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Re: [Xen-devel] [PATCH 0/4 v2] x86/hvm: RTC periodic timer adjustments

On 3/28/2013 11:18 AM, Jan Beulich wrote:
On 28.03.13 at 17:09, Tim Deegan <tim@xxxxxxx> wrote:
With these four patches, the time drift that was happening on Windows XP
guests goes away, at least in my testing.  3/4 is probably the most
important (with the other three, I still see slow drift), but the others
all seem like a good idea to me.

Changes since v1:
  - moved the irq logic patch to the end of the queue so the others
    can be applied independently
  - in the irq logic, keep the strobing behaviour as before
  - store period_code instead of period and pt_active
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

Of course it would be nice if Suravee could test this in his setup,
so we'd have another data point on the positive effects this has.

I have tested this and it seems to stop drifting on my same test box that observed the issue before.


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