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/

Reply via email to