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vfio/spapr: Relax the IOMMU compatibility check
We are going to have multiple different types of PHB on the same system with POWER8 + NVLink and PHBs will have different IOMMU ops. However we only really care about one callback - create_table - so we can relax the compatibility check here. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Acked-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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@ -1188,7 +1188,8 @@ static int tce_iommu_attach_group(void *iommu_data,
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goto unlock_exit;
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}
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table_group_tmp = iommu_group_get_iommudata(tcegrp->grp);
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if (table_group_tmp->ops != table_group->ops) {
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if (table_group_tmp->ops->create_table !=
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table_group->ops->create_table) {
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pr_warn("tce_vfio: Group %d is incompatible with group %d\n",
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iommu_group_id(iommu_group),
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iommu_group_id(tcegrp->grp));
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