Paul (??) Menage wrote: > On 7/17/07, Balbir Singh <[EMAIL PROTECTED]> wrote: >> without too much knowledge of each other. BTW, what are the semantics >> of css_put() is it expected to free the container/run the release agent >> when the reference count of the container_subsys_state drops to zero? >> > > If you css_put() the last reference on a subsystem state object and > the associated container is marked as notify_on_release, then > check_for_release() is called which does a more full check of whether > the container is releasable. If it is, a workqueue task is scheduled > to run the userspace release agent, which can then do anything it > wants, including potentially deleting the empty container. >
Ok.. so my problem still remains, how do I get a non-blocking atomic reference increment/decrement routine, that would prevent my container from being deleted? I don't find cpusets using css_put(). I was hoping that we could alter css_* would provide the functionality I need. -- Warm Regards, Balbir Singh Linux Technology Center IBM, ISTL - 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/