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Re: [Xen-devel] [RFC] Correct/fast timestamping in apps under Xen [1 of
| To: | Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, "Xen-Devel (E-mail)" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [RFC] Correct/fast timestamping in apps under Xen [1 of 4]: Reliable TSC |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Thu, 08 Oct 2009 07:45:05 +0100 |
| Cc: | "kurt.hackel@xxxxxxxxxx" <kurt.hackel@xxxxxxxxxx>, Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
| Delivery-date: | Wed, 07 Oct 2009 23:45:32 -0700 |
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| Thread-topic: | [Xen-devel] [RFC] Correct/fast timestamping in apps under Xen [1 of 4]: Reliable TSC |
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On 07/10/2009 22:07, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote: > So, I'd recommend that: > > 1) On (Intel, maybe later AMD) systems where this > bit is set, the mechanisms enabled by the > Xen consistent_tscs boot option should be enabled > automatically for Xen. > 2) The time_calibration_tsc_rendezvous loop in > timer.c could/should be rewritten or removed > and certainly should NOT write_tsc(). > > Keir, I know you are very sensitive around > this code, so thought I'd check before messing > with it. Or feel free to do it yourself. Feel free to make a patch. K. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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