On Wednesday, January 18, 2012, Antti P Miettinen wrote:
> mark gross <markgross@xxxxxxxxxxx> writes:
> > I'm not a big fan of the cpufreq seamanly redundant export either.
> > Doesn't the equivalent data get exported under
> > /sys/devices/system/cpu/cpu?/cpufreq/ ?
>
> The added sysfs nodes are under /sys/devices/system/cpu/cpu?/cpufreq.
> They do no not duplicate functionality, they are just an
> addition.
So please drop them for now.
> Currently you can request a new minimum by writing to
> scaling_min_freq and you can view the currently enforced policy->min via
> the same file. Patch 3 adds read-only policy_{min,max}_freq nodes for
> being able to inspect the user_policy.min/max. This is related to patch
> 4 which preserves the requested min/max in user_policy instead of
> storing the enforced min/max to user_policy. This is in turn related to
> patch 5. We need to be able to revert back to requested min/max when PM
> QoS constraints get lifted. I think we do not want to overwrite
> user_policy min/max with policy->min/max as those values can be affected
> by temporary constraints.
>
> I would welcome more comments on patches 3 and 4.
I would drop patch 3 and fold patch 4 into patch 5.
Thanks,
Rafael
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