Re: [PATCH v7 0/8] Tunable sched_mc_power_savings=n
From: Mike Galbraith
Date: Wed Jan 07 2009 - 03:59:32 EST
I have a couple questions if you don't mind.
In wake_idle() there's an odd looking check for kthreads. Why does it
matter if a kbuild task wakes kernel or userland helper thread?
I also don't see why sched_mc overrides domain tunings. You can turn
NEWIDLE off and sched_mc remains as set, so it's a one-way override. If
NEWIDLE is a requirement for sched_mc > 0, it seems only logical to set
sched_mc to 0 if the user explicitly disables NEWIDLE.
-Mike
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