svn commit: r219646 - head/sys/x86/isa

Kostik Belousov kostikbel at gmail.com
Tue Mar 15 21:31:16 UTC 2011


On Tue, Mar 15, 2011 at 05:21:34PM -0400, Jung-uk Kim wrote:
> However, why do we need cheaper DELAY() when we trying to "delay" 
> something with it?
Busy-loop performing repeated access to the south bridge eats the
bus capacity, that could be useful for other bus agent and other cores.
I think this is the case with HPET, while TSC is core-local.
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