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[Xen-devel] [PATCH] NMI watchdog: don't try to run too slow.
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] [PATCH] NMI watchdog: don't try to run too slow. |
| From: | Tim Deegan <Tim.Deegan@xxxxxxxxxx> |
| Date: | Fri, 17 Oct 2008 15:24:58 +0100 |
| Delivery-date: | Fri, 17 Oct 2008 07:25:27 -0700 |
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| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| User-agent: | Mutt/1.5.17 (2007-11-01) |
The way MSR writes of performance counters works means that Intel CPUs running faster than about 2.1GHz can't set the NMI timer to 1Hz. Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
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