| Message ID | 20240208091414.28133-1-yi.l.liu@intel.com |
|---|---|
| State | Accepted |
| Commit | 1f0198fce68340e0da2d438f4ea9fc20d2c958da |
| Headers | show |
| Series | iommu/vt-d: Set SSADE when attaching to a parent with dirty tracking | expand |
diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c index 3239cefa4c33..9be24bb762cf 100644 --- a/drivers/iommu/intel/pasid.c +++ b/drivers/iommu/intel/pasid.c @@ -658,6 +658,8 @@ int intel_pasid_setup_nested(struct intel_iommu *iommu, struct device *dev, pasid_set_domain_id(pte, did); pasid_set_address_width(pte, s2_domain->agaw); pasid_set_page_snoop(pte, !!ecap_smpwc(iommu->ecap)); + if (s2_domain->dirty_tracking) + pasid_set_ssade(pte); pasid_set_translation_type(pte, PASID_ENTRY_PGTT_NESTED); pasid_set_present(pte); spin_unlock(&iommu->lock);
Should set the SSADE (Second Stage Access/Dirty bit Enable) bit of the pasid entry when attaching a device to a nested domain if its parent has already enabled dirty tracking. Fixes: 111bf85c68f6 ("iommu/vt-d: Add helper to setup pasid nested translation") Signed-off-by: Yi Liu <yi.l.liu@intel.com> --- base commit: 547ab8fc4cb04a1a6b34377dd8fad34cd2c8a8e3 --- drivers/iommu/intel/pasid.c | 2 ++ 1 file changed, 2 insertions(+)