CONTROL_GAINT_EN  424 drivers/iommu/amd_iommu_init.c 	iommu_feature_disable(iommu, CONTROL_GAINT_EN);
CONTROL_GAINT_EN  755 drivers/iommu/amd_iommu_init.c 	iommu_feature_enable(iommu, CONTROL_GAINT_EN);