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

[Alexander Motin]

On 13.01.2014 16:23, Alexey Dokuchaev wrote:
> 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?

Done.

-- 
Alexander Motin