Re: [PATCH 03/18] x86 idle APM: deprecate CONFIG_APM_CPU_IDLE

[Alan Cox]

> We don't want to export the pm_idle function pointer to modules.
> Currently CONFIG_APM_CPU_IDLE w/ CONFIG_APM_MODULE forces us to.

So you could jsut compile it in ...

> CONFIG_APM_CPU_IDLE is of dubious value, it runs only on 32-bit
> uniprocessor laptops that are over 10 years old.  It calls into
> the BIOS during idle, and is known to cause a number of machines
> to fail.

It also works on lots of desktops from that era, more of which are still
around.

> 
> Removing CONFIG_APM_CPU_IDLE and will allow us to stop exporting
> pm_idle.  Any systems that were calling into the APM BIOS
> at run-time will simply use HLT instead.

(which is btw what quite a few later APM implementations seem to do ;))


> +What:	CONFIG_APM_CPU_IDLE, and its ability to call APM BIOS in idle
> +When:	2.6.40

One release isn't enough time - it won't propagate out - you keep
rushing, hurrying and pushing at this trying to do it fast.

Why - its a sigle symbol export of minor ugliness, it doesn't justify the
amount of hatred you are expending upon it.

Give it a year, it doesn't cause any complexities I can see.

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