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Re: [Xen-devel] swiotlb=force in Konrad's xen-pcifront-0.8.2 pvops domU

from [Keir Fraser] [Permanent Link][Original]
To: Dante Cinco <dantecinco@xxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] swiotlb=force in Konrad's xen-pcifront-0.8.2 pvops domU kernel with PCI passthrough
From: Keir Fraser <keir@xxxxxxx>
Date: Fri, 19 Nov 2010 17:58:14 +0000
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "mathieu.desnoyers@xxxxxxxxxx" <mathieu.desnoyers@xxxxxxxxxx>, "chris.mason@xxxxxxxxxx" <chris.mason@xxxxxxxxxx>, "andrew.thomas@xxxxxxxxxx" <andrew.thomas@xxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
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Thread-topic: [Xen-devel] swiotlb=force in Konrad's xen-pcifront-0.8.2 pvops domU kernel with PCI passthrough
User-agent: Microsoft-Entourage/12.27.0.100910 
On 19/11/2010 17:52, "Dante Cinco" <dantecinco@xxxxxxxxx> wrote:

> How do I check if rdtsc emulation is on? Does 'xm debug-keys s' do it?
> 
> (XEN) *** Serial input -> Xen (type 'CTRL-a' three times to switch
> input to DOM0)
> (XEN) TSC marked as reliable, warp = 0 (count=2)
> (XEN) dom1: mode=0,ofs=0xca6f68770,khz=2666017,inc=1
> (XEN) No domains have emulated TSC

TSC emulation is not enabled.

 -- Keir



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