On Thu, May 13, 2010 at 01:23:20PM -0700, Tony Lindgren wrote: > * Matthew Garrett <mjg@xxxxxxxxxx> [100513 13:03]: > > On Thu, May 13, 2010 at 01:00:04PM -0700, Tony Lindgren wrote: > > > > > The system stays running because there's something to do. The system > > > won't suspend until all the processors hit the kernel idle loop and > > > the next_timer_interrupt_critical() returns nothing. > > > > At which point an application in a busy loop cripples you. > > Maybe you could deal with the misbehaving untrusted apps in the userspace > by sending kill -STOP to them when the screen blanks? Then continue > when some event wakes up the system again. And if that's the application that's listening to the network socket that you want to get a wakeup event from? This problem is hard. I'd love there to be an elegant solution based on using the scheduler, but I really don't know what it is. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
