2010/6/6 Florian Mickler <florian@xxxxxxxxxxx>:
> Suspend_blockers allow the system to suspend ("mem">/sys/power/state
> suspend), when the userspace decides that the device is not in use.
Sorry. What? Blockers allow the system to suspend?
> So implementing suspend_blockers support does not impact any
> optimizations done to either system A nor system B.
Suspend blockers by themselves are of no use. Completely. So any talks
on suspend blockers separated from the sleep policy are completely
pointless.
The suspend blockers are of use when the userspace tries to blindly
freeze the tasks to enter the suspend state. This way of hammering the
system down obviously impacts everything.
~Vitaly
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