[linux-pm] [RFD] Automatic suspend

Rafael J. Wysocki rjw at sisk.pl
Fri Feb 20 02:46:55 PST 2009


On Thursday 19 February 2009, Oliver Neukum wrote:
> Am Donnerstag 19 Februar 2009 23:21:46 schrieb Rafael J. Wysocki:
> > > That's the whole point behind userspace wakelocks!  They provide a
> > > mechanism for userspace to tell the kernel when (as far as userspace 
> is
> > > concerned) it is or is not okay to auto-sleep.
> >
> > Still, one can go further and observe that the user space can in fact start
> > automatic suspend by itself whenever it knows it's appropriate ...
> 
> User space initiating this is a race condition.

Do you mean a race with the other user space processes or with the kernel?

Rafael


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