Re: [PATCH RFC] x86, tsc: Allow for high latency in quick_pit_calibrate()

[Adrian Hunter]

On 03/06/15 19:23, Thomas Gleixner wrote:
> On Wed, 3 Jun 2015, Adrian Hunter wrote:
> 
>> On 03/06/15 06:30, Andi Kleen wrote:
>>>> Then the changelog should say that I think.  The current text says
>>>> "Fast TSC calibration will always fail", which, to me, suggests that
>>>> either the slow calibration will work or that the changelog message
>>>> should be changed.
>>>
>>> Ok. No, the slow calibration works I believe.
>>
>> Yeah, so the (only?) downside is the 50ms wasted on Fast TSC
>> calibration.  What about this?
> 
> I'm certainly happy to apply this one. 

George Spelvin began investigating improving quick_pit_calibrate() but Ingo
anyway suggested this patch as the first, so can this be applied?

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