svn commit: r222866 - head/sys/x86/x86

[John Baldwin]

On Monday, June 20, 2011 7:41:00 pm Jung-uk Kim wrote:
> My questions to you:
> 
> a) Why do we care TSC timecounter when it is not invariant where we 
> *know* it is unusable and set to negative quality?

What if the user knows they will not enable CPU throttling so for them the TSC 
is safe?  In that case, TSC is a more efficient timecounter and if the user
constrains the system to make the TSC safe we should let them use it.

-- 
John Baldwin