On 01/11/13 14:49, 成会明 wrote:> hi,
>
>
> If Xen dump "(XEN) Interrupt remapping disalbed", can I stll pass
> through video adapter to domain U ?
>
> 1. I think interrupt remapping is must for passthrough pci
> device which can generate interrupt. right?
>
>
Interrupt remapping is not required for PCIPassthrough to function.
Simple DMA remapping is sufficient.
Interrupt remapping is required for security reasons. If you are also
the administrator of your domU and trust your domU graphics driver not
to maliciously attack Xen, then it is ok to not use interrupt remapping.
~Andrew
>
> thanks
> huiming
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
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<div class="moz-cite-prefix">On 01/11/13 14:49, 成会明
wrote:<br>
</div>
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<div><font size="2">hi, </font></div>
<div> </div>
<div> </div>
<div><font size="2">If Xen dump "(XEN)
Interrupt remapping
disalbed", can I stll pass through video adapter to domain U
?</font></div>
<div> </div>
<div><font size="2">1. I think interrupt remapping
is must for
passthrough pci device which can generate interrupt.
right?</font></div>
<div> </div>
<div> </div>
</blockquote>
<br>
Interrupt remapping is not required for PCIPassthrough to function.
Simple DMA remapping is sufficient.<br>
<br>
Interrupt remapping is required for security reasons. If you are
also the administrator of your domU and trust your domU graphics
driver not to maliciously attack Xen, then it is ok to not use
interrupt remapping.<br>
<br>
~Andrew<br>
<br>
<blockquote
cite="mid:BLU0-SMTP173C77692B047C01A52514D8FF50@phx.gbl"
type="cite">
<div> </div>
<div><font size="2">thanks</font></div>
<div><font size="2">huiming</font></div>
<br>
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