Messages in this thread | | | Date | Sun, 6 Jan 2008 22:21:57 +1100 | From | Paul Mackerras <> | Subject | Re: Idle loadavg of ~1, maybe MD related |
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Andrew Morton writes:
> Maybe, but we can usually work around it pretty comfortably. > > If smu_set_fan() is only ever called by a kernel thread then we can simply > flip it over to using wait_for_completion_interruptible(). > > If smu_set_fan() is also called from user processes then things aren't so > easy...
I believe most of the time spent waiting is actually spent inside the i2c layer in uninterruptible sleeps.
Robin, what does the "motherboard" line in /proc/cpuinfo say on your machine?
Paul.
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