Messages in this thread | | | Date | Tue, 29 Jul 2014 17:44:17 +0200 | From | Joerg Roedel <> | Subject | Re: [RESEND PATCH v2] iommu/intel: Exclude devices using RMRRs from IOMMU API domains |
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On Thu, Jul 03, 2014 at 09:57:02AM -0600, Alex Williamson wrote: > The user of the IOMMU API domain expects to have full control of > the IOVA space for the domain. RMRRs are fundamentally incompatible > with that idea. We can neither map the RMRR into the IOMMU API > domain, nor can we guarantee that the device won't continue DMA with > the area described by the RMRR as part of the new domain. Therefore > we must prevent such devices from being used by the IOMMU API. > > Signed-off-by: Alex Williamson <alex.williamson@redhat.com> > Cc: David Woodhouse <dwmw2@infradead.org> > Cc: stable@vger.kernel.org
Applied, thanks Alex.
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