On Thu, 27 May 2010, Peter Zijlstra wrote: > On Thu, 2010-05-27 at 18:40 +0100, Matthew Garrett wrote: > > On Thu, May 27, 2010 at 07:34:40PM +0200, Peter Zijlstra wrote: > > > > we still need to be able to enter suspend while the system isn't idle. > > > > > > _WHY_!? > > > > Because if I'm running a kernel build in a tmpfs and I hit the sleep > > key, I need to go to sleep. Blocking processes on driver access isn't > > sufficient. > > But that's a whole different issue. I agree that a forced suspend for > things like that make sense, just not for power managing a running > system. Why not? Or rather, why shouldn't it? > PC style hardware like that doesn't wake up from suspend for > funny things like a keypress either (good thing too). Yes it does. If I close the lid of my laptop, wait a few seconds for it to suspend, then open the lid (which does not wake it up), and hit a key -- it wakes up. > Anyway all that already works (more or less), so I don't see the > problem. The "less" part is the problem. It would be nice to have a forced suspend mode that is more dicriminating: Instead of activating immediately it would wait until all pending events were handled. Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
