Re: [PATCH 3/3] iommu: Add a wrapper for remove_dev_pasid

On 9/12/24 9:06 PM, Yi Liu wrote:

The iommu drivers are on the way to drop the remove_dev_pasid op by extending the blocked_domain to support PASID. However, this cannot be done in one shot. So far, the Intel iommu and the ARM SMMUv3 driver have supported it, while the AMD iommu driver has not yet. During this transition, the IOMMU core needs to support both ways to destroy the attachment of device/PASID and domain.

Signed-off-by: Yi Liuyi.l.liu@intel.com

drivers/iommu/iommu.c | 30 ++++++++++++++++++++++++------ 1 file changed, 24 insertions(+), 6 deletions(-)

This patch should be moved before the change in drivers. After all drivers convert to use set blocking domain to pasid, the remove_dev_pasid could be removed as the last step.

Thanks, baolu