[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] amd/iommu: remove hidden AMD inclusive mappings
> From: Roger Pau Monne [mailto:roger.pau@xxxxxxxxxx] > Sent: Friday, September 21, 2018 11:21 PM > > And just rely on arch_iommu_hwdom_init to setup the correct inclusive > mappings as it's done for Intel. > > AMD has code in amd_iommu_hwdom_init to setup inclusive mappings up > to > max_pdx, remove this since it's now a duplication of > arch_iommu_hwdom_init. Note that AMD mapped every page with a valid > mfn up to max_pdx, arch_iommu_hwdom_init will only do so for memory > below 4GB, so this is a functional change for AMD. > > Move the default setting of iommu_hwdom_{inclusive/reserved} to > arch_iommu_hwdom_init since the defaults are now the same for both > Intel and AMD. > > Reported-by: Paul Durrant <paul.durrant@xxxxxxxxxx> > Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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