Messages in this thread | | | Date | Thu, 16 Jul 2009 06:45:16 -0700 | From | Arjan van de Ven <> | Subject | Re: [PATCH 0/8] device async action mechanism |
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Henrique de Moraes Holschuh wrote: > On Thu, 16 Jul 2009, Zhang Rui wrote: >> the kernel device suspend time is reduced from 3.2s to 2.8s after >> applying this patch set in my test box. > > It will give even a bigger boot time saving on ThinkPads, where there is a > Synaptics (or ALPS if you are unlucky) touchpad with the trackpoint behind > it... it takes about 2s to init both devices here. That's two seconds of > boot time you can shove off if it is being initialized assyncronously :-) >
that's a different problem that I don't think this will solve; as long as you keep the boot of the kernel wait for all async actions, you're going to hit that wait. In Moblin we have a (bad) patch to not do the wait, at some point we need to figure how to get a mainline-able patch....
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