Messages in this thread Patch in this message | | | From | Alexey Kardashevskiy <> | Subject | [PATCH kernel v4 02/11] vfio/spapr: Relax the IOMMU compatibility check | Date | Fri, 29 Apr 2016 18:55:15 +1000 |
| |
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> --- drivers/vfio/vfio_iommu_spapr_tce.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c index 0582b72..3054e3f 100644 --- a/drivers/vfio/vfio_iommu_spapr_tce.c +++ b/drivers/vfio/vfio_iommu_spapr_tce.c @@ -1188,7 +1188,8 @@ static int tce_iommu_attach_group(void *iommu_data, goto unlock_exit; } table_group_tmp = iommu_group_get_iommudata(tcegrp->grp); - if (table_group_tmp->ops != table_group->ops) { + if (table_group_tmp->ops->create_table != + table_group->ops->create_table) { pr_warn("tce_vfio: Group %d is incompatible with group %d\n", iommu_group_id(iommu_group), iommu_group_id(tcegrp->grp)); -- 2.5.0.rc3
| |