[Bug 12826] cpufreq driver do not expose all data and configuration to /sys

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http://bugzilla.kernel.org/show_bug.cgi?id=12826





------- Comment #15 from anonymous@xxxxxxxxxxxxxxxxxxxx  2009-03-06 20:46 -------
Reply-To: akpm@xxxxxxxxxxxxxxxxxxxx

On Sat, 7 Mar 2009 04:38:57 +0000 Matthew Garrett <mjg@xxxxxxxxxx> wrote:

> On Fri, Mar 06, 2009 at 08:27:56PM -0800, Andrew Morton wrote:
> > On Sat, 7 Mar 2009 03:45:12 +0000 Matthew Garrett <mjg@xxxxxxxxxx> wrote:
> > 
> > > The low-level cpufreq drivers have no idea whether a speed request 
> > > originated from userspace or the kernel, so we'd need to either special 
> > > case p4-clockmod in the core or add an argument that everything other 
> > > than p4-clockmod ignores. Or we could figure out why this computer 
> > > overheats and fix that bug.
> > 
> > Please stop deleting and then ignoring everything I say.
> > 
> > The ONLY way of fully repairing this regression is to restore the sysfs
> > files, and their 2.6.28 functionality.
> 
> Resulting in computers that run slower and consume more power. "My 
> script that does something stupid now gives an error" isn't a 
> regression. "My computer now overheats" is a bug that was being hidden 
> in the first place. Why don't we just fix that bug?

Do the thing which I suggested, and which you deleted without comment.

Or something else!  Just don't break existing userspace code, and
people's computers.  I'm sure you can manage this.


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