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Date: Sun, 21 Jan 2007 13:55:35 -0500
From: Theodore Tso <tytso@mit.edu>
To: Willy Tarreau <w@1wt.eu>
Cc: Joe Barr <joe@pjprimer.com>,
       Linux Kernel mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Serial port blues
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On Sun, Jan 21, 2007 at 08:05:57AM +0100, Willy Tarreau wrote:
> Hmmm the busy loop is dirty as hell, even on SMP, but it works ;-)
> I remember is was possible to reprogram the RTC to interrupt at 8192 Hz.
> If the task is running with real time prio, it should get this accuracy,
> or am I mistaken ?

You can do in a kernel module.  The problem with a userspace program
is that without the -rt patches, you can't guarantee that userspace
process will get a chance to run in time.

						- Ted
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