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Subject: Re: [RFC][PATCH] Adjust SHIFT_PLL to improve NTP convergence.
From: john stultz <johnstul@us.ibm.com>
To: George Spelvin <linux@horizon.com>
Cc: ulrich.windl@rz.uni-regensburg.de, linux-kernel@vger.kernel.org,
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On Thu, May 7, 2009 at 11:07 AM, George Spelvin <linux@horizon.com> wrote:
> - If there were some mechanism to make the divisor consistent across
>  boots, that would be helpful.  Imagine a file in /sys that I could
>  write with an absolute frequency at boot time as long as it was within
>  1000 ppm (0.1%) of the kernel's measurement.
>
> Thinking about it, the third option seems the most useful.  It's
> basically a cleaned-up tickadj.

Indeed. Something similar to the lpj= boot option might be nice. I'll
take a look at that.

thanks
-john