I have theoretical question. > Great, I love theoretical stuff! :-P > > What do you think about porting futexes or binder to XEN? > Ouch... That's *too* theoretical! :-)
No, really, I know a bit about futexes [0], while I know nothing about binder (I'll investigate). Actually, we don't even have mutexes _within_ the hypervisor, so I struggle a bit to figure out how it would be useful to offer a similar support to whatever is userspace for us (i.e., what futexes do, as far as I can recall). So, that's why I was joking/saying about this being too much theoretical: do you have a use case in mind where something like that can help and be useful? If yes, I'd be interested in hearing about it. Regards, Dario [0] http://www.akkadia.org/drepper/futex.pdf -- <<This happens because I choose it to happen!>> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
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