svn commit: r260474 - stable/9/sys/x86/cpufreq

[Alexey Dokuchaev]

On Thu, Jan 09, 2014 at 10:45:38AM +0000, Alexander Motin wrote:
> New Revision: 260474
> URL: http://svnweb.freebsd.org/changeset/base/260474
> 
> Log:
>   MFC r259197:
>   Do not DELAY() for P-state transition unless we want to see the result.
>   
>   Intel manual says: "If a transition is already in progress, transition to
>   a new value will subsequently take effect. Reads of IA32_PERF_CTL determine
>   the last targeted operating point."  So seems it should be fine to just
>   trigger wanted transition and go.  Linux does the same.
> 
> Modified:
>   stable/9/sys/x86/cpufreq/est.c

It looks like stable/8 can also benefit from this commit.  Mind making one?

./danfe