On 2024/2/8 16:23, Yi Liu wrote:
--- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -4730,23 +4730,35 @@ static void *intel_iommu_hw_info(struct device *dev, u32 *length, u32 *type) return vtd; }+static int+device_set_dirty_tracking(struct list_head *devices, bool enable) +{ + struct device_domain_info *info; + int ret = 0; + + list_for_each_entry(info, devices, link) { + ret = intel_pasid_setup_dirty_tracking(info->iommu, info->dev, + IOMMU_NO_PASID, enable); + if (ret) + break; + } + + return ret; +}
Let's make this helper specific. Something like below. /* * Set dirty tracking for the device list of a domain. The caller must * hold the domain->lock when calling it. */ static int device_list_set_dirty_tracking(...) Best regards, baolu
