Messages in this thread | | | Date | Tue, 14 Apr 2020 01:11:07 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH v2 1/3] iommu/uapi: Define uapi version and capabilities |
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On Mon, Apr 13, 2020 at 01:41:57PM -0700, Jacob Pan wrote: > Hi All, > > Just a gentle reminder, any feedback on the options I listed below? New > ideas will be even better. > > Christoph, does the explanation make sense to you? We do have the > capability/flag based scheme for IOMMU API extension, the version is > mainly used for size lookup. Compatibility checking is another use of > the version, it makes checking easy when a vIOMMU is launched.
No. If you truely need different versions use different ioctl identifiers. If it really is just the size pass the size and not a version.
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