On Wed, Jan 24, 2018 at 11:02:16PM -0800, Dan Williams wrote: > No, in 3 dimensions since there is a need to support non-ODP RDMA > hardware, hypervisors want to coordinate DMA for guests, and non-RDMA > hardware also pins memory indefinitely like V4L2. So it's bigger than > RDMA, but that will likely be the first consumer of this 'longterm > pin' mechanism. BTW, did you look at VFIO? I think it should also have this problem right? Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html