Re: [PATCH RFC] x86, tsc: Allow for high latency in quick_pit_calibrate()
From: Thomas Gleixner
Date: Mon Jun 22 2015 - 09:15:20 EST
On Mon, 22 Jun 2015, Adrian Hunter wrote:
> 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?
Oh, yes. I simply forgot to pick it up. Thanks for the reminder.
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