linux-kernel - [PATCH 0/3] iommupt/vtd: Support dirty tracking on PASID

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Message-ID: <20260205023405.41583-1-zhenzhong.duan@intel.com>
Date: Wed,  4 Feb 2026 21:34:01 -0500
From: Zhenzhong Duan <zhenzhong.duan@...el.com>
To: linux-kernel@...r.kernel.org,
	iommu@...ts.linux.dev
Cc: dwmw2@...radead.org,
	baolu.lu@...ux.intel.com,
	joro@...tes.org,
	will@...nel.org,
	robin.murphy@....com,
	jgg@...pe.ca,
	kevin.tian@...el.com,
	Zhenzhong Duan <zhenzhong.duan@...el.com>
Subject: [PATCH 0/3] iommupt/vtd: Support dirty tracking on PASID

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

 drivers/iommu/intel/iommu.c             | 33 ++++++++++++++-----------
 tools/testing/selftests/iommu/iommufd.c | 27 ++++++++++++++++++++
 2 files changed, 45 insertions(+), 15 deletions(-)

-- 
2.47.3