Re: [patch-mm] dynticks: Fix one off jiffy update

From: Ingo Molnar
Date: Wed Jan 31 2007 - 08:13:00 EST



* Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

> Sigh. /me wanted to be too clever and needs to order more brown
> paperbags now.
>
> The rework of the jiffy update code introduced a one off error, which
> led to a one off accounting error for last_jiffy_update. This made
> jiffies lag behind.
>
> Noticed by Karsten Wiese (cpufreq_ondemand weirdness).

Karsten - thanks for tracking this regression down to the jiffies update
code! I'm wondering, do you still the suspend slowness problem with this
fix applied as well?

Ingo
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