On Fri, 2006-10-20 at 11:07 -0700, Andrew Morton wrote:
> > > So you're saying that CONFIG_NO_HZ breaks the touchpad?
> >
> > yes. At least for Acer Travelmate 8000 and HP nx6310 and HP nx7400.
> > Other than the touchpad - there is not a lot of common hardware between
> > these units. The readout becomes highly unreliable. (in X it starts
> > jumping around - it SORT OF resembles the output)
> >
> > My suspicion is a timing problem in the synaptic USB driver
>
> OK, that's going to be hard to fix and it'd be awkward (and unpopular) to
> make inclusion of the dynamic-ticks feature dependent on fixing this.
> (Then again, it'd get Ingo into device drivers ;))
Maybe Ingo is the lesser evil than me when it comes down to device
drivers :)
> However I would suggest that NO_HZ (at least) be dependent upon
> CONFIG_EXPERIMENTAL, no?
Fair enough.
> Also, NO_HZ breaks my laptop (and presumably quite a few others) quite
> horridly, which means nobody can ship the feature. Some runtime
> turn-it-off work needs to be done there.
We can make a commandline switch as for highres. Is that sufficient ?
tglx
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