Re: [Xen-users] iommu=pass-through broken?

[Gordan Bobic <gordan@xxxxxxxxxx>]

On Wed, 11 Sep 2013 10:11:34 +0200, Atom2 <ariel.atom2@xxxxxxxxxx> 
wrote:
> Am 11.09.13 01:36, schrieb Gordan Bobic:
> > I'm trying to use dom0 DMA pass-through (i.e. without IOMMU
> > translation), and I can't seen to get it to work. According to this:
> >
> > http://wiki.xen.org/wiki/VTd_HowTo
> >
> > the required incantation is iommu=pass-through
> I think I remember that, for consistency's sake with other
> parameters, the option's name was changed to "dom0-passthrough" at
> some time.
>
> It might make sense to do a grep on your (uncompressed) xen-kernel
> and see whether you can find the string "pass-through" in your 
> binary.
> For my kernel (xen-version is 4.2.2) I couldn't find any occurenec of
> "pass-through" but rather only "dom0-passthrough" which seems to
> confirm my suscpicion.
Thanks for that. Grep confirms your findings. I'll try that.

Gordan

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