On Sat, Jul 28, 2007 at 12:47:37AM +0200, Stefan Richter wrote:
> Adrian Bunk wrote:
> > The dependency of SUSPEND_SMP on HOTPLUG_CPU is quite unintuitive,
>
> It's not entirely unintuitive. That option's full name is "Support for
> suspend on SMP and hot-pluggable CPUs".
>
> Only the place where you find the option is unintuitive, as far as its
> first application is concerned. (It lives in the "Processor type and
> features" menu which is OK for the 2nd application of this option.) And
> the variable name of that option is unintuitive because it covers only
> the 2nd application of the option, I suppose for historical reasons.
We can figure out ourselves when HOTPLUG_CPU is required, so there's no
reason to bother the user with it.
> > +config SUSPEND_SMP_POSSIBLE
> > + bool
> > + depends on (X86 && !X86_VOYAGER) || (PPC64 && (PPC_PSERIES || PPC_PMAC))
> > + depends on SMP
> > + default y
> > +
> > +config SUSPEND_SMP
> > + bool
> > + depends on SUSPEND_SMP_POSSIBLE && SOFTWARE_SUSPEND
> > + select HOTPLUG_CPU
> > + default y
>
> Yes, that's the price to pay if you want to select something that in
> turn depends on a number of other things.
Yes, but a good user interface is worth it.
> Wait, doesn't HOTPLUG_CPU also depend on EXPERIMENTAL?
Damn, I started thinking about it, and then forgot about it when
finishing the patch.
My thoughts were:
Is HOTPLUG_CPU still an experimental feature, or has it become a
well-tested no longer experimental feature now that it's used on
most recent laptops?
> Stefan Richter
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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