On Mon, Jun 8, 2009 at 8:06 AM, Ingo Molnar<mingo@xxxxxxx> wrote: > > * Matthew Garrett <mjg59@xxxxxxxxxxxxx> wrote: >> I'd like the kernel to expose this functionality but leave the >> policy decisions to userland. > > The thing is, suspending something that is being used and relied on > by an app is a _bug_. This is rather fundamental: hardware state and > usage tracking is _NOT POLICY_. Yes. But, actual example time: what about the case where completely turning off a laptop's DVD drive saves extra power, but then also turns off kernel and userspace notification of a disc being inserted? One of the Other OS's handles this by having a popup when the battery gets low, asking if it's okay to turn the drive off. This is part of what Matthew is talking about here. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html