Re: [PATCH] x86 APM: delete Linux kernel APM support

From: H. Peter Anvin
Date: Mon Apr 11 2011 - 14:21:16 EST

On 04/11/2011 06:05 AM, Pavel Machek wrote:
> Hi!
>>>> Well, it kind of does but not really. :-)
>>>> The main problem with APM is that nobody really works on it and I'm not sure
>>>> if there are any active users. At least no one reports any problems with it,
>>>> which is kind of surprising, given the number of chages we've made in the PM
>>>> core for the last couple of years. So quite likely it's just become
>>>> non-functional over time anyway, but we have no confirmation.
>>> It was working ok last time I tried -- cca 6/2010.
>> What aspects of it did you test, and on what platform?
> thinkpad 560X.
> I tested basic boot, IIRC it did turn backlight off properly in
> screensaver and even suspend worked.
> Pavel

OK, but I presume runtime power management wasn't on the list at least
on what matters.


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