Re: [PATCH v6 04/18] iommu: Implement IOMMU domain preservation

From: Baolu Lu

Date: Fri Oct 30 2026 - 00:25:29 EST


On 10/25/2026 10:19 AM, Samiullah Khawaja wrote:
Add IOMMU domain ops that can be implemented by the IOMMU drivers if
they support IOMMU domain preservation across liveupdate. The new IOMMU
domain preserve, unpreserve and restore APIs call these ops to perform
respective live update operations.

Reviewed-by: Pranjal Shrivastava<praan@xxxxxxxxxx>
Signed-off-by: Samiullah Khawaja<skhawaja@xxxxxxxxxx>
---
drivers/iommu/liveupdate.c | 119 +++++++++++++++++++++++++++++++
include/linux/iommu-liveupdate.h | 11 +++
include/linux/iommu.h | 5 ++
3 files changed, 135 insertions(+)

This patch looks good to me,

Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>