Messages in this thread | | | Date | Thu, 9 Feb 2023 14:36:49 -0400 | From | Jason Gunthorpe <> | Subject | Re: [PATCH 06/17] iommufd/hw_pagetable: Use domain_alloc_user op for domain allocation |
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On Thu, Feb 09, 2023 at 12:59:58PM -0500, Matthew Rosato wrote: > really should highlight that). Otherwise, conditionally calling > iommu_domain_alloc(dev->bus) when !ops->domain_alloc_user (instead > of returning -EOPNOTSUPP) seems to restore the prior functionality > for me.
Yes, that is right if the input user data is 0 length or full of 0s then we should call the normal driver function
Jason
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