[PATCH 1/8] PM: Add suspend block api.
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From: Tony Lindgren on 7 May 2010 18:10 * Matthew Garrett <mjg(a)redhat.com> [100507 14:44]: > On Fri, May 07, 2010 at 02:42:11PM -0700, Tony Lindgren wrote: > > * Matthew Garrett <mjg(a)redhat.com> [100507 14:34]: > > > How do you know to wake the process up in response to the keypress? > > > > Does it matter for processes that are not "certified"? Maybe you > > could assume that you can keep it stopped until the screen is on > > again, or some other policy. > > Yes, it matters. You don't necessarily know whether to turn the screen > on until the app has had an opportunity to process the event. This is > exactly the kind of use case that suspend blocks are intended to allow, > so alternatives that don't permit that kind of use case aren't really > adequate alternatives. Hmm, I'm thinking there would not be any need to turn the screen on for the broken apps until some other event such as a tap on the screen triggers the need to turn the screen on. If it's a critical app, then it should be fixed so it's safe to keep running. And yeah, I guess you could cgroups to categorize "timer certified" and "broken" apps. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Matthew Garrett on 7 May 2010 18:30
On Fri, May 07, 2010 at 03:00:26PM -0700, Tony Lindgren wrote: > Hmm, I'm thinking there would not be any need to turn the screen on > for the broken apps until some other event such as a tap on the screen > triggers the need to turn the screen on. > > If it's a critical app, then it should be fixed so it's safe to keep > running. > > And yeah, I guess you could cgroups to categorize "timer certified" > and "broken" apps. This is a perfectly valid model, but it's not one that matches Android. -- Matthew Garrett | mjg59(a)srcf.ucam.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |