Messages in this thread | | | Subject | Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8) | From | Peter Zijlstra <> | Date | Thu, 27 May 2010 20:06:38 +0200 |
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On Thu, 2010-05-27 at 18:59 +0100, Matthew Garrett wrote: > On Thu, May 27, 2010 at 07:56:21PM +0200, Peter Zijlstra wrote: > > On Thu, 2010-05-27 at 18:52 +0100, Matthew Garrett wrote: > > > > > If that's what you're aiming for then you don't need to block > > > applications on hardware access because they should all already have > > > idled themselves. > > > > Correct, a well behaved app would have. I thought we all agreed that > > well behaved apps weren't the problem? > > Ok. So the existing badly-behaved application ignores your request and > then gets blocked. And now it no longer responds to wakeup events.
It will, when it gets unblocked from whatever thing it got stuck on.
> So you penalise well-behaved applications without providing any benefits to > badly-behaved ones.
Uhm, how again is blocking a badly behaved app causing harm to the well behaved one?
The well behaved one didn't get blocked and still happily waiting (on its own accord, in sys_poll() or something) for something to happen, if it would get an event it'd be placed on the runqueue and do its thing.
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