On Wed, Sep 08, 2021 at 03:16:09PM +0900, Shunsuke Mie wrote: > To share memory space using dma-buf, a API of the dma-buf requires dma > device, but devices such as rxe do not have a dma device. For those case, > change to specify a device of struct ib instead of the dma device. So if dma-buf doesn't actually need a device to dma map why do we ever pass the dma_device here? Something does not add up.
