David S. Miller wrote:
From: Patrick McHardy <[EMAIL PROTECTED]>
Date: Fri, 13 Jan 2006 00:01:34 +0100
It seems to be a common mistake to use jiffies as clocksource, which
gives very bad results in most cases. This patch changes the default
to gettimeofday.
Applied, this is definitely an improvement.
I'd like to really flesh this out at some point so that platforms can
do whatever makes the most sense for them. SPARC64, for example, has
synchronized cycle counter registers, so could use that by default
there.
It really doesn't belong in the config machinery, since many platforms
that might be able to use the cycle counter register do not know if
it's safe until runtime.
A lot of this is already done by the arch timer code and would be nice
to reuse, but the requirements are slightly different and so far it
doesn't look easy. But I'm also not very familiar with this area ..
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