Re: [PATCH v6 4/6] iommufd/selftest: Add mock_domain_cache_invalidate_user support

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On 2023/12/7 02:16, Jason Gunthorpe wrote:
On Fri, Nov 17, 2023 at 05:07:15AM -0800, Yi Liu wrote:
+static int
+mock_domain_cache_invalidate_user(struct iommu_domain *domain,
+				  struct iommu_user_data_array *array,
+				  u32 *error_code)
+{
+	struct mock_iommu_domain_nested *mock_nested =
+		container_of(domain, struct mock_iommu_domain_nested, domain);
+	struct iommu_hwpt_invalidate_selftest inv;
+	int rc = 0;
+	int i, j;
+
+	if (domain->type != IOMMU_DOMAIN_NESTED)
+		return -EINVAL;

The core code already checked this, and it is only present on
domain_nested_ops so it is checked twice already..

would drop it. thanks.

--
Regards,
Yi Liu




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