Hi, On 02/09/2025 11:18, Orzel, Michal wrote:
On 02/09/2025 11:49, Oleksandr Tyshchenko wrote:The said sub-op is not supported on Arm, since it: - does not support the buffered emulation (so bufioreq_port/bufioreq_gfn cannot be returned), please refer to ioreq_server_create() - does not support "legacy" mechanism of mapping IOREQ Server magic pages (so ioreq_gfn/bufioreq_gfn cannot be returned), please refer to arch_ioreq_server_map_pages(). On Arm, only the Acquire Resource infrastructure is used to query and map the IOREQ Server pages. Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshche...@epam.com>Reviewed-by: Michal Orzel <michal.or...@amd.com> Could we perhaps add a Fixes tag here pointing to the commit introducing these DM ops and thus add this patch for this release? Not sure what others think.
Fixes usually implies a bug and I don't see what bug we are solving. In fact, I don't understand why we are trying to remove the subop...
Cheers, -- Julien Grall
