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Re: [Xen-devel] Re: [pvops xen/next ][iommu] attenpt to passthrough PCI-

from [Jan Beulich] [Permanent Link][Original]
To: <pasik@xxxxxx>,"Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx>
Subject: Re: [Xen-devel] Re: [pvops xen/next ][iommu] attenpt to passthrough PCI-e usb controllor to PV domU SUCCESS :-)
From: "Jan Beulich" <JBeulich@xxxxxxxxxx>
Date: Tue, 23 Mar 2010 10:16:37 +0000
Cc: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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>>> Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> 22.03.10 22:12 >>>
>On Mon, Mar 22, 2010 at 11:26:52PM +0200, Pasi Kärkkäinen wrote:
>> On Mon, Mar 22, 2010 at 10:23:00PM +0100, Sander Eikelenboom wrote:
>> > Hello Pasi,
>> > 
>> > Ok added a few lines about it to that page.
>> > 
>> 
>> Ok. Are those options only needed for pvops domU kernel,
>> or also for linux-2.6.18-xen guests? 
>
>The 'swiotlb=force iommu=soft' are only needed when you do PCI
>passthrough to PV guests and for all kernels (SLES10, RHEL5,
>SLES11) and so on.

I don't think that's true for SLE10/SLE11.

Jan

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