On 15.02.22 22:13, Julien Grall wrote:
Hi Juergen,On 03/02/2022 13:14, Juergen Gross wrote:Add a comment to include/public/grant_table.h that GNTTABOP_transfer is deprecated, in order to discourage new use cases.From the commit message, it is unclear to me why we are discouraging new use cases and indirectly encouraging current users to move away from the feature.Patch #1 seems to imply this is because the feature is not present in Linux upstream. But I don't think this is a sufficient reason to deprecate a feature.A more compelling reason would be that the feature is broken and too complex to fix it.So can you provide more details?
It is a feature available for PV domains only, and it is very complex and hasn't been tested for ages.
As a side note, should we also update SUPPORT.md?
Good question. Juergen
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