Messages in this thread | | | From | Shunsuke Mie <> | Date | Fri, 10 Dec 2021 20:29:24 +0900 | Subject | Re: [RFC PATCH v4 0/2] RDMA/rxe: Add dma-buf support |
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Hi Jason, Thank you for replying.
2021年12月8日(水) 2:14 Jason Gunthorpe <jgg@ziepe.ca>: > > On Fri, Dec 03, 2021 at 12:51:44PM +0900, Shunsuke Mie wrote: > > Hi maintainers, > > > > Could you please review this patch series? > > Why is it RFC? > > I'm confused why this is useful? > > This can't do copy from MMIO memory, so it shouldn't be compatible > with things like Gaudi - does something prevent this? I think if an export of the dma-buf supports vmap, CPU is able to access the mmio memory.
Is it wrong? If this is wrong, there is no advantages this changes.. > > Jason
Regards, Shunsuke
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