RE: [PATCH 0/3] iommupt/vtd: Support dirty tracking on PASID

Duan, Zhenzhong
2026-03-23T01:51:17Z

Hi,

Kindly ping, any comments?

Thanks
Zhenzhong

On Wed, Feb 04, 2026 at 09:34:01PM -0500, Zhenzhong Duan wrote:
> Hi,
>
> When we add pasid support in QEMU for passthrough device, we found
> PASID attachment to a nested parent domain with dirty tracking failed.
>
> It's because PASID-level dirty tracking is not there yet, by adding it,
> we can enable PASID attachment to such domain.
>
> Thanks
> Zhenzhong
>
>
> Zhenzhong Duan (3):
> iommupt/vtd: Pass dmar_domain pointer to device_set_dirty_tracking()
> iommupt/vtd: Support dirty tracking on PASID
> iommufd/selftest: Test dirty tracking on PASID