diff options
| author | Zhenzhong Duan <zhenzhong.duan@intel.com> | 2026-04-02 14:57:24 +0800 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2026-04-02 09:26:04 +0200 |
| commit | cc5bd898ff70710ffc41cd8e5c2741cb64750047 (patch) | |
| tree | a974b93acbfc218c7c49766eb459423edd092897 /tools/perf/scripts/python | |
| parent | f338e77383789c0cae23ca3d48adcc5e9e137e3c (diff) | |
iommu/vt-d: Block PASID attachment to nested domain with dirty tracking
Kernel lacks dirty tracking support on nested domain attached to PASID,
fails the attachment early if nesting parent domain is dirty tracking
configured, otherwise dirty pages would be lost.
Cc: stable@vger.kernel.org
Fixes: 67f6f56b5912 ("iommu/vt-d: Add set_dev_pasid callback for nested domain")
Suggested-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20260330101108.12594-2-zhenzhong.duan@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Fixes: 67f6f56b5912 ("iommu/vt-d: Add set_dev_pasid callback for nested domain")
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions