From: Wilson Yeung <firstname.lastname@example.org>
Date: Wed, 16 Jan 2002 17:03:58 -0800 (PST)
The discreprency is that get_fast_time() returns the current value of
xtime, while do_gettimeofday() may actually calculate the time and
consider both xtime and the jiffies.
Look at the x86 implementation of do_fast_time, it equals
do_gettimeofday() when TSC is present which is the only time
that do_gettimeofday is going to be more accurate than xtime.
Franks a lot,
David S. Miller
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