Messages in this thread | | | Date | Wed, 19 Apr 2017 14:48:08 -0600 | From | Jason Gunthorpe <> | Subject | Re: [RFC 0/8] Copy Offload with Peer-to-Peer PCI Memory |
| |
On Wed, Apr 19, 2017 at 01:41:49PM -0600, Logan Gunthorpe wrote:
> > But.. it could point to a GPU and the GPU struct device could have a > > proxy dma_ops like Dan pointed out. > > Seems a bit awkward to me that in order for the intended use case, you > have to proxy the dma_ops. I'd probably still suggest throwing a couple > ops for things like this in the dev_pagemap.
Another option is adding a new 'struct completer_dma_ops *' to struct device for this use case.
Seems like a waste to expand dev_pagemap when we only need a unique value per struct device?
Jason
| |